Luminescent properties of three structures built from 3-cyano-4-dicyanomethylene-5-oxo-4,5-dihydro-1<i>H</i>-pyrrol-2-olate and cadmium
Tafeenko, Viktor A.; Panin, Gennady N.; Baranov, Andrey N.; Bardasov, Ivan N.; Aslanov, Leonid A.; Acta Crystallographica Section C 63 (2007) m541–m547; doi:10.1107/S0108270107045453

data_2016313
_publ_section_title
;
 Luminescent properties of three structures built from
 3-cyano-4-dicyanomethylene-5-oxo-4,5-dihydro-1<i>H</i>-pyrrol-2-olate
 and cadmium
;
_journal_coeditor_code           GA3063
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m541
_journal_page_last               m547
_journal_paper_doi               10.1107/S0108270107045453
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '[Cd (C8 H1 N4 O2)2 (H2 O1)4], C4 H8 O2'
_chemical_formula_moiety         'C16 H10 Cd N8 O8, C4 H8 O2'
_chemical_formula_sum            'C20 H18 Cd N8 O10'
_chemical_formula_weight         642.83
_chemical_melting_point          200
_chemical_name_systematic
;
tetraaquabis(3-cyano-4-dicyanomethylene-5-oxo-4,5-dihydro-1H-pyrrol-2-\
olato)cadmium(II) 1,4-dioxane solvate
;
_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                84.61(2)
_cell_angle_beta                 72.523(10)
_cell_angle_gamma                88.340(10)
_cell_formula_units_Z            1
_cell_length_a                   6.9511(10)
_cell_length_b                   8.4052(12)
_cell_length_c                   11.3293(16)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      17
_cell_measurement_theta_min      12
_cell_volume                     628.57(16)
_computing_cell_refinement       'CAD-4 Software (Enraf--Nonius, 1989)'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2000)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      295(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  0.0180
_diffrn_reflns_av_sigmaI/netI    0.0891
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3173
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         1.89
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.939
_exptl_absorpt_correction_T_max  0.9545
_exptl_absorpt_correction_T_min  0.9119
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.698
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             322
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.610
_refine_diff_density_min         -0.585
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.977
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     178
_refine_ls_number_reflns         3022
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.977
_refine_ls_R_factor_all          0.0813
_refine_ls_R_factor_gt           0.0525
_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^)+(0.0463P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1017
_refine_ls_wR_factor_ref         0.1141
_reflns_number_gt                2239
_reflns_number_total             3022
_reflns_threshold_expression     >\s(I)
_cod_data_source_file            ga3063.cif
_cod_data_source_block           II
_cod_database_code               2016313
_cod_database_fobs_code          2016313