# Search results of SQL query from the Crystallography Open Database # Date and time performed: 2024-06-16T14:05:39+02:00 # Query: # SELECT data.* # FROM # data # WHERE # (status is null or status != 'retracted') and # (sg LIKE 'I b a m (b,c,a)' AND duplicateof IS NULL AND (status is NULL OR status != 'errors') AND (method is NULL OR method != 'theoretical')) # ORDER BY file asc file,a,siga,b,sigb,c,sigc,alpha,sigalpha,beta,sigbeta,gamma,siggamma,vol,sigvol,celltemp,sigcelltemp,diffrtemp,sigdiffrtemp,cellpressure,sigcellpressure,diffrpressure,sigdiffrpressure,thermalhist,pressurehist,compoundsource,nel,sg,sgHall,sgNumber,commonname,chemname,mineral,formula,calcformula,cellformula,Z,Zprime,acce_code,authors,title,journal,year,volume,issue,firstpage,lastpage,doi,method,radiation,wavelength,radType,radSymbol,Rall,Robs,Rref,wRall,wRobs,wRref,RFsqd,RI,gofall,gofobs,gofgt,gofref,duplicateof,optimal,status,flags,svnrevision,date,time,onhold "1539934","4.72","","5.16","","8.36","","90","","90","","90","","203.609","","","","","","","","","","","","","2","I b a m (b,c,a)","-I 2 2c (y,z,x)","72","","Si O2","","- O2 Si -","- O2 Si -","- O8 Si4 -","4","","","Weiss, A.","Zur Kenntnis der faserigen Siliciumdioxyd-Modifikation","Zeitschrift fuer Anorganische und Allgemeine Chemie","1954","276","","95","112","","","","","","","","","","","","","","","","","","","","","","has coordinates","176429","2020-10-21","18:00:00",""