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. 
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. 
Peter Debye, 1884-1966. P. P. Ewald (1967). Acta Cryst. 22, 947-949. 
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 scattering of electrons by atoms and crystals. I. A new theoretical approach. J. M. Cowley & A. F. Moodie (1957). Acta Cryst. 10, 609-619. 
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 packing of [alpha]-helices: simple coiled-coils. F. H. C. Crick (1953). Acta Cryst. 6, 689-697. 
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. 
Complex alloy structures regarded as sphere packings. I. Definitions and basic principles. F. C. Frank & J. S. Kasper (1958). Acta Cryst. 11, 184-190. 
Arthur Lindo Patterson, 1902-1966. R. E. Marsh & D. P. Shoemaker (1967). Acta Cryst. 22, 749-750. 
Primary crystallographic data. O. Kennard, J. C. Speakman & J. D. H. Donnay (1967). Acta Cryst. 22, 445-449. 
The crystal structure of ferrocene. J. D. Dunitz, L. E. Orgel & A. Rich (1956). Acta Cryst. 9, 373-375. 
Line profiles of neutron powder-diffraction peaks for structure refinement. H. M. Rietveld (1967). Acta Cryst. 22, 151-152. 
Crystallographic data for certain alkaloids. I. Some cinchona alkaloids; correction. P. J. F. Griffiths (1952). Acta Cryst. 5, 554. 
The compound Sr3Ti2O7 and its structure. S. N. Ruddlesden & P. Popper (1958). Acta Cryst. 11, 54-55. 
The crystal structure of tetragonal ZrO2. G. Teufer (1962). Acta Cryst. 15, 1187. 
Angle calculations for 3- and 4-circle X-ray and neutron diffractometers. W. R. Busing & H. A. Levy (1967). Acta Cryst. 22, 457-464. 
A general theory of X-ray diffraction in crystals. W. H. Zachariasen (1967). Acta Cryst. 23, 558-564. 
The crystal structures of WTe2 and high-temperature MoTe2. B. E. Brown (1966). Acta Cryst. 20, 268-274. 
Refinement of the hydroxyapatite structure. A. S. Posner, A. Perloff & A. F. Diorio (1958). Acta Cryst. 11, 308-309. 
The Fourier transform of a coiled-coil. F. H. C. Crick (1953). Acta Cryst. 6, 685-689. 
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. 
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. 
Physical Properties of Crystals by F. Nye. (Book received). Book-review editor (1957). Acta Cryst. 10, 391. 
On the structure of vaterite CaCO3. S. R. Kamhi (1963). Acta Cryst. 16, 770-772. 
New compounds of the K2NIF4 type. S. N. Ruddlesden & P. Popper (1957). Acta Cryst. 10, 538-539. 
Rotatory power and other optical properties of certain liquid crystals. Hl. de Vries (1951). Acta Cryst. 4, 219-226. 
The stereochemistry of deoxyribonucleic acid. II. Hydrogen-bonded pairs of bases. M. Spencer (1959). Acta Cryst. 12, 66-71. 
The structure of metallic dodecarborides. V. I. Matkovich, J. Economy, R. F. Giese Jnr & R. Barrett (1965). Acta Cryst. 19, 1056-1058. 
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. 
Significance tests on the crystallographic R factor. W. C. Hamilton (1965). Acta Cryst. 18, 502-510. 
Journal of crystal growth. (Book received). Book-review editor (1967). Acta Cryst. 23, 338. 
The crystal structure of samarium. A. H. Daane, R. E. Rundle, H. G. Smith & F. H. Spedding (1954). Acta Cryst. 7, 532-535. 
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. 
Antiferromagnetism in LiFePO4. R. P. Santoro & R. E. Newnham (1967). Acta Cryst. 22, 344-347. 
The crystal structure of Na2Ti3O7. S. Andersson & A. D. Wadsley (1961). Acta Cryst. 14, 1245-1249. 
Dynamical Theory of Crystal Lattices by M. Born and K. Huang. (Book received). Book-review editor (1955). Acta Cryst. 8, 444. 
Some mixed metal oxides of perovskite structure. A. J. Smith & A. J. E. Welch (1960). Acta Cryst. 13, 653-656. 
Multiple diffraction in the Weissenberg method. A. Santoro & M. Zocchi (1966). Acta Cryst. 21, 293-297. 
Crystal structure and antiferromagnetism of CrSb. B. T. M. Willis (1953). Acta Cryst. 6, 425-426. 
Refinement of the crystal structure of In2O3 at two wavelengths. M. Marezio (1966). Acta Cryst. 20, 723-728. 
Paul Niggli, 1988-1953. P. P. Ewald (1953). Acta Cryst. 6, 225-226. 
The crystal and molecular structure of 5-aminotetrazole monohydrate. K. Britts & I. L. Karle (1967). Acta Cryst. 22, 308-312. 
Crystal chemical studies of the 5f-series of elements. I. New structure types. W. H. Zachariasen (1948). Acta Cryst. 1, 265-268. 
The structures of the pyrimidines and purines. VII. The crystal structure of caffeine. D. J. Sutor (1958). Acta Cryst. 11, 453-458. 
An X-ray study of boron nitride. R. S. Pease (1952). Acta Cryst. 5, 356-361. 
Ternary semiconducting compounds with sodium chloride-like structure: AgSbSe2, AgSbTe2, AgBiS2, AgBiSe2. S. Geller & J. H. Wernick (1959). Acta Cryst. 12, 46-54. 
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. 
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 hexagonal barium titanate. R. D. Burbank & H. T. Evans (1948). Acta Cryst. 1, 330-336. 
The elastic tensor of given symmetry nearest to an anisotropic elastic tensor. D. C. Gazis, I. Tadjbakhsh & R. A. Toupin (1963). Acta Cryst. 16, 917-922. 
Max von Laue, 1879-1960. P. P. Ewald (1960). Acta Cryst. 13, 513-515. 
The crystal and molecular structure of pyrene. A. Camerman & J. Trotter (1965). Acta Cryst. 18, 636-643. 
The form birefringence of macromolecules. W. L. Bragg & A. B. Pippard (1953). Acta Cryst. 6, 865-867. 
The crystal structure of MoSe2. P. B. James & M. T. Lavik (1963). Acta Cryst. 16, 1183. 
The crystal structure of terephthalic acid. M. Bailey & C. J. Brown (1967). Acta Cryst. 22, 387-391. 
Origin of ferroelectricity in barium titanate and other perovskite-type crystals. H. D. Megaw (1952). Acta Cryst. 5, 739-749. 
The crystal structure of baddeleyite (monoclinic ZrO2) and its relation to the polymorphism of ZrO2. D. K. Smith & W. Newkirk (1965). Acta Cryst. 18, 983-991. 
I. Fankuchen, 1904-1964. P. P. Ewald (1964). Acta Cryst. 17, 1091-1093. 
Dislocations and Platic Flow in Crystals by H. Cottrell. (Book received). Book-review editor (1954). Acta Cryst. 7, 384. 
On the structures of some compounds of the perovskite type. H. L. Yakel (1955). Acta Cryst. 8, 394-398. 
Charles Mauguin, 1878-1958. J. Wyart (1958). Acta Cryst. 11, 513-514. 
The crystal structure of MoTe2. D. Puotinen & R. E. Newnham (1961). Acta Cryst. 14, 691-692. 
On Miller-Bravais indices and four-dimensional vectors. F. C. Frank (1965). Acta Cryst. 18, 862-866. 
Tables of Interatomic Distances and Configuration in Molecules and Ions. (Book received). Book-review editor (1959). Acta Cryst. 12, 174. 
The crystal structure of sucrose. C. A. Beevers, T. R. R. McDonald, J. H. Robertson & F. Stern (1952). Acta Cryst. 5, 689-690. 
The crystal structure of I2Cl6(ICl3). K. H. Boswijk & E. H. Wiebenga (1954). Acta Cryst. 7, 417-423. 
The crystal structure of the high temperature form of niobium pentoxide. B. M. Gatehouse & A. D. Wadsley (1964). Acta Cryst. 17, 1545-1554. 
Refinement of the crystal structure of black phosphorus. A. Brown & S. Rundqvist (1965). Acta Cryst. 19, 684-685. 
On the relations between structure and morphology of crystals. I. P. Hartman & W. G. Perdok (1955). Acta Cryst. 8, 49-52. 
The Optical Principles of the Diffraction of X-rays by R.W. (Book received). Book-review editor (1950). Acta Cryst. 3, 80. 
The structure of the 9(18)-heteropoly anion in potassium 9(18)-tungstophosphate, K6(P2W18O62).14H2O. B. Dawson (1953). Acta Cryst. 6, 113-126. 
The crystal structure of baddeleyite (monoclinic ZrO2). J. D. McCullough & K. N. Trueblood (1959). Acta Cryst. 12, 507-511. 
The structure of bultfonteinite, Ca4Si2O10F2H6. E. J. McIver (1963). Acta Cryst. 16, 551-558. 
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 formamide. J. Ladell & B. Post (1954). Acta Cryst. 7, 559-564. 
The crystal and molecular structure of 4,4'-dichlorodiphenyl sulphone. J. G. Sime & S. C. Abrahams (1960). Acta Cryst. 13, 1-9. 
The principle of close packing and the condition of thermodynamic stability of organic crystals. A. I. Kitaigorodskii (1965). Acta Cryst. 18, 585-590. 
Introduction to Solid-State Physics by C. Kittel. (Book received). Book-review editor (1954). Acta Cryst. 7, 224. 
Geometrische Prinzipien beim Gitteraufbau intermetallischer Verbindungen by R. Schulze. (Book received). Book-review editor (1965). Acta Cryst. 18, 140. 
Some implications of a theorem due to Shannon. D. Sayre (1952). Acta Cryst. 5, 843. 
The crystal structure of [gamma]-glycine. Y. Iitaka (1961). Acta Cryst. 14, 1-10. 
What is a crystallographer?. R. Pepinsky (1954). Acta Cryst. 7, 520-521. 
The geometrical basis of crystal chemistry. Part 1. A. F. Wells (1954). Acta Cryst. 7, 535-544. 
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. 
The crystal structure of antimony selenide, Sb2Se3. N. W. Tideswell, F. H. Kruse & J. D. McCullough (1957). Acta Cryst. 10, 99-102. 
Precision lattice constant determination. W. L. Bond (1960). Acta Cryst. 13, 814-818. 
Separation of particle size and lattice strain in integral breadth measurements. N. C. Halder & C. N. J. Wagner (1966). Acta Cryst. 20, 312-313. 
Crystallographic studies of perovskite-like compounds. I. Rare earth orthoferrites and YFeO3, YCrO3, YAlO3. S. Geller & E. A. Wood (1956). Acta Cryst. 9, 563-568. 
A theory of phase determination for the four types of non-centrosymmetric space groups 1P222, 2P22, 3P12, 3P22. J. Karle & H. Hauptman (1956). Acta Cryst. 9, 635-651. 
Structure and properties of CaTiO3. H. F. Kay & P. C. Bailey (1957). Acta Cryst. 10, 219-226. 
Crystal structure studies on trititanium pentoxide, Ti3O5. S. Åsbrink & A. Magnéli (1959). Acta Cryst. 12, 575-581. 
Layer structure polytypism among niobium and tantalum selenides. B. E. Brown & D. J. Beerntsen (1965). Acta Cryst. 18, 31-36. 
A single-crystal neutron diffraction study of heavy ice. S. W. Peterson & H. A. Levy (1957). Acta Cryst. 10, 344. 
The crystal and molecular structure of biphenyl. J. Trotter (1961). Acta Cryst. 14, 1135-1140. 
The crystal structure of silver tetraborate Ag2O.4B2O3. J. Krogh-Moe (1965). Acta Cryst. 18, 77-81. 
The crystal structure of 2,2'-bipyridine. L. L. Merritt & E. Schroeder (1956). Acta Cryst. 9, 801-804. 
The crystal structure of the metallic phase Mg32(Al, Zn)49. G. Bergman, J. L. T. Waugh & L. Pauling (1957). Acta Cryst. 10, 254-259. 
A study of pendellösung fringes in X-ray diffraction. N. Kato & A. R. Lang (1959). Acta Cryst. 12, 787-794. 
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