Polymeric [dihydrobis(pyrazol-1-yl)borato]potassium(I) and three dihydrobis(pyrazol-1-yl)borate–magnesium(I) compounds obtained by disproportionation of the Grignard reagent
Loroño-Gonzalez, D. J.; Acta Crystallographica Section C 64 (2008) m228–m232; doi:10.1107/S0108270108012481

data_2016624
_publ_section_title
;
 Polymeric [dihydrobis(pyrazol-1-yl)borato]potassium(I) and three
 dihydrobis(pyrazol-1-yl)borate--magnesium(I) compounds obtained by
 disproportionation of the Grignard reagent
;
_journal_coeditor_code           AV3139
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m228
_journal_page_last               m232
_journal_paper_doi               10.1107/S0108270108012481
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          '[Mg2 (C6 H8 B N4)2 Cl2 (C4 H8 O)3]'
_chemical_formula_moiety         'C24 H40 B2 Cl2 Mg2 N8 O3'
_chemical_formula_sum            'C24 H40 B2 Cl2 Mg2 N8 O3'
_chemical_formula_weight         629.78
_chemical_name_common            '[(k2-N2-Bp)Mg(THF)(u-Cl)2Mg(THF)2(k2-N2-Bp)]'
_chemical_name_systematic
;
di-\m-chlorido-bis[dihydridobis(pyrazol-1-yl)borato]-
1\k^2^<i>N</i>,<i>N</i>';2\k^2^<i>N</i>,<i>N</i>'-tris(tetrahydrofuran)-
1\k^2^O,2\kO-dimagnesium(II)
;
_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
_cell_angle_alpha                90
_cell_angle_beta                 99.319(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.119(3)
_cell_length_b                   13.862(2)
_cell_length_c                   15.453(3)
_cell_measurement_reflns_used    4830
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.5
_cell_volume                     3195.9(10)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2002)'
_computing_molecular_graphics    'SHELXTL (Version 5.03; Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.9854
_diffrn_measured_fraction_theta_max 0.9854
_diffrn_measurement_device_type
'Bruker SMART APEX CCD area-detector diffractometer'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0512
_diffrn_reflns_av_sigmaI/netI    0.0405
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            38733
_diffrn_reflns_theta_full        28.85
_diffrn_reflns_theta_max         28.85
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.282
_exptl_absorpt_correction_T_max  0.951
_exptl_absorpt_correction_T_min  0.894
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.309
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.543
_refine_diff_density_min         -0.321
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     400
_refine_ls_number_reflns         7868
_refine_ls_number_restraints     114
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0682
_refine_ls_R_factor_gt           0.0542
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0756P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1257
_refine_ls_wR_factor_ref         0.1331
_reflns_number_gt                6406
_reflns_number_total             8068
_reflns_threshold_expression     I>2s(I)
_cod_data_source_file            av3139.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'YES' changed to 'yes' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (12
times).

'_geom_bond_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (102
times).

'_geom_angle_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (278
times).

'_geom_angle_publ_flag' value 'YES' changed to 'yes' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (3
times).

'_geom_torsion_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (210 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'YES' changed to 'yes' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (12
times).

'_geom_bond_publ_flag' value 'NO' changed to 'no' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (102
times).

'_geom_angle_publ_flag' value 'NO' changed to 'no' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (278
times).

'_geom_angle_publ_flag' value 'YES' changed to 'yes'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (3
times).

'_geom_torsion_publ_flag' value 'NO' changed to 'no'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (210
times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2016624
_cod_database_fobs_code          2016624