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Acta Cryst. (2011). E67, o380-o381  [ doi:10.1107/S1600536810052839 ]

1,1'-[4-(2,4-Dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-diyl]diethanone

J. K. Sundar, B. P. Reddy, V. Vijayakumar, S. Natarajan, J. Suresh and P. L. N. Lakshman

Online 15 January 2011


Key indicators

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Alert level C SHFSU01_ALERT_2_C Test not performed. _refine_ls_shift/su_max and _refine_ls_shift/esd_max not present. Absolute value of the parameter shift to su ratio given 0.001 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C11 PLAT480_ALERT_4_C Long H...A H-Bond Reported H17 .. CL2 .. 2.92 Ang. PLAT755_ALERT_4_C D-H Calc 0.93000, Rep 0.930(10) ...... Senseless su C17 -H17 1.555 1.555 # 40 PLAT756_ALERT_4_C H...A Calc 2.92000, Rep 2.9180(10) ...... Senseless su H17 -CL2 1.555 3.665 # 40
Alert level G PLAT128_ALERT_4_G Alternate Setting of Space-group P21/c ....... P21/n PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 5 ALERT level C = Check and explain 3 ALERT level G = General alerts; check 2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 2 ALERT type 2 Indicator that the structure model may be wrong or deficient 0 ALERT type 3 Indicator that the structure quality may be low 4 ALERT type 4 Improvement, methodology, query or suggestion 0 ALERT type 5 Informative message, check
checkCIF publication errors
Alert level A PUBL024_ALERT_1_A The number of authors is greater than 5. Please specify the role of each of the co-authors for your paper.
Author Response: 1st and 2nd authors are students involved in the synthesis,preparation of the sample and basic crystallography, 3rd author is the supervisor of 2nd author and 4th and 5th authors are supervisor and co-supervisors of 1st author involved in the x-ray and other spectroscopic characterization. 6th author is involved in final crystallography and writeup (also involved in the biological study).

1 ALERT level A = Data missing that is essential or data in wrong format 0 ALERT level G = General alerts. Data that may be required is missing

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