Acta Crystallographica Section A
Acta Crystallographica
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FOUNDATIONS
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Volume 49| Part 3

ISSN: 2053-2733

May 1993 issue

research papers

Distribution of observed C–H bond lengths in neutron crystal structures and temperature dependence of the mean values

T. Steiner and W. Saenger

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X-ray diffraction when the real part of the scattering factor is zero

T. Fukamachi and T. Kawamura

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New techniques for the determination of the scale and overall isotropic temperature factors

S. Parthasarathy and K. Sekar

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Edge contributions to the Kirste–Porod formula: the truncated circular right cone case

S. Ciccariello

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Derivation of a new tangent formula from Patterson-function arguments

J. Rius

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Parametrization of triply periodic minimal surfaces. III. General algorithm and specific examples for the irregular class

A. Fogden

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Measurement of individual structure-factor phases with tenth-degree accuracy: the 00.2 reflection in BeO studied by electron and X-ray diffraction

J. M. Zuo, J. C. H. Spence, J. Downs and J. Mayer

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Automated structure-factor refinement from convergent-beam electron diffraction patterns

J. M. Zuo

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Transmission low-energy electron diffraction (TLEED) and its application to the low-voltage point-projection microscope

W. Qian, J. C. H. Spence and J. M. Zuo

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Modern equations of diffractometry. Profile generation

D. J. Thomas

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Simulation of X-ray topographs: a new method to calculate the diffracted field

C. A. M. Carvalho and Y. Epelboin

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Simulation of X-ray traverse topographs and synchrotron Laue topographs: application of the reciprocity theorem

C. A. M. Carvalho and Y. Epelboin

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Atomic thermal parameters and thermodynamic functions for corundum (α-Al₂O₃) and bromellite (BeO): a lattice-dynamical estimate

T. Pilati, F. Demartin and C. M. Gramaccioli

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Crystallography, geometry and physics in higher dimensions. XI. A new geometrical method for systematic construction of the n-dimensional crystal families: reducible and irreducible crystal families

R. Veysseyre, D. Weigel and T. Phan

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Crystallography, geometry and physics in higher dimensions. XII. Counting and general nomenclature of N-dimensional crystal families: application from one- to five-dimensional spaces

D. Weigel and R. Veysseyre

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A multisolution method of phase determination by combined maximization of entropy and likelihood. VI. Automatic likelihood analysis via the Student t test, with an application to the powder structure of magnesium boron nitride, Mg₃BN₃

K. Shankland, C. J. Gilmore, G. Bricogne and H. Hashizume

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A rotation function with increased signal size

J. Rius and C. Miravitlles

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Molecular dynamics in refinement against fiber diffraction data

H. Wang and G. Stubbs

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The electron distribution in corundum. A study of the utility of merging single-crystal and powder diffraction data

A. S. Brown, M. A. Spackman and R. J. Hill

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Evaluation of reflection intensities for the components of multiple Laue diffraction spots by direct methods

Q. Hao, J. W. Campbell, M. M. Harding and J. R. Helliwell

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Deconvolution of disoriented fiber diffraction data using iterative convolution and local regression

T. T. Tibbitts and D. L. D. Caspar

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Frequency statistical method for evaluating cosine invariants of three-phase relationships

D. A. Langs

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On direct-methods phase information from differences between isomorphous structure factors

C. E. Kyriakidis, R. Peschar and H. Schenk

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How to obtain easily the induced representations of point groups: the icosahedral point groups

Y. Billiet

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X-ray dynamical diffraction in Ge with a zero-real-part scattering factor

T. Fukamachi, R. Negishi, M. Yoshizawa, K. Ehara, T. Kawamura, T. Nakajima and Z. Zhao

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On the solution of the phase problem in quasiperiodic crystals

M. V. Jarić and S. Y. Qiu

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The density of silicon-rich zeolite frameworks

S. T. Hyde, B. W. Ninham and Z. Blum

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short communications

Kitajgorodskij's categories. Corrigenda

A. J. C. Wilson

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The maximum-entropy method in charge-density studies: aspects of reliability

W. Jauch and A. Palmer

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international union of crystallography

International Tables for Crystallography. Volume A: Space-Group Symmetry. Third, revised edition

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Access to CIFs archived in Chester

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fast communications

Report of a Working Group of the International Union of Crystallography Commission on Crystallographic Nomenclature

V. Kopský and D. B. Litvin

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Advances

Recently published Advances articles are given below.

Interpretation of angular symmetries in electron nanodiffraction patterns from thin amorphous specimens. A. C. Y. Liu, G. R. Lumpkin, T. C. Petersen, J. Etheridge & L. Bourgeois (2015). Acta Cryst. A71, doi:10.1107/S2053273315011845.

Identification of inversion domains in KTiOPO₄ via resonant X-ray diffraction. F. Fabrizi, P. A. Thomas, G. Nisbet & S. P. Collins (2015). Acta Cryst. A71, 361-367.

Partial order among the 14 Bravais types of lattices: basics and applications. H. Grimmer (2015). Acta Cryst. A71, 143-149.

SHELXT - Integrated space-group and crystal-structure determination. G. M. Sheldrick (2015). Acta Cryst. A71, 3-8.

more ...

Special issues

Mathematical Crystallography

Bragg centennial issue

Laue centennial issue

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