(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2004). E60, o537-o538 [ doi:10.1107/S1600536804004805 ]

Dimethyl 7-(N,N-dimethylamino)-3-(4-methylbenzoyl)indolizine-1,2-dicarboxylate

R. Hema, V. Parthasarathi, K. Ravikumar, K. Sarkunam and M. Nallu

Online 13 March 2004

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.004 Å
R factor = 0.057
wR factor = 0.156
Data-to-parameter ratio = 15.2

checkCIF/PLATON results

No syntax errors found



Alert level A
REFLT03_ALERT_3_A  Reflection count < 85% complete (theta max?)
           From the CIF: _diffrn_reflns_theta_max           28.07
           From the CIF: _diffrn_reflns_theta_full           0.00
           From the CIF: _reflns_number_total               8081
           TEST2: Reflns within _diffrn_reflns_theta_max
           Count of symmetry unique reflns         9742
           Completeness (_total/calc)             82.95%
PLAT029_ALERT_3_A _diffrn_measured_fraction_theta_full Low .......       0.83       

Alert level C
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.70 Ratio 

   2 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   2 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
   1 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
   1 ALERT type 4 Improvement, methodology, query or suggestion