N,N′-Dimethylene-2,2′-biimidazole—A Mimic of Carboxylate for the Formation of Complexes with Copper(I) And the Anion Directed Formation of a Solvent Pocket
Ferguson, Jayne L.; Fitchett, Christopher M.; Crystal Growth & Design 15 (2015) 1280–; doi:10.1021/cg5016803

data_4512658
_publ_section_title
;
 N,N&#x2032;-Dimethylene-2,2&#x2032;-biimidazole---A Mimic of Carboxylate
 for the Formation of Complexes with Copper(I) And the Anion Directed
 Formation of a Solvent Pocket
;
_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1280
_journal_paper_doi               10.1021/cg5016803
_journal_volume                  15
_journal_year                    2015
_chemical_formula_moiety         'C8 H8 Cu2 I2 N4'
_chemical_formula_sum            'C8 H8 Cu2 I2 N4'
_chemical_formula_weight         541.06
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_audit_creation_date             2014-09-17
_audit_creation_method
;
Olex2 1.2
(compiled 2014.08.28 svn.r2986 for OlexSys, GUI svn.r4874)
;
_cell_angle_alpha                90
_cell_angle_beta                 111.4780(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.7533(3)
_cell_length_b                   16.7961(4)
_cell_length_c                   7.9741(2)
_cell_measurement_reflns_used    9918
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      32.33
_cell_measurement_theta_min      2.55
_cell_volume                     1215.58(6)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0447
_diffrn_reflns_av_unetI/netI     0.0237
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            32194
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.997
_diffrn_reflns_theta_min         3.001
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.554
_exptl_absorpt_correction_T_max  0.7470
_exptl_absorpt_correction_T_min  0.6260
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0677 before and 0.0525 after correction.
The Ratio of minimum to maximum transmission is 0.8380.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    2.956
_exptl_crystal_description       block
_exptl_crystal_F_000             992
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.653
_refine_diff_density_min         -0.826
_refine_diff_density_rms         0.133
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         3542
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0269
_refine_ls_R_factor_gt           0.0206
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0144P)^2^+2.2677P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0418
_refine_ls_wR_factor_ref         0.0437
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3109
_reflns_number_total             3542
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cg5016803_si_002.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 4512656--4512665.cif.'
_cod_database_code               4512658
_shelxl_version_number           2013-2
_shelx_estimated_absorpt_t_max   0.726
_shelx_estimated_absorpt_t_min   0.548
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C6(H6A,H6B), C7(H7A,H7B)
2.b Aromatic/amide H refined with riding coordinates:
 C4(H4), C11(H11), C5(H5), C12(H12)
;
_olex2_submission_special_instructions 'No special instructions were received'