Novel cyano-bridged mixed-valent copper complexes formed by completely in situ synthetic method via the cleavage of C-C bond in acetonitrile.
Xu, Feng; Huang, Wei; You, Xiao-Zeng; Dalton transactions (Cambridge, England : 2003) 39 (2010) 10652–10658; doi:10.1039/c0dt00345j

data_7026334
_publ_section_title
;
 Novel cyano-bridged mixed-valent copper complexes formed by completely in
 situ synthetic method via the cleavage of C-C bond in acetonitrile.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10652
_journal_page_last               10658
_journal_paper_doi               10.1039/c0dt00345j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C21 H16 Cu N5, Cl O4'
_chemical_formula_sum            'C21 H16 Cl Cu N5 O4'
_chemical_formula_weight         501.38
_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                 110.524(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.304(3)
_cell_length_b                   11.451(2)
_cell_length_c                   14.804(3)
_cell_measurement_reflns_used    2259
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      21.266
_cell_measurement_theta_min      2.307
_cell_volume                     2112.1(7)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (BRUKER 2000)'
_computing_data_reduction        'SAINT (BRUKER 2000)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker CCD area detector'
_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  0.0583
_diffrn_reflns_av_sigmaI/netI    0.0596
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10390
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.31
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.200
_exptl_absorpt_correction_T_max  0.8894
_exptl_absorpt_correction_T_min  0.8500
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker(2000)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.577
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1020
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.928
_refine_diff_density_min         -0.482
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.942
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         3721
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.942
_refine_ls_R_factor_all          0.0973
_refine_ls_R_factor_gt           0.0637
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1212P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1747
_refine_ls_wR_factor_ref         0.1935
_reflns_number_gt                2247
_reflns_number_total             3721
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00345j.txt
_cod_data_source_block           5
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7026334