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_4339502
_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           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.1652(14)
_cell_length_b                   7.6387(15)
_cell_length_c                   29.683(6)
_cell_measurement_temperature    100(2)
_cell_volume                     1624.6(6)
_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 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0391
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            18398
_diffrn_reflns_theta_full        67.00
_diffrn_reflns_theta_max         67.00
_diffrn_reflns_theta_min         2.98
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.995
_exptl_absorpt_correction_T_max  0.5855
_exptl_absorpt_correction_T_min  0.5332
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.120
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.489
_refine_diff_density_min         -0.881
_refine_diff_density_rms         0.136
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.56(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.253
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         2867
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.253
_refine_ls_R_factor_all          0.0442
_refine_ls_R_factor_gt           0.0440
_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^)+(0.0001P)^2^+11.5303P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1009
_refine_ls_wR_factor_ref         0.1010
_reflns_number_gt                2851
_reflns_number_total             2867
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic7007057-file003.cif
_cod_data_source_block           11c
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4339502