# Search results of SQL query from the Crystallography Open Database
# Date and time performed: 2026-08-03T12:13:10+02:00
# Query:
# SELECT data.*
# FROM
#  data 
# WHERE
#  (status is null or status != 'retracted') and
#  (sg LIKE 'P 4 b m (a,b,2*c)' 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
"2310763","12.4476","0.0004","12.4476","0.0004","7.9291","0.0004","90","","90","","90","","1228.56","0.08","293","","293","","","","","","","","","4","P 4 b m (a,b,2*c)","P 4 -2ab (x,y,1/2*z)","100","","","","- Ba0.761 Ca0.239 Nb2 O6 -","- Ba0.761 Ca0.23536 Nb2 O6 -","- Ba7.61 Ca2.3536 Nb20 O60 -","10","","DK5023","Graetsch, Heribert A.; Pandey, Chandra Shehkar; Schreuer, Jürgen; Burianek, Manfred; Mühlberg, Manfred","Incommensurate modulations of relaxor ferroelectric Ca0.24Ba0.76Nb2O6 (CBN24) and Ca0.31Ba0.69Nb2O6 (CBN31)","Acta Crystallographica, Section B: Structural Science, Crystal Engineering and Materials","2014","70","4","743","749","10.1107/S2052520614011676","","","0.7107","MoKα","","0.032","0.0266","","","0.0373","0.039","","","","1.6","1.6","1.48","","","","has coordinates","201409","2020-10-21","18:00:00",""
"2310764","12.4608","0.0005","12.4608","0.0005","7.9185","0.0007","90","","90","","90","","1229.52","0.13","293","","293","","","","","","","","","4","P 4 b m (a,b,2*c)","P 4 -2ab (x,y,1/2*z)","100","","","","- Ba0.693 Ca0.307 Nb2 O6 -","- Ba0.69456 Ca0.30672 Nb2 O6 -","- Ba6.9456 Ca3.0672 Nb20 O60 -","10","","DK5023","Graetsch, Heribert A.; Pandey, Chandra Shehkar; Schreuer, Jürgen; Burianek, Manfred; Mühlberg, Manfred","Incommensurate modulations of relaxor ferroelectric Ca0.24Ba0.76Nb2O6 (CBN24) and Ca0.31Ba0.69Nb2O6 (CBN31)","Acta Crystallographica, Section B: Structural Science, Crystal Engineering and Materials","2014","70","4","743","749","10.1107/S2052520614011676","","","0.7107","MoKα","","0.0317","0.0296","","","0.0459","0.0467","","","","2.11","2.11","2.02","","","","has coordinates","201409","2020-10-21","18:00:00",""
"2311739","12.4693","0.0003","12.4693","0.0003","7.9006","0.0003","90","","90","","90","","1228.41","0.06","293","","293","","","","","","","","","4","P 4 b m (a,b,2*c)","P 4 -2ab (x,y,1/2*z)","100","","","","- Ba0.476 Nb2 O6 Sr0.524 -","- Ba0.47816 Nb2 O6 Sr0.52328 -","- Ba4.7816 Nb20 O60 Sr5.2328 -","10","","","Graetsch, Heribert A.","Structural changes of relaxor ferroelectric Sr<sub>0.52</sub>Ba<sub>0.48</sub>Nb<sub>2</sub>O<sub>6</sub> (SBN52) on quenching and reheating.","Acta crystallographica Section B, Structural science, crystal engineering and materials","2017","73","Pt 5","820","826","10.1107/S2052520617007880","","","0.71073","MoKα","","0.0645","0.0271","","","0.0357","0.0421","","","","1.59","1.59","1.18","","","","has coordinates","246098","2020-10-21","18:00:00",""
"2311740","12.4629","0.0003","12.4629","0.0003","7.9032","0.0003","90","","90","","90","","1227.56","0.06","293","","293","","","","","","","","","4","P 4 b m (a,b,2*c)","P 4 -2ab (x,y,1/2*z)","100","","","","- Ba0.47 Nb2 O6 Sr0.53 -","- Ba0.4784 Nb2 O6 Sr0.52328 -","- Ba4.784 Nb20 O60 Sr5.2328 -","10","","","Graetsch, Heribert A.","Structural changes of relaxor ferroelectric Sr<sub>0.52</sub>Ba<sub>0.48</sub>Nb<sub>2</sub>O<sub>6</sub> (SBN52) on quenching and reheating.","Acta crystallographica Section B, Structural science, crystal engineering and materials","2017","73","Pt 5","820","826","10.1107/S2052520617007880","","","0.71073","MoKα","","0.0899","0.029","","","0.0365","0.0464","","","","1.47","1.47","1.11","","","","has coordinates","246098","2020-10-21","18:00:00",""