Synthetic and Structural Investigations of Monomeric Dilithium Boraamidinates and Bidentate NBNCN Ligands with Bulky N-Bonded Groups
T. Chivers; C. Fedorchuk; M. Parvez; Inorganic Chemistry 43 (2004) 2643–2653; doi:10.1021/ic0352755

data_4310841
_publ_section_title
;
 Synthetic and Structural Investigations of Monomeric Dilithium
 Boraamidinates and Bidentate NBNCN Ligands with Bulky N-Bonded Groups
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2643
_journal_page_last               2653
_journal_paper_doi               10.1021/ic0352755
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C62 H87 B2 N4 O0.5'
_chemical_formula_weight         917.98
_chemical_name_systematic
;
 ?
;
_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                67.634(6)
_cell_angle_beta                 88.134(6)
_cell_angle_gamma                82.276(9)
_cell_formula_units_Z            2
_cell_length_a                   11.092(2)
_cell_length_b                   15.078(2)
_cell_length_c                   19.185(3)
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      3.00
_cell_volume                     2939.7(8)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics
'Cameron (WinGX v1.64-04), Ortep (SHELXTL-NT v5.1, Bruker)'
_computing_publication_material  'WinGX v1.64-05 (L.J. Farrugia)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Kappa CCD (Nonius, FR540C)'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0346
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            19623
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.98
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_T_max  0.9964
_exptl_absorpt_correction_T_min  0.9882
_exptl_absorpt_correction_type   'multi-scan method'
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.037
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1002
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.392
_refine_diff_density_min         -0.723
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.105
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     606
_refine_ls_number_reflns         10278
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.105
_refine_ls_R_factor_all          0.1061
_refine_ls_R_factor_gt           0.0631
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0840P)^2^+0.8300P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1626
_refine_ls_wR_factor_ref         0.1875
_reflns_number_gt                6524
_reflns_number_total             10278
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0352755si20040218_033734_1.cif
_cod_data_source_block           6a
_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.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_formula_sum        'C62 H87 B2 N4 O0.50'
_cod_database_code               4310841