# Search results of SQL query from the Crystallography Open Database # Date and time performed: 2026-05-08T05:55:54+02:00 # Query: # SELECT data.* # FROM # data # WHERE # (status is null or status != 'retracted') and # (sg LIKE 'P m 21 b' 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 "1541028","5.737","","19.874","","7.396","","90","","90","","90","","843.271","","","","","","","","","","","","","5","P m 21 b","P -2b -2","26","","Na Ba6 Nd (Si O4)4","","- Ba6 Na Nd O16 Si4 -","- Ba6 Na Nd O16 Si4 -","- Ba12 Na2 Nd2 O32 Si8 -","2","0.5","","Tamazyan, R.A.; Malinovskii, Yu.A.","Crystal structure of Na Ba6 Nd (Si O4)4","Doklady Akademii Nauk SSSR","1987","294","","1377","1380","","","","","","","","","","","","","","","","","","","","","","has coordinates","176429","2020-10-21","18:00:00","" "2106049","3.924","","11.509","","20.219","","90","","90","","90","","913.117","","","","","","","","","","","","","3","P m 21 b","P -2b -2","26","","Eu5 Sn3 S12","","- Eu5 S12 Sn3 -","- Eu5 S12 Sn3 -","- Eu10 S24 Sn6 -","2","0.5","","Jaulmes, S.; Julien-Pouzol, M.","Structure cristalline du sulfure mixte d'europium et d'etain Eu5 Sn3 S12","Acta Crystallographica B (24,1968-38,1982)","1977","33","","1191","1193","","","","","","","","","","","","","","","","","","","","","","has coordinates","176428","2020-10-21","18:00:00","" "2106475","8.045","","8.468","","7.375","","90","","90","","90","","502.422","","","","","","","","","","","","","4","P m 21 b","P -2b -2","26","","N H4 U3 F13","","- F13 H4 N U3 -","- F13 N U3 -","- F26 N2 U6 -","2","0.5","","Abazli, H.; Cousson, A.; Tabuteau, A.; Pages, M.","Fluorure d'Ammonium et d'Uranium(IV): N H4 U3 F13","Acta Crystallographica B (24,1968-38,1982)","1980","36","","2765","2766","","","","","","","","","","","","","","","","","","","","","","has coordinates","176429","2020-10-21","18:00:00",""