ATOMIC POSITIONS OF DEUTERIUM IN DTGS CRYSTAL DETERMINED BY NEUTRON DIFFRACTION | Zendy

CHENG ZHI-XU | Zendy; CHENG YU-FEN | Zendy; Panlin Zhang | Zendy; Qiwei Yan | Zendy

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ATOMIC POSITIONS OF DEUTERIUM IN DTGS CRYSTAL DETERMINED BY NEUTRON DIFFRACTION

Author(s) -

CHENG ZHI-XU,

CHENG YU-FEN,

Panlin Zhang,

Qiwei Yan

Publication year - 1986

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.35.643

Subject(s) - deuterium , neutron diffraction , materials science , crystallography , diffractometer , neutron , crystal (programming language) , crystal structure , diffraction , atomic physics , physics , nuclear physics , chemistry , optics , computer science , programming language

The crystal structure of the partly deuterized triglycine sulfate was studied by four-circle neutron diffractometer. The result is compared with TG-S data obtained by Kay et al. The distance between triglyeines groups increases hlightly by deuterization, The relative increases of lattice parameters a, b and c are 0.47%, 0.50%, 0.19%, respectively. The probability of deuterium substitution, P, on various hydrogen sites is obviously divided into two classes; P=0 for hydrogens locked in C-H bonds, while P= 0.84±0.03 for all the others.

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