Acta Crystallographica Section A
Acta Crystallographica
Section A FOUNDATIONS AND ADVANCES

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FOUNDATIONS
ADVANCES

Volume 32| Part 1

ISSN: 2053-2733

January 1976 issue

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research papers

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On the comparison of conformations using linear and quadratic transformations

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Computer simulation of thermal expansion of non-cubic crystals: forsterite, anhydrite and scheelite

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Phase extension by means of the square root of the electron density

A. R. Davies and J. S. Rollett

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On the geometry of O–H⋯O hydrogen bonds

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Bestimmung der Magnetischen Phasen von Eisen(II)-chlorid-doppelhydrat, FeCl₂.2H₂O, und Kobalt(II)-chlorid-doppelhydrat, CoCl₂.2H₂O, mit Neutronenbeugung

W. Schneider and H. Weitzel

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The role of crystal packing forces in the structure of pentaphenylantimony

C. P. Brock and J. A. Ibers

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A joint probability distribution of seven structure factors in P $\overline{1}$

E. A. Green and H. Hauptman

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Conditional probability distributions of the four-phase structure invariant ϕ_h + ϕ_k + ϕ_l + ϕ_m in P $\overline{1}$

H. Hauptman and E. A. Green

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Assemblage compact d'hypersphères identiques à n dimensions

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Effects of misplaced atoms on the residual R₂ in space groups of higher symmetry

A. J. C. Wilson

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A note on the probability distribution of phases in a non-centrosymmetric crystal with a degree of centrosymmetry. II. The case of a crystal with type-II degree of centrosymmetry

S. Parthasarathy and V. Parthasarathi

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General theory of coincidence-site lattices, reduced 0-lattices and complete pattern-shift lattices in arbitrary crystals

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Univalent (monodentate) substitution on convex polyhedra. II. Listing of cycle indices

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A neutron small-angle scattering study of hen egg-white lysozyme

H. B. Stuhrmann and H. Fuess

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An improved probabilistic theory in P $\overline{1}$ of the invariant E_hE_kE_lE_h+k+l

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Diffraction by crystals with planar faults. I. General theory

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Diffraction by crystals with planar faults. II. Magnesium fluorogermanate

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A probability theory of the cosine invariant cos(ϕ_h + ϕ_k + ϕ_l – ϕ_h+k+l)

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A formula for the invariant cos(ϕ_h + ϕ_k + ϕ_l – ϕ_h+k+l) in the procedures for phase solution

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X-ray intensity measurements on large crystals by energy-dispersive diffractometry. I. Energy dependence of diffraction intensities near the absorption edge

T. Fukamachi, S. Hosoya and M. Okunuki

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Neutron diffraction study of nuclear distributions in NH₄Cl

K. Kurki-Suonio, M. Merisalo, A. Vahvaselkä and F. K. Larsen

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Restriction of the number of terms in the Sayre–Hughes equation connected with a criterion to establish the absence of atomic overlap in projection

J. J. L. Heinerman and J. Kroon

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Application of a new least-squares method to structure refinement

J. P. Chesick, W. C. Davidon and C. Schoen

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The combination of independent phase information obtained from separate protein structure determinations of yeast hexokinase

R. J. Fletterick and T. A. Steitz

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A table of the colored crystallographic and icosahedral point groups, including their chirality and diamorphism

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An example of the use of quartet and triplet structure invariants when enantiomorph discrimination is difficult

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Probability distribution of the difference in intensities of two unrelated structures

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Arrangements of point charges having zero electric-field gradient. II

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The temperature dependence of the Debye–Waller factor of magnesium

D. Sledziewska-Blocka and B. Lebech

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Debye temperature of MgO powder by elastic neutron scattering

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Double oxides of gallium and niobium

P. L. Gai and J. S. Anderson

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Anomalous thermoelastic properties of the cyanospinels K₂Zn(CN)₄, K₂Cd(CN)₄ and K₂Hg(CN)₄

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Twinning by merohedry and X-ray crystal structure determination

M. Catti and G. Ferraris

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short communications

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Neutron diffraction from a smectic A monodomain

H. Hervet, S. Lagomarsino, F. Rustichelli and F. Volino

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Comments on High-precision orientation of crystals using the Laue method with characteristic X-rays by O. Christiansen, L. Gerward and I. Alstrup

G. J. McIntyre and Z. Barnea

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Reply to McIntyre and Barnea's comments on our article High-precision orientation of crystals using the Laue method with characteristic X-rays

G. Christiansen, L. Gerward and I. Alstrup

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An empirical test of a convolution-type structure-factor equation

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Internal strain of GaAs. I. Longitudinal case: erratum

C. N. Koumelis and E. K. Rozis

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Analysis of orientationally disordered structures. II. Examples: erratum

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A neutron diffraction study of KCl. A correction

M. J. Cooper and K. D. Rouse

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obituaries

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Arne Westgren, 1889-1975

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international union of crystallography

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Commission on Journals

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Appointments in the IUCr Office

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Structure Reports

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notes and news

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Notes and News

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book reviews

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Electron microprobe analysis by S. J. B. Reed

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Magnetic interaction phenomena in crystals edited by A. J. Freeman and H. Schmid

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Physics of IV–VI compounds and alloys edited by S. Rabii

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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.

Special issues

Mathematical Crystallography

Bragg centennial issue

Laue centennial issue

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