# Search results of SQL query from the Crystallography Open Database # Date and time performed: 2026-05-07T17:40:21+02:00 # Query: # SELECT data.* # FROM # data # WHERE # (status is null or status != 'retracted') and # (volume = 291 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 "1000065","2.46","","2.46","","33.45","","90","","90","","120","","175.3","","","","","","","","","","","","","1","R -3 m :H","-R 3 2""","166","Graphite nitrate","Carbon","","- C -","- C -","- C12 -","12","0.333333","","Nixon, D. E.; Parry, G. S.; Ubbelohde, A. R.","Order-disorder transformations in graphite nitrates","Proceedings of the Royal Society of London, Series A: Mathematical and Physical Sciences","1966","291","1426","324","339","10.1098/rspa.1966.0098","","","","","","","","","","","","","","","","","","","","","has coordinates","297742","2025-02-14","14:18:16","" "1514084","3.142","","3.142","","7.65","","90","","90","","120","","65.404","","","","","","","","","","","","","2","P 63/m m c","-P 6c 2c","194","","Dilithium Peroxide","","- Li2 O2 -","- Li2 O2 -","- Li4 O4 -","2","0.0833333","","Föppl, H.","Die Kristallstrukturen der Alkaliperoxyde","Zeitschrift für anorganische und allgemeine Chemie","1957","291","1-4","12","50","10.1002/zaac.19572910104","","","","","","","","","","","","","","","","","","","","","has coordinates","176808","2020-10-21","18:00:00","" "1521209","9.3249","","5.4133","","9.3415","","90","","109.106","","90","","445.57","","","","","","","","","","","","","3","C 1 c 1","C -2yc","9","","Zr V2 D1.94","","- D1.94 V2 Zr -","- D1.94 V2 Zr -","- D15.52 V16 Zr8 -","8","2","","Irodova, A.V.; Suard, E.","Evolution of hydrogen superstructure with k = (1/2,1/2,1/2) in Zr V2 D2+d, -0.8