Acta Cryst. (2002). E58, o20-o23  [ doi:10.1107/S1600536801020463 ]

2,2-[2,2'-Methylenebis(4-nitrophenoxy)]-4,6-[2,2'-methylenebis(4-nitrophenoxy)]-4,6-dichloro-1,3,5,2⁵,4⁵,6⁵-triazatriphosphorine (spiro-ansa) acetonitrile

L. Öztürk, T. Hökelek, H. Dal and Z. Kiliç

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.007 Å
• R factor = 0.067
• wR factor = 0.194
• Data-to-parameter ratio = 13.7

checkCIF results

No syntax errors found
GLOBAL _publ field problems




 Alert Level A:


ATOM_001  Alert A _atom_type_scat_source is missing                             
           Reference to scattering factors applied.                              

ADDSYM reports no extra symmetry


 Alert Level C:



PLAT_161  Alert C Missing or Zero su (esd) on x-coordinate for .       N8

PLAT_161  Alert C Missing or Zero su (esd) on x-coordinate for .       C27

PLAT_161  Alert C Missing or Zero su (esd) on x-coordinate for .       C28

PLAT_162  Alert C Missing or Zero su (esd) on y-coordinate for .       N8

PLAT_162  Alert C Missing or Zero su (esd) on y-coordinate for .       C27

PLAT_162  Alert C Missing or Zero su (esd) on y-coordinate for .       C28

PLAT_163  Alert C Missing or Zero su (esd) on z-coordinate for .       N8

PLAT_163  Alert C Missing or Zero su (esd) on z-coordinate for .       C27

PLAT_163  Alert C Missing or Zero su (esd) on z-coordinate for .       C28


 1 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 9 Alert Level C = Please check

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