An unprecedented "linear-bent" isomerism in tri-nuclear Cu(2)(II)Zn(II) complexes with a salen type di-Schiff base ligand.
Das, Lakshmi Kanta; Park, Sung-Woo; Cho, Seung Joo; Ghosh, Ashutosh; Dalton transactions (Cambridge, England : 2003) 41 (2012) 11009–11017; doi:10.1039/c2dt31011b

data_7020016
_publ_section_title
;
 An unprecedented &quot;linear-bent&quot; isomerism in tri-nuclear
 Cu(2)(II)Zn(II) complexes with a salen type di-Schiff base ligand.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11009
_journal_page_last               11017
_journal_paper_doi               10.1039/c2dt31011b
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C34 H32 Cu2 N10 O4 Zn'
_chemical_formula_weight         837.19
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 102.039(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            2
_cell_length_a                   9.453(5)
_cell_length_b                   11.123(5)
_cell_length_c                   15.869(5)
_cell_measurement_reflns_used    23309
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      31.2
_cell_measurement_theta_min      2.3
_cell_volume                     1631.9(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WINGX V1.80.03'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0294
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23309
_diffrn_reflns_theta_full        31.16
_diffrn_reflns_theta_max         31.16
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    2.078
_exptl_absorpt_correction_T_max  0.6813
_exptl_absorpt_correction_T_min  0.5938
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    1.704
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Hexagonal
_exptl_crystal_F_000             852
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.319
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         5181
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0516
_refine_ls_R_factor_gt           0.0309
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0394P)^2^+0.2601P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0744
_refine_ls_wR_factor_ref         0.0813
_reflns_number_gt                3851
_reflns_number_total             5181
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31011b.txt
_cod_data_source_block           1B
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'EMPIRICAL'
changed to 'empirical' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7020016