Mononuclear Schiff Base Boron Halides: Synthesis, Characterization, and Dealkylation of Trimethyl Phosphate
Mitra, Amitabha; DePue, Lauren J.; Struss, Jeffrey E.; Patel, Bijal P.; Parkin, Sean; Atwood, David A.; Inorganic Chemistry 45 (2006) 9213–9224; doi:10.1021/ic0607890

data_4332742
_publ_section_title
;
 Mononuclear Schiff Base Boron Halides:&#x00A0; Synthesis,
 Characterization, and Dealkylation of Trimethyl Phosphate
;
_journal_issue                   23
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9213
_journal_page_last               9224
_journal_paper_doi               10.1021/ic0607890
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C23 H32 B N O3'
_chemical_formula_weight         381.31
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 120.9071(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.5730(4)
_cell_length_b                   26.0370(11)
_cell_length_c                   8.5110(3)
_cell_measurement_reflns_used    2042
_cell_measurement_temperature    90.0(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      1.00
_cell_volume                     2200.42(15)
_computing_cell_refinement       'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 1994)'
_computing_publication_material
; 
SHELX97-2 (Sheldrick, 1997) and local procedures 
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90.0(2)
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius KappaCCD diffractometer'
_diffrn_measurement_method       '\w scans at fixed \c = 55\%'
_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  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0768
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            3820
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.56
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9978
_exptl_absorpt_correction_T_min  0.9362
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Scalepack (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.151
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'flattened needle'
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.90
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.03
_refine_diff_density_max         .238
_refine_diff_density_min         -.177
_refine_diff_density_rms         .042
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.7(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     261
_refine_ls_number_reflns         3808
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0980
_refine_ls_R_factor_gt           0.0512
_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^)+(0.0412P)^2^+1.2062P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0950
_refine_ls_wR_factor_ref         0.1108
_reflns_number_gt                2648
_reflns_number_total             3808
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic0607890sup1.cif
_cod_data_source_block           k04246
_cod_original_cell_volume        2200.42(14)
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               4332742