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

IUCr IT WDC

home archive editors for authors for readers submit subscribe open access

issue contents

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

Volume 50| Part 1

ISSN: 2052-5206

February 1994 issue

Cover illustration: 1-Benzyl-5,5-diphenyl-2,4-dioxo-3-imidazolidineacetic acid: superposition of the ten lowest energy conformers (left) and theoretical deformation density map in the hydantoin ring plane (right), see Ciechanowicz-Rutkowska et al., pages 86-96.

editorial

Editorial

F. H. Allen

Read article

international union of crystallography

Notes for Authors

Read article

research papers

Effective radii of the monovalent coin metals

M. S. Liao and W. H. E. Schwarz

Read article

Structure determination of the ferroelastic phase of K₃Na(CrO₄)₂ at 200 and 230 K and the redetermination of its parent phase at 290 K

J. Fábry, T. Breczewski and G. Madariaga

Read article

Crystalline phases related to a decagonal quasicrystal. I. A single-crystal X-ray diffraction study of the orthorhombic Al₃Mn phase

N. C. Shi, X. Z. Li, Z. S. Ma and K. H. Kuo

Read article

Structures of synthetic K₂MgSi₅O₁₂ leucites by integrated X-ray powder diffraction, electron diffraction and ²⁹Si MAS NMR methods

A. M. T. Bell, C. M. B. Henderson, S. A. T. Redfern, R. J. Cernik, P. E. Champness, A. N. Fitch and S. C. Kohn

Read article

Structure of the incommensurate composite crystal [Sr₂Cu₂O₃][CuO₂]_x (x = 1.436)

K. Ukei, T. Shishido and T. Fukuda

Read article

Experiences with a structure determination on the basis of powder data

G. Brüderl, H. Burzlaff, W. Rothammel, R. Spengler, H. Zimmermann and B. Perdikatsis

Read article

Description of coordination geometry in tetrahedral metal complexes by symmetry-deformation coordinates

G. Klebe and F. Weber

Read article

Structure of sodium ammonium (+)-tartrate tetrahydrate at 200, 151 and 120 K

Z. Brożek and K. Stadnicka

CCDC references: 1255336; 1255337; 1255338; 1255341

Read article

Structure of the β-blocker/vasodilator agent prizidilol, DL-6-{2-[3-(tert-butylamino)-2-hydroxypropoxy]phenyl}-3-pyridazinylhydrazine hemisulfate monohydrate

K. Prout, K. Burns and A. M. Roe

CCDC reference: 1172736

Read article

Crystal and molecular structures of pyridazinone cardiovascular agents

K. Prout, C. Bannister, K. Burns, M. Chen, B. H. Warrington and J. G. Vinter

CCDC references: 1172737; 1172738; 1172739; 1172740; 1172741; 1172742; 1172743; 1172744; 1172745; 1172746; 1172747

Read article

Molecular and electronic structures of two (anticonvulsant) diphenylhydantoin derivatives

M. Ciechanowicz-Rutkowska, K. Kieć-Kononowicz, S. T. Howard, H. Lieberman and M. B. Hursthouse

CCDC references: 1172752; 1172753

Read article

Solids modelled by crystal field ab initio methods. 5. The phase transitions in biphenyl from a molecular point of view

A. T. H. Lenstra, C. Van Alsenoy, K. Verhulst and H. J. Geise

Read article

Structures and photochemical reactions of 1-(9-anthryl)-2-aroylethylenes: competing cis–trans isomerization and skeletal rearrangement

Y. Mori and K. Maeda

CCDC references: 1172748; 1172749; 1172750; 1172751

Read article

On the crystal structures of two inclusion compounds of tris(5-acetyl-3-thienyl)methane

R. E. Marsh

CCDC references: 1187699; 1287790

Read article

international union of crystallography

Restructuring of the IUCr editorial office

Read article

book reviews

Reflections on symmetry in chemistry⋯and elsewhere by E. Heilbronner and J. D. Dunitz

Read article

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.