Acta Crystallographica Section B
Acta Crystallographica
Section BSTRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

Volume 25| Part 12

ISSN: 2052-5206

December 1969 issue

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research papers

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An X-ray study of α-oxalic acid dihydrate (COOH)₂.2H₂O and of its deuterium analogue, (COOD)₂.2D₂O: isotope effect in hydrogen bonding and anisotropic extinction effects

R. G. Delaplane and J. A. Ibers

CCDC references: 1226310; 1226332

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A neutron diffraction study of α-oxalic acid dihydrate

T. M. Sabine, G. W. Cox and B. M. Craven

CCDC reference: 1226306

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Neutron diffraction study of hydrogen bonding and thermal motion in deuterated α and β oxalic acid dihydrate

P. Coppens and T. M. Sabine

CCDC references: 1226326; 1226327

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An experimental determination of the asphericity of the atomic charge distribution in oxalic acid dihydrate

P. Coppens, T. M. Sabine, G. Delaplane and J. A. Ibers

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The dislocation arrangement in α-oxalic acid dihydrate

D. Michell, A. P. Smith and T. M. Sabine

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Die Kristallstruktur des Dimethylnitrosamin-kupfer(II)-chlorids, (CH₃)₂NNO.CuCl₂

CCDC reference: 1212615

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The structure of 5-norbornene-2,3-endo-dicarboxylic anhydride

R. Destro, G. Filippini, C. M. Gramaccioli and M. Simonetta

CCDC reference: 1217851

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Oxido steroids. III. X-ray structure analysis of 5α-bromo-6β,19-oxidopregnan-3β-ol-20-one

E. M. Gopalakrishna, A. Cooper and D. A. Norton

CCDC reference: 1113946

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The crystal and molecular structure of bis-π-cyclopentadienyl(2-aminoethanethiolato)molybdenum iodide

J. R. Knox and C. K. Prout

CCDC reference: 1131217

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Stereochemistry of thioxanthenes and related folded molecules. I. Crystal structure and conformation of cis-9-methylthioxanthene 10-oxide

J. Jackobs and M. Sundaralingam

CCDC reference: 1214869

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The crystal and molecular structure of dibenzyl disulphide. The refinement of a structure with high correlation coefficients

J. D. Lee and M. W. R. Bryant

CCDC reference: 1108780

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The crystal structure of the high temperature modification of U₃O₈

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Refinement of the crystal and molecular structure of cyclohexylammonium chloride (cyclohexylamine hydrochloride)

S. T. Rao and M. Sundaralingam

CCDC reference: 1134613

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Modifications and transitions of solid oxygen

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The neutron and X-ray crystal structure of (Na,Li)₇Th₆F₃₁ with more than one least-squares minimum

G. Brunton and D. R. Sears

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The crystal and molecular structure of vanadyldeoxophylloerythroetioporphyrin-1,2-dichloroethane solvate: an analogue of chlorophyll

R. C. Pettersen

CCDC reference: 1287116

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The crystal and molecular structure of the low-temperature stable modification of octa-trans-2,trans-6-diene-1,8-dioic acid

CCDC reference: 1225583

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The crystal and molecular structure of the high-temperature stable conformer of deca-trans-3,trans-7-diene-1,10-dioic acid

E. Martuscelli and A. Frasci

CCDC reference: 1145644

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The crystal structure of triacetylsphingosine

A. M. O'Connell and I. Pascher

CCDC reference: 1265161

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The crystal structure of (+)_D-tris(ethylenediamine)cobalt(III) chloride monohydrate, (+)_D-[Co(en)₃]Cl₃.H₂O

M. Iwata, K. Nakatzu and Y. Saito

CCDC reference: 1128466

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The use of non-crystallographic symmetry for phase determination

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The crystal structure of tris(cyclopentadienyl)samarium(III)

C.-H. Wong, T.-Y. Lee and Y.-T. Lee

CCDC reference: 1134716

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The crystal and molecular structure of a self-complexing molecule: 1-phenyl-2-thiomethylethenyl-2,4,6-trinitrobenzenesulfonate, (E)–

M. Meyers and K. N. Trueblood

CCDC reference: 1238469

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Crystal structure of N-methyl-DL-leucylglycine hydrobromide

R. Chandrasekaran and E. Subramanian

CCDC reference: 1212553

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The crystal structure of xylitol

H. S. Kim and G. A. Jeffrey

CCDC reference: 1298203

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On the use of the tangent formula to extend the resolution of protein phases

G. N. Reeke Jnr and W. N. Lipscomb

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The molecular structure of N-phenyl-2,4,6-trimethylpyridinium perchlorate

A. Camerman, L. H. Jensen and A. T. Balaban

CCDC reference: 1235360

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The crystal and molecular structure of siccanin p-bromobenzenesulphonate

K. Hirai, S. Okuda, S. Nozoe and Iitaka. Y.

CCDC reference: 1255970

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Neutron diffraction study of Ba(N₃)₂

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Die Kristallstruktur des β-Tetraargentotellurnitrates, β-[Ag₄Te][NO₃]₂

E. Schultze-Rhonhof and G. Bergerhoff

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short communications

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Preliminary crystallographic data for methyl-substituted triphenylenes

J. Yerkess, D. W. Jones and W. A. Denne

CCDC references: 1243691; 1243692; 1243693; 1243694; 1243696; 1243697; 1243698

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Refinement of the structure of magnesium thiosulphate hexahydrate, MgS₂O₃.6H₂O

S. Baggio, L. M. Amzel and L. N. Becka

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Evidence for a new phase structure of samarium

J. Kumar and O. N. Srivastava

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Crystal data for (−)-1,2,2,2-tetraphenyl-1-methyldisilanol

U. de la Camp and H. Hope

CCDC reference: 1243721

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Crystal structure of Na₂CO₃.10H₂O

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The crystal structure of the ion exchanger zirconium bis(monohydrogen orthoarsenate) monohydrate

A. Clearfield and W. L. Duax

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The crystal and molecular structure of 2-bromo-N-salicylideneaniline

A. H. Burr and A. D. Hobson

CCDC reference: 1115518

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Space groups of L-tyrosine and L-tryptophane – a corrigendum

B. Khawas and G. S. R. Krishna Murti

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The crystal structure of MgClBr.6H₂O

J. Goodyear and S. A. D. Ali

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The average crystal structure of γ-Na₂CO₃

G. C. Dubbledam and P. M. de Wolff

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notes and news

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Notes and News

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international union of crystallography

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Commission on Crystallographic Apparatus

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book reviews

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Amphiboles (crystal chemistry, phase relations and occurrence) by W. G. Ernst

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Chemical bonds in semiconductors and thermodynamics edited by N. N. Sirota

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Oxidation numbers and oxidation states by C. K. Jørgensen

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Fundamentals of inorganic crystal chemistry by H. Krebs

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Perspectives in structural chemistry II by J. D. Dunitz and J. A. Ibers

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books received

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Structure reports for 1960. Vol. 24 edited by W. B. Pearson

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Structure reports for 1951-1960. Index. Vol. 25 edited by W. B. Pearson

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Structure reports for 1960. Vol. 26 edited by W. B. Pearson

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Modulated structures

The theory of modulated structures and the study of such materials constitute an active and healthy field in crystallography. To view visualizations of over 60 modulated stuctures published in Acta Crystallographica Section B, click on the structure below.

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