(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2005). E61, o2831-o2832 [ doi:10.1107/S1600536805024797 ]

4,5-Bis[bis(diethylamino)phosphino]-9,9-dimethylxanthene

D. J. Adams, J. Fawcett, E. G. Hope and A. M. Stuart

Online 6 August 2005

Key indicators

Single-crystal X-ray study
T = 150 K
Mean (C-C) = 0.003 Å
R factor = 0.050
wR factor = 0.139
Data-to-parameter ratio = 16.1

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT027_ALERT_3_B _diffrn_reflns_theta_full (too) Low ............      24.99 Deg.  
PLAT220_ALERT_2_B Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       4.26 Ratio 
PLAT222_ALERT_3_B Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       4.35 Ratio 

Alert level C
PLAT062_ALERT_4_C Rescale T(min) & T(max) by .....................       1.01       
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT230_ALERT_2_C Hirshfeld Test Diff for    N2     -   C20     ..       5.51 su    
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        C28     

   0 ALERT level A = In general: serious problem
   3 ALERT level B = Potentially serious problem
   4 ALERT level C = Check and explain
   0 ALERT level G = General alerts; check

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   3 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 ALERT type 3 Indicator that the structure quality may be low
   2 ALERT type 4 Improvement, methodology, query or suggestion