(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2010). E66, o554 [ doi:10.1107/S160053681000382X ]

Methyl 4-(2,7-dimethoxy-1-naphthoyl)benzoate

D. Hijikata, K. Nakaema, S. Watanabe, A. Okamoto and N. Yonezawa

Online 6 February 2010

Key indicators

Single-crystal X-ray study
T = 193 K
Mean (C-C) = 0.002 Å
R factor = 0.037
wR factor = 0.117
Data-to-parameter ratio = 12.8

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C4     --  C5      ..       5.19 su

Author Response: Assigned atomic sites was correct. And the molecular structure of the title compound has been confirmed by ^1^H and ^13^C NMR spectra, IR spectrum, and elemental analysis, as described in _publ_section_exptl_prep section.

PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L=  0.600         44      
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600          4      

Alert level G
PLAT154_ALERT_1_G The su's on the Cell Angles are Equal  (x 10000)        200 Deg. 

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   3 ALERT level C = Check and explain
   1 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
   1 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check