APPLICATION OF A NEW METHOD FOR THE DETERMINATION OF ACCURATE INTENSITIES FROM POWDER DIFFRACTION DATA - CRYSTAL-STRUCTURE DETERMINATION OF FIBRILLAR SILVER TRIMOLYBDATE

被引：15

作者：

LASOCHA, W ^{[1
]}

JANSEN, J ^{[1
]}

SCHENK, H ^{[1
]}

机构：

[1] UNIV AMSTERDAM,CRYSTALLOG LAB,1018 WV AMSTERDAM,NETHERLANDS

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 1994年 / 109卷 / 01期

关键词：

D O I：

10.1006/jssc.1994.1062

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new approach for the determination of accurate intensities from powder diffraction data has been successfully applied to a sample of fibrillar silver trimolybdate Ag2O · 3MoO3 · 1.8H2O. At the beginning the pattern decomposition program could find only 30 nonoverlapping reflections, but after a few cycles of the intensity estimating procedure a set of 130 unique intensities was obtained. This set was sufficient to solve the phase problem both by the direct method and Patterson programs. The final Rietveld method refined to Rf = 14.1% and Rwp = 20.4%. Space group Pnma ; a = 13.201(10), b = 7.577(6), c = 9.757(7) Å, Z = 4. © 1994 Academic Press, Inc.

引用

页码：1 / 4

页数：4

共 14 条

[1]

BAERLOCHER C, 1982, XRAY RIETVELD SYSTEM

[2] STRUCTURE REFINEMENT OF THE SPINEL-RELATED PHASES LI2MN2O4 AND LI0.2MN2O4 [J].

DAVID, WIF ;

THACKERAY, MM ;

DEPICCIOTTO, LA ;

GOODENOUGH, JB .

JOURNAL OF SOLID STATE CHEMISTRY, 1987, 67 (02) :316-323

[3] STRUCTURAL CHARACTERIZATION OF THE AMMONIUM TRIMOLYBDATE HYDRATE (NH4)2MO3O10.H2O [J].

HODOROWICZ, SA ;

LASOCHA, W .

CRYSTAL RESEARCH AND TECHNOLOGY, 1988, 23 (02) :K43-K46

[4] ON THE DETERMINATION OF ACCURATE INTENSITIES FROM POWDER DIFFRACTION DATA .1. WHOLE-PATTERN FITTING WITH A LEAST-SQUARES PROCEDURE [J].

JANSEN, J ;

PESCHAR, R ;

SCHENK, H .

JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1992, 25 :231-236

[5] ON THE DETERMINATION OF ACCURATE INTENSITIES FROM POWDER DIFFRACTION DATA .2. ESTIMATION OF INTENSITIES OF OVERLAPPING REFLECTIONS [J].

JANSEN, J ;

PESCHAR, R ;

SCHENK, H .

JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1992, 25 (pt 2) :237-243

[6] APPLICATION OF DIRECT-METHODS TO POWDER DATA - A WEIGHTING SCHEME FOR INTENSITIES IN THE OPTIMAL SYMBOLIC ADDITION PROGRAM SIMPEL88 [J].

JANSEN, J ;

PESCHAR, R ;

SCHENK, H .

ZEITSCHRIFT FUR KRISTALLOGRAPHIE, 1993, 206 :33-43

[7] CRYSTAL-STRUCTURE OF SO-CALLED POTASSIUM DECAMOLYBDATE, KMO5O15OH.2H2O [J].

KREBS, B ;

PAULATBOSCHEN, I .

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE, 1976, 32 (JUN15) :1697-1704

[8] STRUCTURE OF THE RUBIDIUMTRIMOLYBDATE HYDRATE RB2MO3O10.H2O [J].

KREUSLER, HU ;

FORSTER, A ;

FUCHS, J .

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 1980, 35 (02) :242-244

[9] PREPARATION AND CHARACTERIZATION OF SILVER TRIMOLYBDATE [J].

LASOCHA, W ;

LASOCHA, A ;

HODOROWICZ, SA .

CRYSTAL RESEARCH AND TECHNOLOGY, 1985, 20 (05) :713-718

[10] UNIT-CELL REFINEMENT FROM POWDER DIFFRACTION SCANS [J].

PAWLEY, GS .

JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1981, 14 (DEC) :357-361

← 1 2 →