Highly Volatile Magnesium Complexes with the Aminodiboranate Anion, a New Chelating Borohydride. Synthesis and Characterization of Mg(H3BNMe2BH3)2 and Related Compounds
Do Young Kim; Gregory S. Girolami; Inorganic Chemistry 49 (2010) 4942–4948; doi:10.1021/ic1000667

data_4315587
_publ_section_title
;
 Highly Volatile Magnesium Complexes with the Aminodiboranate Anion, a New
 Chelating Borohydride. Synthesis and Characterization of Mg(H3BNMe2BH3)2
 and Related Compounds
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4942
_journal_page_last               4948
_journal_paper_doi               10.1021/ic1000667
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C16 H35 B2 Mg N O'
_chemical_formula_weight         303.38
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 90.397(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.309(3)
_cell_length_b                   14.569(3)
_cell_length_c                   12.255(3)
_cell_measurement_reflns_used    561
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      14.01
_cell_measurement_theta_min      2.28
_cell_volume                     2019.1(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      193(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.3654
_diffrn_reflns_av_sigmaI/netI    0.3860
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            21714
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         1.40
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9969
_exptl_absorpt_correction_T_min  0.9853
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.998
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabular
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.169
_refine_diff_density_min         -0.158
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.815
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     222
_refine_ls_number_reflns         3827
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.815
_refine_ls_R_factor_all          0.3007
_refine_ls_R_factor_gt           0.0679
_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^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0985
_refine_ls_wR_factor_ref         0.1393
_reflns_number_gt                1080
_reflns_number_total             3827
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic1000667_si_005.cif
_cod_data_source_block           f87jface
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4315587