# Search results of SQL query from the Crystallography Open Database
# Date and time performed: 2026-07-24T21:44:32+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 'Tetrahedron Letters') AND volume = 52 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
"1548692","22.3365","0.0007","13.2652","0.0004","18.354","0.0005","90","","99.73","0.002","90","","5360","0.3","150","2","150","2","","","","","","","","4","P 1 21/c 1","-P 2ybc","14","","","","- C28 H38 O3 Si2 -","- C28 H38 O3 Si2 -","- C224 H304 O24 Si16 -","8","2","","Rajesh Kumar Patti; Shaofeng Duan; Zhipeng Wang; James W. Herndon","Preparation of phenalenes and hydronaphthacenes through tandem alkyne Fischer-carbene complex coupling and inter- or intramolecular Diels-Alder reactions","Tetrahedron Letters","2011","52","","4182","4185","10.1016/j.tetlet.2011.06.006","","","0.71073","MoKα","","0.1166","0.1024","","","0.2624","0.272","","","","","","1.1","","","","has coordinates,has disorder","205248","2020-10-21","18:00:00",""