Open AccessATOMIC POSITIONS OF DEUTERIUM IN DTGS CRYSTAL DETERMINED BY NEUTRON DIFFRACTION
Author(s) -
Cheng Zhi-Xu,
Cheng Yu-Fen,
Panlin Zhang,
Yan Qi-Wei
Publication year - 1986
Publication title -
wuli xuebao
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.