Acta Cryst. (2005). E61, o1927-o1929  [ doi:10.1107/S1600536805016624 ]

The monoclinic form of 2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dithione dimethylacetamide disolvate

T. Hoki, T. Senju and J. Mizuguchi

Online 31 May 2005

Key indicators

• Single-crystal X-ray study
• T = 93 K
• Mean (C-C) = 0.003 Å
• R factor = 0.044
• wR factor = 0.137
• Data-to-parameter ratio = 13.2

checkCIF/PLATON results

No syntax errors found



Alert level A
PLAT029_ALERT_3_A _diffrn_measured_fraction_theta_full Low .......       0.92       

Alert level C
REFLT03_ALERT_3_C  Reflection count < 95% complete
           From the CIF: _diffrn_reflns_theta_max           68.24
           From the CIF: _diffrn_reflns_theta_full          68.24
           From the CIF: _reflns_number_total               4612
           TEST2: Reflns within _diffrn_reflns_theta_max
           Count of symmetry unique reflns         5004
           Completeness (_total/calc)             92.17%
PLAT022_ALERT_3_C Ratio Unique / Expected Reflections too Low ....       0.92       
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....       2.13       

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

   1 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
   3 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion

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