# Search results of SQL query from the Crystallography Open Database
# Date and time performed: 2026-09-01T00:36:06+02:00
# Query:
# SELECT data.*
# FROM
#  data JOIN jaltnames
#  ON altname = journal
# WHERE
#  (status is null or status != 'retracted') and
#  (journal_id IN (SELECT DISTINCT(journal_id) FROM jaltnames WHERE altname LIKE 'Nature (London)') AND volume = 222 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
"1539501","5.721","","5.721","","10.095","","90","","90","","90","","330.408","","","","","","","","","","","","","3","I -4 2 d","I -4 2bw","122","","Mg Si P2","","- Mg P2 Si -","- Mg P2 Si -","- Mg4 P8 Si4 -","4","0.25","","Springthorpe, A.J.; Harrison, J.G.","Mg Si P2: a new member of the II IV V2 family of semiconducting compounds","Nature (London)","1969","222","","977","977","10.1038/222977a0","","","","","","","","","","","","","","","","","","","","","has coordinates","280127","2023-01-05","16:34:19",""