The luminescent properties of structures built from 3-cyano-4-dicyanomethylene-5-oxo-4,5-dihydro-1H-pyrrole-2-olate and copper(I,II) cations
Gurskiy, Stanislav I.; Tafeenko, Viktor A.; CrystEngComm 14 (2012) 2721–; doi:10.1039/c2ce06238k

data_7207532
_publ_section_title
;
 The luminescent properties of structures built from
 3-cyano-4-dicyanomethylene-5-oxo-4,5-dihydro-1H-pyrrole-2-olate and
 copper(I,II) cations
;
_journal_issue                   8
_journal_name_full               CrystEngComm
_journal_page_first              2721
_journal_paper_doi               10.1039/c2ce06238k
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C10 H4 Cu N5 O2'
_chemical_formula_sum            'C10 H4 Cu N5 O2'
_chemical_formula_weight         289.72
_chemical_melting_point          390
_chemical_name_systematic
;
acetonitrile(3-cyano-4-dicyanomethylene-5-oxo-4,5-dihydro-1H-pyrrol-2-
olato)copper(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                84.82(2)
_cell_angle_beta                 74.28(2)
_cell_angle_gamma                88.30(2)
_cell_formula_units_Z            2
_cell_length_a                   7.378(2)
_cell_length_b                   8.246(3)
_cell_length_c                   9.217(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      16
_cell_measurement_theta_min      13
_cell_volume                     537.6(3)
_computing_cell_refinement       'CAD-4 Software (Enraf-Nonius, 1989'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989'
_computing_data_reduction        'XCAD-4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2000; '
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4 diffractometr'
_diffrn_measurement_method       'non-profiled omega scan'
_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  0.0197
_diffrn_reflns_av_sigmaI/netI    0.0433
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2746
_diffrn_reflns_theta_full        27.96
_diffrn_reflns_theta_max         27.96
_diffrn_reflns_theta_min         2.30
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    2.032
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            RED
_exptl_crystal_density_diffrn    1.790
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             288
_exptl_crystal_size_max          .2
_exptl_crystal_size_mid          .1
_exptl_crystal_size_min          .1
_refine_diff_density_max         0.384
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2586
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0540
_refine_ls_R_factor_gt           0.0311
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0427P)^2^+0.2160P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0792
_refine_ls_wR_factor_ref         0.0864
_reflns_number_gt                2056
_reflns_number_total             2586
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06238k.txt
_cod_data_source_block           cu_x
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7207532