Moerman W, Ouwerkerk M, Kroon J. Conformational aspects of meso-tartaric acid. IX. Structure of (+)-(R)-α-methylbenzylammonium meso-tartrate monohydrate, 2C8H12N+.C4H4O62−.H2O. Acta Crystallogr C 1985. [DOI: 10.1107/s0108270185007156] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

van der Sluis P, Kroon J. The structure of (±)-malic acid, (±)-C4H6O5. Acta Crystallogr C 1985. [DOI: 10.1107/s0108270185006163] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

Bouwstra JA, Schouten A, Kroon J, Helmholdt RB. Structural studies of the system trans-stilbene/trans-azobenzene. III. The structures of three mixed crystals of trans-azobenzene/trans-stilbene; determinations by X-ray and neutron diffraction. Acta Crystallogr C 1985. [DOI: 10.1107/s0108270185004139] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

Blankensteyn AJAR, Kroon J. Conformational aspects of meso-tartaric acid. VIII. Structure of sodium meso-tartrate, 2Na+.C4H4O62−. Acta Crystallogr C 1985. [DOI: 10.1107/s0108270185003249] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]  Open

de Vries AJ, Kroon J. Conformational aspects of meso-tartaric acid. VII. Structure of calcium meso-tartrate trihydrate, Ca2+.C4H4O62−.3H2O. Acta Crystallogr C 1984. [DOI: 10.1107/s0108270184008635] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

Kroon J, Laan P. A COMPARISON OF THE POWERS OF A GENERALIZED FRIEDMAN'S RANK TEST AND AN ALIGNED RANK PROCEDURE BASED ON SIMULATION. STAT NEERL 1984. [DOI: 10.1111/j.1467-9574.1984.tb01109.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]

van der Sluis P, Kroon J. Crystal structures of (−)-malic acid and of a second modification of (±)-malic acid. Acta Crystallogr A 1984. [DOI: 10.1107/s0108767384091649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

Stouten PFW, Blankensteyn AJAR, Kroon J. Hydrogen bonding in acid salts ofmeso-tartaric acid. Acta Crystallogr A 1984. [DOI: 10.1107/s0108767384096458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

Kroon J, Duisenberg AJM, Peerdeman AF. Conformational aspects of meso-tartaric acid. VI. Structure of (−)-α-methylbenzylammonium hydrogen meso-tartrate, C8H12N+.C4H5O6−. Acta Crystallogr C 1984. [DOI: 10.1107/s0108270184005187] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]  Open

Bouwstra JA, Schouten A, Kroon J. Structural studies of the system trans-azobenzene/trans-stilbene. II. A reinvestigation of the disorder in the crystal structure of trans-stilbene, C14H12. Acta Crystallogr C 1984. [DOI: 10.1107/s010827018400439x] [Citation(s) in RCA: 69] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]  Open

Spek AL, Kroon J, Elsevier CJ, Bos HJT, Vermeer P. Structure and absolute configuration of 21α-bromo-3-methoxy-19-nor-1,3,5(10),17(20),20-pregnapentaene, C21H25BrO. Acta Crystallogr C 1984. [DOI: 10.1107/s0108270184004467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

Kroon J, Pontenagel WMGF. Phase relationships in the chiral space groupsP4₁andP4₃. Correction of an error inInternational Tables for X-ray Crystallography,Vol. I. Acta Crystallogr A 1983. [DOI: 10.1107/s0108767383001610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

Bouwstra JA, Schouten A, Kroon J. Structural studies of the system trans-azobenzene/trans-stilbene. I. A reinvestigation of the disorder in the crystal structure of trans-azobenzene, C12H10N2. Acta Crystallogr C 1983. [DOI: 10.1107/s0108270183007611] [Citation(s) in RCA: 120] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]  Open

Cascarano G, Giacovazzo C, Peerdeman AF, Kroon J. Determination of the position of even the lighter anomalous scatterers in a crystal structure by means of a two-wavelength technique. ACTA ACUST UNITED AC 1982. [DOI: 10.1107/s0567739482001430] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Bruins Slot HJ, Kroon J, Brouwer AC, Bos HJT. Structure of tert-butyl 2-(tert-butylthio)-2-(9-thioxanthenylidene)dithioacetate. ACTA ACUST UNITED AC 1981. [DOI: 10.1107/s0567740881007449] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

de Vos AM, Kroon J, Brouwer AC, Bos HJT. Structure of xanthene-9-spiro-2'-[3',4'-bis(tert-butylthio)thiete]. ACTA ACUST UNITED AC 1981. [DOI: 10.1107/s0567740881002409] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Verhoeckx GJ, Kroon J, Brouwer AC, Bos HJT. Structure of xanthene-9-spiro-2'-[4'-tert-butyl-3'-(methylthio)thiete]. ACTA ACUST UNITED AC 1980. [DOI: 10.1107/s0567740880003615] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Bokkers G, Kroon J, Spek AL. The crystal and molecular structure of N-mesitylbenzophenoneimine [N-(diphenylmethylene)mesitylamine]. ACTA ACUST UNITED AC 1979. [DOI: 10.1107/s0567740879009286] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

van den Hoek WGM, Oonk HAJ, Kroon J. The conformation of a fifteen-membered ring: crystal and molecular structure of cyclopentadecanone phenylsemicarbazone at 183 K. ACTA ACUST UNITED AC 1979. [DOI: 10.1107/s0567740879007913] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Heinerman JJL, Kroon J, Krabbendam H. Conditional phase probability distributions of structure factors in a Karle–Hauptman matrix. ACTA ACUST UNITED AC 1979. [DOI: 10.1107/s0567739479000188] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Roelofsen G, Kanters JA, Kroon J, Doesburg HM, Koops T. Order–disorder phenomena in structures of carboxylic acids: the structures of fluoromalonic acid and hydroxymalonic acid at 20 and –150°C. ACTA ACUST UNITED AC 1978. [DOI: 10.1107/s0567740878008596] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

van Zoeren E, Oonk HAJ, Kroon J. X-ray analysis of L-pyroglutamic acid. A marked case of structural pseudosymmetry. ACTA ACUST UNITED AC 1978. [DOI: 10.1107/s0567740878006925] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Heinerman JJL, Krabbendam H, Kroon J, Spek AL. Direct phase determination of triple products from Bijvoet inequalities. II. A probabilistic approach. ACTA ACUST UNITED AC 1978. [DOI: 10.1107/s0567739478000881] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Baert F, Fouret R, Oonk HAJ, Kroon J. The carvoxime system. V. X-ray study of a mixed crystal of carvoxime. ACTA ACUST UNITED AC 1978. [DOI: 10.1107/s0567740878002654] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Kroon J, Spek AL, Krabbendam H. Direct phase determination of triple products from Bijvoet inequalities. ACTA ACUST UNITED AC 1977. [DOI: 10.1107/s0567739477001028] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]