REFINEMENT OF A COESITE STRUCTURE

被引:42
作者
ARAKI, T
ZOLTAI, T
机构
[1] Department of Geology and Geophysics, University of Minneapolis, Minnesota
来源
ZEITSCHRIFT FUR KRISTALLOGRAPHIE KRISTALLGEOMETRIE KRISTALLPHYSIK KRISTALLCHEMIE | 1969年 / 129卷 / 5-6期
关键词
D O I
10.1524/zkri.1969.129.5-6.381
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Three-dimensional intensities were collected on a coesite crystal from the same synthetic material which was used for the original structure determination1. The structure was refined with least-squares methods, giving a final R value of 7.6 °/o, slightly different atomic positions and more significantly changed thermal data than originally obtained. © 1969, Walter de Gruyter. All rights reserved.
引用
收藏
页码:381 / &
相关论文
共 7 条
[1]   A NEW DENSE CRYSTALLINE SILICA [J].
COES, L .
SCIENCE, 1953, 118 (3057) :131-132
[2]  
DACHILLE F., 1959, Z KRISTALLOGR, V111, P451
[3]   THE PROBABILITY DISTRIBUTION OF X-RAY INTENSITIES .2. EXPERIMENTAL INVESTIGATION AND THE X-RAY DETECTION OF CENTRES OF SYMMETRY [J].
HOWELLS, ER ;
PHILLIPS, DC ;
ROGERS, D .
ACTA CRYSTALLOGRAPHICA, 1950, 3 (03) :210-214
[4]  
RAMSDELL LS, 1955, AM MINERAL, V40, P975
[5]  
SCLAR CB, 1962, AM MINERAL, V47, P1292
[6]   SECONDARY EXTINCTION CORRECTION [J].
ZACHARIASEN, WH .
ACTA CRYSTALLOGRAPHICA, 1963, 16 (11) :1139-&
[7]  
ZOLTAI T, 1959, Z KRISTALLOGR, V111, P129, DOI DOI 10.1524/ZKRI.1959.111.1-6.129