Synthesis and Structural Characterization of Tris(2-seleno-1-mesitylimidazolyl)hydroborato Complexes: A New Type of Strongly Electron Donating Tripodal Selenium Ligand
G. Parkin; Victoria K. Landry; Luciano Marchio; Jonathan G. Melnick; Mao Minoura; Keliang Pang; Chemical Communications  (2006) –; doi:10.1039/b608078b

data_7101430
_publ_section_title
;
Synthesis and Structural Characterization of
Tris(2-seleno-1-mesitylimidazolyl)hydroborato Complexes: A New Type of
Strongly Electron Donating Tripodal Selenium Ligand
;
_journal_issue                   38
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/b608078b
_journal_year                    2006
_chemical_formula_sum            'C84 H98 B2 Cu2 N18 Se6'
_chemical_formula_weight         1982.26
_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                69.291(4)
_cell_angle_beta                 81.177(3)
_cell_angle_gamma                63.195(4)
_cell_formula_units_Z            1
_cell_length_a                   13.111(3)
_cell_length_b                   13.614(3)
_cell_length_c                   15.098(3)
_cell_measurement_temperature    263(2)
_cell_volume                     2249.9(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      263(2)
_diffrn_measured_fraction_theta_full 0.924
_diffrn_measured_fraction_theta_max 0.924
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0309
_diffrn_reflns_av_sigmaI/netI    0.0710
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9128
_diffrn_reflns_theta_full        23.26
_diffrn_reflns_theta_max         23.26
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    2.952
_exptl_absorpt_correction_T_max  0.7567
_exptl_absorpt_correction_T_min  0.5898
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.014
_refine_diff_density_min         -0.667
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.245
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     512
_refine_ls_number_reflns         5974
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.245
_refine_ls_R_factor_all          0.0851
_refine_ls_R_factor_gt           0.0508
_refine_ls_shift/su_max          0.110
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1098
_refine_ls_wR_factor_ref         0.1169
_reflns_number_gt                3986
_reflns_number_total             5974
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b608078b.txt
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed to
'constr' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7101430