most read articles

These are the most read articles in the last six months.

The structure of sodium thymonucleate fibres. I. The influence of water content. R. E. Franklin & R. G. Gosling (1953). Acta Cryst. 6, 673-677. 
A new method for measuring integrated intensities photographically. L. V. Azároff (1957). Acta Cryst. 10, 413-417. 
The structure of sodium thymonucleate fibres. II. The cylindrically symmetrical Patterson function. R. E. Franklin & R. G. Gosling (1953). Acta Cryst. 6, 678-685. 
The structure of synthetic polypeptides. I. The transform of atoms on a helix. W. Cochran, F. H. Crick & V. Vand (1952). Acta Cryst. 5, 581-586. 
The packing of [alpha]-helices: simple coiled-coils. F. H. C. Crick (1953). Acta Cryst. 6, 689-697. 
Peter Debye, 1884-1966. P. P. Ewald (1967). Acta Cryst. 22, 947-949. 
The crystal structure of zinc acetate dihydrate, Zn(CH3COO)2.2H2O. J. N. van Niekerk, F. R. L. Schoening & J. H. Talbot (1953). Acta Cryst. 6, 720-723. 
The crystal structure of silk fibroin. J. O. Warwicker (1954). Acta Cryst. 7, 565-573. 
The structure of graphitic carbons. R. E. Franklin (1951). Acta Cryst. 4, 253-261. 
The scattering of electrons by atoms and crystals. I. A new theoretical approach. J. M. Cowley & A. F. Moodie (1957). Acta Cryst. 10, 609-619. 
Arthur Lindo Patterson, 1902-1966. R. E. Marsh & D. P. Shoemaker (1967). Acta Cryst. 22, 749-750. 
The crystal structure of ferrocene. J. D. Dunitz, L. E. Orgel & A. Rich (1956). Acta Cryst. 9, 373-375. 
The Fourier transform of a coiled-coil. F. H. C. Crick (1953). Acta Cryst. 6, 685-689. 
Primary crystallographic data. O. Kennard, J. C. Speakman & J. D. H. Donnay (1967). Acta Cryst. 22, 445-449. 
Crystallographic data for certain alkaloids. IV. D. C. Phillips (1954). Acta Cryst. 7, 603. 
Significance tests on the crystallographic R factor. W. C. Hamilton (1965). Acta Cryst. 18, 502-510. 
The form birefringence of macromolecules. W. L. Bragg & A. B. Pippard (1953). Acta Cryst. 6, 865-867. 
The compound Sr3Ti2O7 and its structure. S. N. Ruddlesden & P. Popper (1958). Acta Cryst. 11, 54-55. 
Line profiles of neutron powder-diffraction peaks for structure refinement. H. M. Rietveld (1967). Acta Cryst. 22, 151-152. 
Complex alloy structures regarded as sphere packings. I. Definitions and basic principles. F. C. Frank & J. S. Kasper (1958). Acta Cryst. 11, 184-190. 
The crystal structure of samarium. A. H. Daane, R. E. Rundle, H. G. Smith & F. H. Spedding (1954). Acta Cryst. 7, 532-535. 
Angle calculations for 3- and 4-circle X-ray and neutron diffractometers. W. R. Busing & H. A. Levy (1967). Acta Cryst. 22, 457-464. 
Crystallographic data for certain alkaloids. I. Some cinchona alkaloids; correction. P. J. F. Griffiths (1952). Acta Cryst. 5, 554. 
The crystal structures of WTe2 and high-temperature MoTe2. B. E. Brown (1966). Acta Cryst. 20, 268-274. 
Max von Laue, 1879-1960. P. P. Ewald (1960). Acta Cryst. 13, 513-515. 
The crystal and molecular structure of 5-aminotetrazole monohydrate. K. Britts & I. L. Karle (1967). Acta Cryst. 22, 308-312. 
A general theory of X-ray diffraction in crystals. W. H. Zachariasen (1967). Acta Cryst. 23, 558-564. 
The crystal structure of potassium trioxalatochromate (III), K3[Cr(C2O4)3]H2O. J. N. van Niekerk & F. R. L. Schoening (1952). Acta Cryst. 5, 196-202. 
Rotatory power and other optical properties of certain liquid crystals. Hl. de Vries (1951). Acta Cryst. 4, 219-226. 
Multiple diffraction in the Weissenberg method. A. Santoro & M. Zocchi (1966). Acta Cryst. 21, 293-297. 
Structure and properties of CaTiO3. H. F. Kay & P. C. Bailey (1957). Acta Cryst. 10, 219-226. 
The crystal structure of Bi and of solid solutions of Pb, Sn, Sb and Te in Bi. P. Cucka & C. S. Barrett (1962). Acta Cryst. 15, 865-872. 
Physical Properties of Crystals by F. Nye. (Book received). Book-review editor (1957). Acta Cryst. 10, 391. 
New compounds of the K2NIF4 type. S. N. Ruddlesden & P. Popper (1957). Acta Cryst. 10, 538-539. 
The crystal structure of terephthalic acid. M. Bailey & C. J. Brown (1967). Acta Cryst. 22, 387-391. 
Some implications of a theorem due to Shannon. D. Sayre (1952). Acta Cryst. 5, 843. 
The crystal structure of tetragonal ZrO2. G. Teufer (1962). Acta Cryst. 15, 1187. 
An X-ray study of boron nitride. R. S. Pease (1952). Acta Cryst. 5, 356-361. 
Dynamical Theory of Crystal Lattices by M. Born and K. Huang. (Book received). Book-review editor (1955). Acta Cryst. 8, 444. 
The crystal structure of formamide. J. Ladell & B. Post (1954). Acta Cryst. 7, 559-564. 
Paul Niggli, 1988-1953. P. P. Ewald (1953). Acta Cryst. 6, 225-226. 
Refinement of the hydroxyapatite structure. A. S. Posner, A. Perloff & A. F. Diorio (1958). Acta Cryst. 11, 308-309. 
Geometrische Prinzipien beim Gitteraufbau intermetallischer Verbindungen by R. Schulze. (Book received). Book-review editor (1965). Acta Cryst. 18, 140. 
Charles Mauguin, 1878-1958. J. Wyart (1958). Acta Cryst. 11, 513-514. 
The crystal structure of [gamma]-UO3. R. Engmann & P. M. de Wolff (1963). Acta Cryst. 16, 993-996. 
I. Fankuchen, 1904-1964. P. P. Ewald (1964). Acta Cryst. 17, 1091-1093. 
Ternary semiconducting compounds with sodium chloride-like structure: AgSbSe2, AgSbTe2, AgBiS2, AgBiSe2. S. Geller & J. H. Wernick (1959). Acta Cryst. 12, 46-54. 
On the structure of vaterite CaCO3. S. R. Kamhi (1963). Acta Cryst. 16, 770-772. 
The Optical Principles of the Diffraction of X-rays by R.W. (Book received). Book-review editor (1950). Acta Cryst. 3, 80. 
Tables of Interatomic Distances and Configuration in Molecules and Ions. (Book received). Book-review editor (1959). Acta Cryst. 12, 174. 
Crystal chemical studies of the 5f-series of elements. I. New structure types. W. H. Zachariasen (1948). Acta Cryst. 1, 265-268. 
The geometrical basis of crystal chemistry. Part 1. A. F. Wells (1954). Acta Cryst. 7, 535-544. 
A review of the Al-O and Si-O distances. J. V. Smith (1954). Acta Cryst. 7, 479-481. 
The crystal structure of Na2Ti3O7. S. Andersson & A. D. Wadsley (1961). Acta Cryst. 14, 1245-1249. 
A hexagonal modification of a salt of Millon's base. L. Nijssen & W. N. Lipscomb (1954). Acta Cryst. 7, 103-106. 
Refinement of the crystal structure of In2O3 at two wavelengths. M. Marezio (1966). Acta Cryst. 20, 723-728. 
Crystal chemical studies of the 5f-series of elements. VI. The Ce2S3-Ce3S4 type of structure. W. H. Zachariasen (1949). Acta Cryst. 2, 57-60. 
The detection of sub-units within the crystallographic asymmetric unit. M. G. Rossmann & D. M. Blow (1962). Acta Cryst. 15, 24-31. 
The crystal structure of MoSe2. P. B. James & M. T. Lavik (1963). Acta Cryst. 16, 1183. 
Crystal structure and antiferromagnetism of CrSb. B. T. M. Willis (1953). Acta Cryst. 6, 425-426. 
The crystal structure of MoTe2. D. Puotinen & R. E. Newnham (1961). Acta Cryst. 14, 691-692. 
X-ray determination of crystallinity and diffuse disorder scattering. W. Ruland (1961). Acta Cryst. 14, 1180-1185. 
Layer structure polytypism among niobium and tantalum selenides. B. E. Brown & D. J. Beerntsen (1965). Acta Cryst. 18, 31-36. 
Small-Angle Scattering of X-rays by A. Guinier and G. Fournet. (Book received). Book-review editor (1956). Acta Cryst. 9, 326. 
The structure of dimethyl oxalate. M. W. Dougill & G. A. Jeffrey (1953). Acta Cryst. 6, 831-837. 
Introduction to Solid-State Physics by C. Kittel. (Book received). Book-review editor (1954). Acta Cryst. 7, 224. 
A Handbook of Lattice Spacings and Structures of Metals and Alloys by B. Pearson. (Book received). Book-review editor (1959). Acta Cryst. 12, 174. 
Crystal chemical studies of the 5f-series of elements. XII. New compounds representing known structure types. W. H. Zachariasen (1949). Acta Cryst. 2, 388-390. 
Precision lattice constant determination. W. L. Bond (1960). Acta Cryst. 13, 814-818. 
Refinement of the crystal structure of black phosphorus. A. Brown & S. Rundqvist (1965). Acta Cryst. 19, 684-685. 
The use of Fourier analysis in the interpretation of X-ray line broadening from cold-worked iron and molybdenum. G. K. Williamson & R. E. Smallman (1954). Acta Cryst. 7, 574-581. 
Some mixed metal oxides of perovskite structure. A. J. Smith & A. J. E. Welch (1960). Acta Cryst. 13, 653-656. 
Plenum Press handbooks of high-temperature materials. (Book received). Book-review editor (1965). Acta Cryst. 18, 140. 
The crystal and molecular structure of a hydrogen-bonded complex between 1-methylthymine and 9-methyladenine. K. Hoogsteen (1963). Acta Cryst. 16, 907-916. 
The crystal structure of Cs2I8(CsI4). E. E. Havinga, K. H. Boswijk & E. H. Wiebenga (1954). Acta Cryst. 7, 487-490. 
Precise lattice constants of germanium, aluminum, gallium arsenide, uranium, sulphur, quartz and sapphire. A. S. Cooper (1962). Acta Cryst. 15, 578-582. 
The crystal structure of L-alanine. H. J. Simpson Jnr & R. E. Marsh (1966). Acta Cryst. 20, 550-555. 
A new type of copper complex as found in the crystal structure of cupric acetate, Cu2(CH3COO)4.2H2O. J. N. van Niekerk & F. R. L. Schoening (1953). Acta Cryst. 6, 227-232. 
The crystal structure of [gamma]-glycine. Y. Iitaka (1961). Acta Cryst. 14, 1-10. 
The crystal structures of new forms of silicon and germanium. J. S. Kasper & S. M. Richards (1964). Acta Cryst. 17, 752-755. 
On the geometry of coincidence-site lattices. S. Ranganathan (1966). Acta Cryst. 21, 197-199. 
The Crystalline State. (Book received). Book-review editor (1954). Acta Cryst. 7, 384. 
Journal of crystal growth. (Book received). Book-review editor (1967). Acta Cryst. 23, 338. 
The lattice spacings of lead-rich substitutional solid solutions. C. Tyzack & G. V. Raynor (1954). Acta Cryst. 7, 505-510. 
The crystal structures and lattice parameters of high-purity scandium, yttrium and the rare earth metals. F. H. Spedding, A. H. Daane & K. W. Herrmann (1956). Acta Cryst. 9, 559-563. 
A study of pendellösung fringes in X-ray diffraction. N. Kato & A. R. Lang (1959). Acta Cryst. 12, 787-794. 
Notes and News. IUCr (1962). Acta Cryst. 15, 1190. 
The crystal structure of antimony at 4.2, 78 and 298° K. C. S. Barrett, P. Cucka & K. Haefner (1963). Acta Cryst. 16, 451-453. 
The structure of metallic dodecarborides. V. I. Matkovich, J. Economy, R. F. Giese Jnr & R. Barrett (1965). Acta Cryst. 19, 1056-1058. 
Dislocations and Platic Flow in Crystals by H. Cottrell. (Book received). Book-review editor (1954). Acta Cryst. 7, 384. 
The crystal structure of sucrose. C. A. Beevers, T. R. R. McDonald, J. H. Robertson & F. Stern (1952). Acta Cryst. 5, 689-690. 
Origin of ferroelectricity in barium titanate and other perovskite-type crystals. H. D. Megaw (1952). Acta Cryst. 5, 739-749. 
Refinement of the crystal structure of oxamide. E. M. Ayerst & J. R. C. Duke (1954). Acta Cryst. 7, 588-590. 
The crystal structure of acetanilide. C. J. Brown & D. E. C. Corbridge (1954). Acta Cryst. 7, 711-715. 
The need for determination of structures at different temperatures. K. Lonsdale (1956). Acta Cryst. 9, 202. 
The crystal structure of acetic acid. R. E. Jones & D. H. Templeton (1958). Acta Cryst. 11, 484-487. 
Complex alloy structures regarded as sphere packings. II. Analysis and classification of representative structures. F. C. Frank & J. S. Kasper (1959). Acta Cryst. 12, 483-499. 
Notes and News. IUCr (1961). Acta Cryst. 14, 204. 
On the crystal structure of the manganese(III) trioxides of the heavy lanthanides and yttrium. H. L. Yakel Jnr, W. C. Koehler, E. F. Bertaut & E. F. Forrat (1963). Acta Cryst. 16, 957-962. 
The crystal and molecular structure of 7,7,8,8-tetracyanoquinodimethane. R. E. Long, R. A. Sparks & K. N. Trueblood (1965). Acta Cryst. 18, 932-939. 
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