DETERMINATION OF 3, 4-METHYLENEDIOXY-BENZOYL PICOLINE CRYSTAL STRUCTURE | Zendy

QIAN JIN-ZI | Zendy; GU YUAN-XIN | Zendy; ZHENG CHAO-DE | Zendy; ZHENG QI-TAI | Zendy

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DETERMINATION OF 3, 4-METHYLENEDIOXY-BENZOYL PICOLINE CRYSTAL STRUCTURE

Author(s) -

QIAN JIN-ZI,

GU YUAN-XIN,

ZHENG CHAO-DE,

ZHENG QI-TAI

Publication year - 1981

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.30.418

Subject(s) - diffractometer , van der waals force , crystal structure , molecule , crystal (programming language) , crystallography , materials science , physics , chemistry , quantum mechanics , computer science , programming language

3, 4-METHYLBNEDIOXY-BENZOYL PICOLINE crystal belongs to mono-clinic system. The space group is C2k5-P21/c with four formula units in a cell of dimension a = 10.381(2)?, b = 7.163(2)?, c = 16.951(3)?, β = 107.51 (5)°. The structure was solved by direct method (MULTAN-74). Eefinement of structure parameters was acheived by BLOCK-matrix least-squares method, R = 0.072 (for 2176 observed reflexions) .The intensity data were collected on PW-1100 four-circle diffractometer.All of the hydrogen atoms were located in the difference Fourier maps. The molecules are bound by the van der waals' force.

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