Metal−Metal Interactions in Stacked Mononuclear and Dinuclear Rhodium 2,2′-Biimidazole Carbonyl Complexes
Laurila, Elina; Oresmaa, Larisa; Niskanen, Mika; Hirva, Pipsa; Haukka, Matti; Crystal Growth & Design 10 (2010) 3775–; doi:10.1021/cg100606f

data_4501880
_publ_section_title
;
 Metal&#x2212;Metal Interactions in Stacked Mononuclear and Dinuclear
 Rhodium 2,2&#x2032;-Biimidazole Carbonyl Complexes
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3775
_journal_paper_doi               10.1021/cg100606f
_journal_volume                  10
_journal_year                    2010
_chemical_formula_moiety         'C8 H6 N4 O2 Rh, B F4'
_chemical_formula_sum            'C8 H6 B F4 N4 O2 Rh'
_chemical_formula_weight         379.89
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   mixed
_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                   17.8558(9)
_cell_length_b                   6.5035(4)
_cell_length_c                   20.0646(13)
_cell_measurement_reflns_used    7465
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.41
_cell_measurement_theta_min      2.28
_cell_volume                     2330.0(2)
_computing_cell_refinement       'SAINT (Bruker AXS, 2009)'
_computing_data_collection       'APEX2 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT (Bruker AXS, 2009)'
_computing_molecular_graphics    'Diamond v.3.2c (Brandenburg, 2009)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device
'62mm x 62mm CCD camera on three-circle goniostat'
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       '\f scans and \w scans'
_diffrn_radiation_monochromator  'flat graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0559
_diffrn_reflns_av_sigmaI/netI    0.0324
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            29546
_diffrn_reflns_theta_full        30.55
_diffrn_reflns_theta_max         30.55
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    1.525
_exptl_absorpt_correction_T_max  0.9127
_exptl_absorpt_correction_T_min  0.7979
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            'metallic brownish'
_exptl_crystal_density_diffrn    2.166
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.150
_refine_diff_density_min         -0.850
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         3568
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0404
_refine_ls_R_factor_gt           0.0271
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0335P)^2^+0.8760P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0622
_refine_ls_wR_factor_ref         0.0682
_reflns_number_gt                2838
_reflns_number_total             3568
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100606f_si_002.cif
_cod_data_source_block           3
_cod_database_code               4501880