Syntheses and Structures of Mg(C5H5BMe)2, Mg(3,5-Me2C5H3BNMe2)2, the 2,2'-Bipyridine Adduct Mg(C5H5BMe)2(bipy), and the N-Bonded Aminoboratabenzene Species Mg(3,5-Me2C5H3BNMe2)2(THF)21
Xiaolai Zheng; Ulli Englert; Gerhard E. Herberich; Jörg Rosenplänter; Inorganic Chemistry 39 (2000) 5579–5585; doi:10.1021/ic000575x

data_4321660
_publ_contact_author
;
      Gerhard E. Herberich
      Institut fuer Anorganische Chemie
      RWTH Aachen
      Prof.-Pirlet-Str.1
      52074 Aachen
      Germany
;
_publ_contact_author_email       gerhard.herberich@ac.rwth-aachen.de
_publ_contact_author_fax         '(0241) 8888288'
_publ_contact_author_phone       '(0241) 804645'
_publ_section_title
;
 Syntheses and Structures of Mg(C5H5BMe)2, Mg(3,5-Me2C5H3BNMe2)2, the
 2,2'-Bipyridine Adduct Mg(C5H5BMe)2(bipy), and the N-Bonded
 Aminoboratabenzene Species Mg(3,5-Me2C5H3BNMe2)2(THF)21
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5579
_journal_page_last               5585
_journal_paper_doi               10.1021/ic000575x
_journal_volume                  39
_journal_year                    2000
_chemical_compound_source        see_paper
_chemical_formula_sum            'C12 H16 B2 Mg'
_chemical_formula_weight         206.20
_chemical_name_common            ' Compound 1'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_type_scat_source           International_Tables_for_Xray_Crystallography
_cell_angle_alpha                90.00
_cell_angle_beta                 103.80(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2.00
_cell_length_a                   6.7311(7)
_cell_length_b                   8.363(2)
_cell_length_c                   11.622(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    203
_cell_measurement_theta_max      14
_cell_measurement_theta_min      10
_cell_volume                     635.3(2)
_computing_cell_refinement       CAD4_(Enraf-Nonius,_1977)
_computing_data_collection       CAD4_(Enraf-Nonius,_1977)
_computing_data_reduction        PROCESS_MolEN_(Fair,_1990)
_computing_molecular_graphics    ORTEP_(Johnson,_1976)
_computing_publication_material  CIF_VAX_MolEN_(Fair,_1990)
_computing_structure_refinement  LSFM_MolEN_(Fair,_1990)
_computing_structure_solution    none
_diffrn_ambient_temperature      203
_diffrn_measurement_device       Enraf_Nonius_CAD4
_diffrn_measurement_method       \w
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.070
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -2
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3383
_diffrn_reflns_theta_max         28.9
_diffrn_reflns_theta_min         3.0
_diffrn_standards_decay_%        0.00
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.000
_exptl_absorpt_correction_T_min  0.000
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.08
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             220
_exptl_crystal_size_max          0.70
_exptl_crystal_size_mid          0.55
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.3144
_refine_diff_density_min         -0.1973
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   1.082
_refine_ls_hydrogen_treatment    refined_isotropically
_refine_ls_matrix_type           full
_refine_ls_number_parameters     102
_refine_ls_number_reflns         1236
_refine_ls_number_restraints     3
_refine_ls_R_factor_obs          0.051
_refine_ls_shift/esd_max         0.015
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 4Fo^2^/ (\s^2^(Fo^2^) + 0.0016 Fo^4^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.051
_reflns_number_observed          1236
_reflns_number_total             1559
_reflns_observed_criterion       >1.0\s(I)
_cod_data_source_file            ic000575x_2.cif
_cod_data_source_block           JR3_041095
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value '4Fo^2^/ (\s^2^(Fo^2^) + 0.0016
Fo^4^)' was changed to 'calc'. New tag '_refine_ls_weighting_details'
was created. The value of the new tag was set to 'w = 4Fo^2^/
(\s^2^(Fo^2^) + 0.0016 Fo^4^)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_formula_sum        'C12 H16 B2 Mg1'
_cod_database_code               4321660