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_2016626
_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          '[Mg (C6 H8 B1 N4)2 (C4 H8 O)2]'
_chemical_formula_moiety         'C20 H32 B2 Mg N8 O2'
_chemical_formula_sum            'C20 H32 B2 Mg N8 O2'
_chemical_formula_weight         462.47
_chemical_name_common            '[(k2-N2-Bp)2Mg(THF)2]'
_chemical_name_systematic
;
bis[dihydridobis(pyrazol-1-yl)borato-
\k^2^<i>N</i>,<i>N</i>']bis(tetrahydrofuran-\kO)magnesium(II)
;
_space_group_IT_number           2
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_cell_length_b                   10.936(2)
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_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      2.79
_cell_volume                     1199.2(4)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
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_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
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_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type
'Bruker SMART APEX CCD area-detector diffractometer'
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_diffrn_reflns_limit_l_min       -17
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_diffrn_standards_decay_%        0
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_exptl_crystal_colour            Colourless
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_exptl_crystal_description       Plate
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0564P)^2^]         where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1065
_refine_ls_wR_factor_ref         0.1093
_reflns_number_gt                4305
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_reflns_threshold_expression     I>2s(I)
_cod_data_source_file            av3139.cif
_cod_data_source_block           IV
_cod_depositor_comments
;
The following automatic conversions were performed:
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'_geom_bond_publ_flag' value 'YES' changed to 'yes' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
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'_geom_angle_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
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times).

'_geom_angle_publ_flag' value 'YES' changed to 'yes' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
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times).

'_geom_torsion_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
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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 '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 (78
times).

'_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_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 (184
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 (4
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 (127
times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1199.3(4)
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