Acta Cryst. (2005). E61, m2390-m2392  [ doi:10.1107/S1600536805033593 ]

A new Schiff base-copper(II) complex: [N-(2-hydroxyethyl)-N'-(2-oxidobenzylidene)ethylenediamine-1⁴O,N,N',O'][-N-(2-oxidobenzylidene)-N'-(2-oxidoethyl)ethylenediamine-1O:2⁴O,N,N',O']dicopper(II) perchlorate methanol solvate

G.-J. Xu, L. Feng, S.-P. Yan, D.-Z. Liao, Z.-H. Jiang and P. Cheng

Online 27 October 2005

Key indicators

• Single-crystal X-ray study
• T = 294 K
• Mean (C-C) = 0.007 Å
• Disorder in solvent or counterion
• R factor = 0.045
• wR factor = 0.125
• Data-to-parameter ratio = 13.7

checkCIF/PLATON results

No syntax errors found




Alert level C
ABSTM02_ALERT_3_C  The ratio of expected to reported Tmax/Tmin(RR') is < 0.90
            Tmin and Tmax reported:      0.568     0.762
            Tmin(prime) and Tmax expected:      0.659     0.762
            RR(prime) =      0.862
            Please check that your absorption correction is appropriate.
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT061_ALERT_3_C Tmax/Tmin Range Test RR' too Large .............       0.85       
PLAT221_ALERT_4_C Large Solvent/Anion  O     Ueq(max)/Ueq(min) ...       3.51 Ratio 
PLAT244_ALERT_4_C Low   'Solvent' Ueq as Compared to Neighbors for        Cl1     
PLAT302_ALERT_4_C Anion/Solvent Disorder .........................      23.00 Perc. 
PLAT341_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          7       
PLAT420_ALERT_2_C D-H Without Acceptor       N4     -   H4A    ...          ?       

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   8 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
   3 ALERT type 4 Improvement, methodology, query or suggestion


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.

   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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