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_4339501
_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         'C6 H4 Cu2 N4'
_chemical_formula_sum            'C6 H4 Cu2 N4'
_chemical_formula_weight         259.21
_chemical_name_common
;
 [(CuCN)~2~(Pdz)]
;
_chemical_name_systematic
; 
 catena-poly[!mu-pyridazinedi-!mu-cyano-)dicopper(I)]
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 109.2010(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.92800(10)
_cell_length_b                   14.6097(2)
_cell_length_c                   8.05920(10)
_cell_measurement_temperature    100(2)
_cell_volume                     770.342(19)
_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 0.951
_diffrn_measured_fraction_theta_max 0.951
_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  0.0329
_diffrn_reflns_av_sigmaI/netI    0.0182
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4117
_diffrn_reflns_theta_full        66.98
_diffrn_reflns_theta_max         66.98
_diffrn_reflns_theta_min         6.06
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.321
_exptl_absorpt_correction_T_max  0.5705
_exptl_absorpt_correction_T_min  0.2295
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.235
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.227
_refine_diff_density_min         -0.446
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.153
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     63
_refine_ls_number_reflns         661
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.0218
_refine_ls_R_factor_gt           0.0216
_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^)+(0.0255P)^2^+1.7123P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0558
_refine_ls_wR_factor_ref         0.0559
_reflns_number_gt                656
_reflns_number_total             661
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic7007057-file003.cif
_cod_data_source_block           11a
_cod_original_cell_volume        770.342(18)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4339501