Syntheses, crystal structures and magnetic properties of four cyano-bridged bimetallic alternating chain complexes based on [CrIII(salen)(CN)2]− and [CrIII(bipy)(CN)4]− building blocks
Zhang, Qian; Zhou, Hongbo; Shen, Xiaoping; Zhou, Hu; Yang, Yuqi; New Journal of Chemistry 37 (2013) 941–; doi:10.1039/c2nj41059a

data_7053025
_publ_section_title
;
 Syntheses, crystal structures and magnetic properties of four
 cyano-bridged bimetallic alternating chain complexes based on
 [CrIII(salen)(CN)2]&#x2212; and [CrIII(bipy)(CN)4]&#x2212; building
 blocks
;
_journal_issue                   4
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              941
_journal_paper_doi               10.1039/c2nj41059a
_journal_volume                  37
_journal_year                    2013
_chemical_formula_sum            'C30 H22 Cr Mn N8 O2'
_chemical_formula_weight         633.50
_chemical_name_systematic
;
?
;
_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                90.00
_cell_angle_beta                 91.71(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5129(19)
_cell_length_b                   21.587(4)
_cell_length_c                   13.479(3)
_cell_measurement_reflns_used    11523
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.56
_cell_measurement_theta_min      2.25
_cell_volume                     2766.7(10)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker Smart Aepex CCD'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0220
_diffrn_reflns_av_sigmaI/netI    0.0281
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12178
_diffrn_reflns_theta_full        24.71
_diffrn_reflns_theta_max         24.71
_diffrn_reflns_theta_min         2.34
_exptl_absorpt_coefficient_mu    0.893
_exptl_absorpt_correction_T_max  0.8910
_exptl_absorpt_correction_T_min  0.7820
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.521
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1292
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.437
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         4677
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0294
_refine_ls_R_factor_gt           0.0267
_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^)+(0.0465P)^2^+0.8838P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0839
_reflns_number_gt                4252
_reflns_number_total             4677
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2nj41059a.txt
_cod_data_source_block           3
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2766.9(10)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7053025