Copper(I) cyanide networks: synthesis, luminescence behavior and thermal analysis. Part 1. Diimine ligands.
Tronic, Tristan A.; deKrafft, Kathryn E; Lim, Mi Jung; Ley, Amanda N.; Pike, Robert D.; Inorganic chemistry 46 (2007) 8897–8912; doi:10.1021/ic7007057

data_4339497
_publ_section_title
;
 Copper(I) cyanide networks: synthesis, luminescence behavior and thermal
 analysis. Part 1. Diimine ligands.
;
_journal_issue                   21
_journal_name_full               'Inorganic chemistry'
_journal_page_first              8897
_journal_page_last               8912
_journal_paper_doi               10.1021/ic7007057
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C7.50 H4 Cu3.50 N5.50'
_chemical_formula_sum            'C7.5 H4 Cu3.5 N5.5'
_chemical_formula_weight         393.55
_chemical_name_common
;
 [(CuCN)~7~(Pym)~2~]
;
_chemical_name_systematic
; 
 catena-poly[!mu-dipyrimidinehepta-!mu-cyano-)heptacopper(I)]
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                91.8460(10)
_cell_angle_beta                 97.9390(10)
_cell_angle_gamma                108.8150(10)
_cell_formula_units_Z            2
_cell_length_a                   6.78780(10)
_cell_length_b                   8.77390(10)
_cell_length_c                   9.33840(10)
_cell_measurement_temperature    100(2)
_cell_volume                     519.639(12)
_computing_cell_refinement       'SAINTPLUS (Bruker AXS, 2004)'
_computing_data_collection       'APEX2 (Bruker AXS, 2004)'
_computing_data_reduction        SAINTPLUS
_computing_molecular_graphics    'ORTEP3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'XSHELL (Bruker, 2004)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Bruker SMART Apex II CCD'
_diffrn_measurement_method       '\w and \y'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0442
_diffrn_reflns_av_sigmaI/netI    0.0355
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            8958
_diffrn_reflns_theta_full        66.96
_diffrn_reflns_theta_max         66.96
_diffrn_reflns_theta_min         4.80
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.995
_exptl_absorpt_correction_T_max  0.7404
_exptl_absorpt_correction_T_min  0.2722
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.515
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             378
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.930
_refine_diff_density_min         -0.740
_refine_diff_density_rms         0.153
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.141
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     153
_refine_ls_number_reflns         1791
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.141
_refine_ls_R_factor_all          0.0332
_refine_ls_R_factor_gt           0.0329
_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^)+(0.0470P)^2^+0.7838P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0835
_refine_ls_wR_factor_ref         0.0838
_reflns_number_gt                1774
_reflns_number_total             1791
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic7007057-file003.cif
_cod_data_source_block           6a
_cod_original_cell_volume        519.638(11)
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C7.50 H4 Cu3.50 N5.50'
_cod_database_code               4339497