Crystals and crystal structures:
Saved in:
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Chichester
Wiley
2006
|
| Subjects: | |
| Online Access: | Table of contents Inhaltsverzeichnis |
| Item Description: | Includes bibliographical references and index |
| Physical Description: | XIII, 255 S. Ill., graph. Darst. |
| ISBN: | 0470018208 0470018216 |
Staff View
MARC
| LEADER | 00000nam a2200000zc 4500 | ||
|---|---|---|---|
| 001 | BV021675640 | ||
| 003 | DE-604 | ||
| 005 | 20150814 | ||
| 007 | t | ||
| 008 | 060728s2006 xxuad|| |||| 00||| eng d | ||
| 010 | |a 2006016562 | ||
| 020 | |a 0470018208 |c cloth |9 0-470-01820-8 | ||
| 020 | |a 0470018216 |9 0-470-01821-6 | ||
| 020 | |z 9780470018200 |9 978-0-470-01820-0 | ||
| 020 | |z 9780470018217 |9 978-0-470-01821-7 | ||
| 035 | |a (OCoLC)69028292 | ||
| 035 | |a (DE-599)BVBBV021675640 | ||
| 040 | |a DE-604 |b ger |e aacr | ||
| 041 | 0 | |a eng | |
| 044 | |a xxu |c US | ||
| 049 | |a DE-1046 |a DE-29T |a DE-703 |a DE-19 |a DE-634 |a DE-355 |a DE-11 | ||
| 050 | 0 | |a QD905.2 | |
| 082 | 0 | |a 548 | |
| 084 | |a UQ 1000 |0 (DE-625)146467: |2 rvk | ||
| 084 | |a VE 9350 |0 (DE-625)147153:253 |2 rvk | ||
| 084 | |a VE 9351 |0 (DE-625)147153:254 |2 rvk | ||
| 100 | 1 | |a Tilley, R. J. D. |d 1941- |e Verfasser |0 (DE-588)133206386 |4 aut | |
| 245 | 1 | 0 | |a Crystals and crystal structures |c Richard J. D. Tilley |
| 264 | 1 | |a Chichester |b Wiley |c 2006 | |
| 300 | |a XIII, 255 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Includes bibliographical references and index | ||
| 650 | 4 | |a Crystallography | |
| 650 | 4 | |a Crystals | |
| 650 | 0 | 7 | |a Kristallographie |0 (DE-588)4033217-2 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Kristall |0 (DE-588)4033209-3 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Kristallographie |0 (DE-588)4033217-2 |D s |
| 689 | 0 | |5 DE-604 | |
| 689 | 1 | 0 | |a Kristall |0 (DE-588)4033209-3 |D s |
| 689 | 1 | |5 DE-604 | |
| 856 | 4 | |u http://www.loc.gov/catdir/toc/ecip0614/2006016562.html |3 Table of contents | |
| 856 | 4 | 2 | |m Digitalisierung UB Regensburg |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014889932&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-014889932 | ||
Record in the Search Index
| _version_ | 1804135493983535104 |
|---|---|
| adam_text | Contents
Preface
xi
1
Crystals and crystal structures
1
1.1
Crystal families and crystal systems
1
1.2
Morphology and crystal classes
3
1.3
The determination of crystal structures
5
1.4
The description of crystal structures
5
1.5
The cubic close-packed
(Al)
stracture of copper
7
1.6
The body-centred cubic (A2) stracture of tungsten
8
1.7
The hexagonal
(A3)
stracture of magnesium
8
1.8
The halite stracture
9
1.9
The
rutile
stracture
9
1.10
The
fluorite
stracture
10
1.11
The stracture of urea
11
1.12
The density of a crystal
12
Answers to introductory questions
13
Problems and exercises
14
2
Lattices, planes and directions
17
2.1
Two-dimensional lattices
17
2.2
Unit cells
20
2.3
The reciprocal lattice in two dimensions
20
2.4
Three-dimensional lattices
23
2.5
Alternative unit cells
25
2.6
The reciprocal lattice in three dimensions
26
2.7
Lattice planes and Miller indices
29
2.8
Hexagonal lattices and Miller-Bravais indices
31
2.9
Miller indices and planes in crystals
32
2.10
Directions
33
2.11
Lattice geometry
35
Answers to introductory questions
36
Problems and exercises
38
viii CONTENTS
3
Two-dimensional patterns and tiling
43
3.1
The symmetry of an isolated shape: point symmetry
43
3.2
Rotation symmetry of a plane lattice
45
3.3
The symmetry of the plane lattices
46
3.4
The ten plane crystallographic point symmetry groups
48
3.5
The symmetry of patterns: the
17
plane groups
50
3.6
Two-dimensional crystal structures
55
3.7
General and special positions
57
3.8
Tesselations
59
Answers to introductory questions
61
Problems and exercises
62
4
Symmetry in three dimensions
67
4.1
The symmetry of an object: point symmetry
67
4.2
Axes of inversion: rotoinversion
69
4.3
Axes of inversion: rotoreflection
72
4.4
The Hermann-Mauguin symbols for point groups
73
4.5
The symmetry of the
Bravais
lattices
74
4.6
The crystallographic point groups
76
4.7
Point groups and physical properties
79
4.8
Dielectric properties
80
4.9
Refractive index
83
4.10
Optical activity
84
4.11
ChiraJ molecules
85
4.12
Second harmonic generation
86
4.13
Magnetic point groups and colour symmetry
87
Answers to introductory questions
88
Problems and exercises
89
5
Building crystal structures from lattices and space groups
93
5.1
Symmetry of three-dimensional patterns: space groups
93
5.2
The crystallographic space groups
94
5.3
Space group symmetry symbols
96
5.4
The graphical representation of the space groups
98
5.5
Building a structure from a space group
101
5.6
The structure of diopside, CaMgSi2O6
103
5.7
The structure of
alanine, C3H7NO2 105
Answers to introductory questions
109
Problems and exercises
109
6
Diffraction and crystal structures
113
6.1
The position of diffracted beams: Bragg s Law
114
6.2
The geometry of the diffraction pattern
115
CONTENTS ix
6.3
Partiele
size
119
6.4
The intensities of diffracted beams
121
6.5
The atomic scattering factor
122
6.6
The structure factor
123
6.7
Structure factors and intensities
125
6.8
Numerical evaluation of structure factors
126
6.9
Symmetry and reflection intensities
128
6.10
The temperature factor
130
6.11
Powder X-ray diffraction
132
6.12
Electron microscopy and structure images
135
6.13
Structure determination using X-ray diffraction
140
6.14
Neutron diffraction
142
6.15
Protein crystallography
142
6.16
Solving the phase problem
144
6.17
Photonic crystals
149
Answers to introductory questions
151
Problems and exercises
152
7
The depiction of crystal structures
155
7.1
The size of atoms
155
7.2
Sphere packing
156
7.3
Metallic radii
159
7.4
Ionic radii
160
7.5
Covalent radii
162
7.6
Van
der Waals
radii
163
7.7
Ionic structures and structure building rales
163
7.8
The bond valence model
164
7.9
Structures in terms of non-metal
(anion)
packing
166
7.10
Structures in terms of metal (cation) packing
168
7.11
Cation-centred polyhedral representations of crystals
169
7.12
Anion-centred polyhedral representations of crystals
171
7.13
Structures as nets
174
7.14
The depiction of organic structures
175
7.15
The representation of protein structures
177
Answers to introductory questions
181
Problems and exercises
182
8
Defects, modulated structures and quasicrystals
187
8.1
Defects and occupancy factors
187
8.2
Defects and unit cell parameters
189
8.3
Defects and density
190
8.4
Modular structures
191
x
CONTENTS
8.5
Polytypes
194
8.6
Crystallographic shear phases
196
8.7
Planar intergrowths and polysomes
200
8.8
Incommensurately modulated structures
202
8.9
Quasicrystals
208
Answers to introductory questions
210
Problems and exercises
211
Appendices
215
Appendix
1
Vector addition and subtraction
215
Appendix
2
Data for some inorganic crystal structures
217
Appendix
3
Schoenflies symbols
221
Appendix
4
The
230
space groups
223
Appendix
5
Complex numbers
227
Appendix
6
Complex amplitudes
229
Answers to problems and exercises
231
Bibliography
239
Formula index
245
Subject index
249
|
| adam_txt |
Contents
Preface
xi
1
Crystals and crystal structures
1
1.1
Crystal families and crystal systems
1
1.2
Morphology and crystal classes
3
1.3
The determination of crystal structures
5
1.4
The description of crystal structures
5
1.5
The cubic close-packed
(Al)
stracture of copper
7
1.6
The body-centred cubic (A2) stracture of tungsten
8
1.7
The hexagonal
(A3)
stracture of magnesium
8
1.8
The halite stracture
9
1.9
The
rutile
stracture
9
1.10
The
fluorite
stracture
10
1.11
The stracture of urea
11
1.12
The density of a crystal
12
Answers to introductory questions
13
Problems and exercises
14
2
Lattices, planes and directions
17
2.1
Two-dimensional lattices
17
2.2
Unit cells
20
2.3
The reciprocal lattice in two dimensions
20
2.4
Three-dimensional lattices
23
2.5
Alternative unit cells
25
2.6
The reciprocal lattice in three dimensions
26
2.7
Lattice planes and Miller indices
29
2.8
Hexagonal lattices and Miller-Bravais indices
31
2.9
Miller indices and planes in crystals
32
2.10
Directions
33
2.11
Lattice geometry
35
Answers to introductory questions
36
Problems and exercises
38
viii CONTENTS
3
Two-dimensional patterns and tiling
43
3.1
The symmetry of an isolated shape: point symmetry
43
3.2
Rotation symmetry of a plane lattice
45
3.3
The symmetry of the plane lattices
46
3.4
The ten plane crystallographic point symmetry groups
48
3.5
The symmetry of patterns: the
17
plane groups
50
3.6
Two-dimensional 'crystal structures'
55
3.7
General and special positions
57
3.8
Tesselations
59
Answers to introductory questions
61
Problems and exercises
62
4
Symmetry in three dimensions
67
4.1
The symmetry of an object: point symmetry
67
4.2
Axes of inversion: rotoinversion
69
4.3
Axes of inversion: rotoreflection
72
4.4
The Hermann-Mauguin symbols for point groups
73
4.5
The symmetry of the
Bravais
lattices
74
4.6
The crystallographic point groups
76
4.7
Point groups and physical properties
79
4.8
Dielectric properties
80
4.9
Refractive index
83
4.10
Optical activity
84
4.11
ChiraJ molecules
85
4.12
Second harmonic generation
86
4.13
Magnetic point groups and colour symmetry
87
Answers to introductory questions
88
Problems and exercises
89
5
Building crystal structures from lattices and space groups
93
5.1
Symmetry of three-dimensional patterns: space groups
93
5.2
The crystallographic space groups
94
5.3
Space group symmetry symbols
96
5.4
The graphical representation of the space groups
98
5.5
Building a structure from a space group
101
5.6
The structure of diopside, CaMgSi2O6
103
5.7
The structure of
alanine, C3H7NO2 105
Answers to introductory questions
109
Problems and exercises
109
6
Diffraction and crystal structures
113
6.1
The position of diffracted beams: Bragg's Law
114
6.2
The geometry of the diffraction pattern
115
CONTENTS ix
6.3
Partiele
size
119
6.4
The intensities of diffracted beams
121
6.5
The atomic scattering factor
122
6.6
The structure factor
123
6.7
Structure factors and intensities
125
6.8
Numerical evaluation of structure factors
126
6.9
Symmetry and reflection intensities
128
6.10
The temperature factor
130
6.11
Powder X-ray diffraction
132
6.12
Electron microscopy and structure images
135
6.13
Structure determination using X-ray diffraction
140
6.14
Neutron diffraction
142
6.15
Protein crystallography
142
6.16
Solving the phase problem
144
6.17
Photonic crystals
149
Answers to introductory questions
151
Problems and exercises
152
7
The depiction of crystal structures
155
7.1
The size of atoms
155
7.2
Sphere packing
156
7.3
Metallic radii
159
7.4
Ionic radii
160
7.5
Covalent radii
162
7.6
Van
der Waals
radii
163
7.7
Ionic structures and structure building rales
163
7.8
The bond valence model
164
7.9
Structures in terms of non-metal
(anion)
packing
166
7.10
Structures in terms of metal (cation) packing
168
7.11
Cation-centred polyhedral representations of crystals
169
7.12
Anion-centred polyhedral representations of crystals
171
7.13
Structures as nets
174
7.14
The depiction of organic structures
175
7.15
The representation of protein structures
177
Answers to introductory questions
181
Problems and exercises
182
8
Defects, modulated structures and quasicrystals
187
8.1
Defects and occupancy factors
187
8.2
Defects and unit cell parameters
189
8.3
Defects and density
190
8.4
Modular structures
191
x
CONTENTS
8.5
Polytypes
194
8.6
Crystallographic shear phases
196
8.7
Planar intergrowths and polysomes
200
8.8
Incommensurately modulated structures
202
8.9
Quasicrystals
208
Answers to introductory questions
210
Problems and exercises
211
Appendices
215
Appendix
1
Vector addition and subtraction
215
Appendix
2
Data for some inorganic crystal structures
217
Appendix
3
Schoenflies symbols
221
Appendix
4
The
230
space groups
223
Appendix
5
Complex numbers
227
Appendix
6
Complex amplitudes
229
Answers to problems and exercises
231
Bibliography
239
Formula index
245
Subject index
249 |
| any_adam_object | 1 |
| any_adam_object_boolean | 1 |
| author | Tilley, R. J. D. 1941- |
| author_GND | (DE-588)133206386 |
| author_facet | Tilley, R. J. D. 1941- |
| author_role | aut |
| author_sort | Tilley, R. J. D. 1941- |
| author_variant | r j d t rjd rjdt |
| building | Verbundindex |
| bvnumber | BV021675640 |
| callnumber-first | Q - Science |
| callnumber-label | QD905 |
| callnumber-raw | QD905.2 |
| callnumber-search | QD905.2 |
| callnumber-sort | QD 3905.2 |
| callnumber-subject | QD - Chemistry |
| classification_rvk | UQ 1000 VE 9350 VE 9351 |
| ctrlnum | (OCoLC)69028292 (DE-599)BVBBV021675640 |
| dewey-full | 548 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 548 - Crystallography |
| dewey-raw | 548 |
| dewey-search | 548 |
| dewey-sort | 3548 |
| dewey-tens | 540 - Chemistry and allied sciences |
| discipline | Chemie / Pharmazie Physik |
| discipline_str_mv | Chemie / Pharmazie Physik |
| format | Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01906nam a2200505zc 4500</leader><controlfield tag="001">BV021675640</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20150814 </controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">060728s2006 xxuad|| |||| 00||| eng d</controlfield><datafield tag="010" ind1=" " ind2=" "><subfield code="a">2006016562</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">0470018208</subfield><subfield code="c">cloth</subfield><subfield code="9">0-470-01820-8</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">0470018216</subfield><subfield code="9">0-470-01821-6</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="z">9780470018200</subfield><subfield code="9">978-0-470-01820-0</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="z">9780470018217</subfield><subfield code="9">978-0-470-01821-7</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)69028292</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV021675640</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">aacr</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="a">xxu</subfield><subfield code="c">US</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-1046</subfield><subfield code="a">DE-29T</subfield><subfield code="a">DE-703</subfield><subfield code="a">DE-19</subfield><subfield code="a">DE-634</subfield><subfield code="a">DE-355</subfield><subfield code="a">DE-11</subfield></datafield><datafield tag="050" ind1=" " ind2="0"><subfield code="a">QD905.2</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">548</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">UQ 1000</subfield><subfield code="0">(DE-625)146467:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">VE 9350</subfield><subfield code="0">(DE-625)147153:253</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">VE 9351</subfield><subfield code="0">(DE-625)147153:254</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Tilley, R. J. D.</subfield><subfield code="d">1941-</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)133206386</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Crystals and crystal structures</subfield><subfield code="c">Richard J. D. Tilley</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Chichester</subfield><subfield code="b">Wiley</subfield><subfield code="c">2006</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">XIII, 255 S.</subfield><subfield code="b">Ill., graph. Darst.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Includes bibliographical references and index</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Crystallography</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Crystals</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Kristallographie</subfield><subfield code="0">(DE-588)4033217-2</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Kristall</subfield><subfield code="0">(DE-588)4033209-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Kristallographie</subfield><subfield code="0">(DE-588)4033217-2</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="689" ind1="1" ind2="0"><subfield code="a">Kristall</subfield><subfield code="0">(DE-588)4033209-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="856" ind1="4" ind2=" "><subfield code="u">http://www.loc.gov/catdir/toc/ecip0614/2006016562.html</subfield><subfield code="3">Table of contents</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">Digitalisierung UB Regensburg</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014889932&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-014889932</subfield></datafield></record></collection> |
| id | DE-604.BV021675640 |
| illustrated | Illustrated |
| index_date | 2024-07-02T15:09:58Z |
| indexdate | 2024-07-09T20:41:23Z |
| institution | BVB |
| isbn | 0470018208 0470018216 |
| language | English |
| lccn | 2006016562 |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-014889932 |
| oclc_num | 69028292 |
| open_access_boolean | |
| owner | DE-1046 DE-29T DE-703 DE-19 DE-BY-UBM DE-634 DE-355 DE-BY-UBR DE-11 |
| owner_facet | DE-1046 DE-29T DE-703 DE-19 DE-BY-UBM DE-634 DE-355 DE-BY-UBR DE-11 |
| physical | XIII, 255 S. Ill., graph. Darst. |
| publishDate | 2006 |
| publishDateSearch | 2006 |
| publishDateSort | 2006 |
| publisher | Wiley |
| record_format | marc |
| spelling | Tilley, R. J. D. 1941- Verfasser (DE-588)133206386 aut Crystals and crystal structures Richard J. D. Tilley Chichester Wiley 2006 XIII, 255 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Includes bibliographical references and index Crystallography Crystals Kristallographie (DE-588)4033217-2 gnd rswk-swf Kristall (DE-588)4033209-3 gnd rswk-swf Kristallographie (DE-588)4033217-2 s DE-604 Kristall (DE-588)4033209-3 s http://www.loc.gov/catdir/toc/ecip0614/2006016562.html Table of contents Digitalisierung UB Regensburg application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014889932&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Tilley, R. J. D. 1941- Crystals and crystal structures Crystallography Crystals Kristallographie (DE-588)4033217-2 gnd Kristall (DE-588)4033209-3 gnd |
| subject_GND | (DE-588)4033217-2 (DE-588)4033209-3 |
| title | Crystals and crystal structures |
| title_auth | Crystals and crystal structures |
| title_exact_search | Crystals and crystal structures |
| title_exact_search_txtP | Crystals and crystal structures |
| title_full | Crystals and crystal structures Richard J. D. Tilley |
| title_fullStr | Crystals and crystal structures Richard J. D. Tilley |
| title_full_unstemmed | Crystals and crystal structures Richard J. D. Tilley |
| title_short | Crystals and crystal structures |
| title_sort | crystals and crystal structures |
| topic | Crystallography Crystals Kristallographie (DE-588)4033217-2 gnd Kristall (DE-588)4033209-3 gnd |
| topic_facet | Crystallography Crystals Kristallographie Kristall |
| url | http://www.loc.gov/catdir/toc/ecip0614/2006016562.html http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014889932&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT tilleyrjd crystalsandcrystalstructures |