Highly Distorted κ3-N,N,H Bonding of Bis(3,5-di-tert-butylpyrazolyl)borate Ligands to the Heavier Group 2 Elements†
Saly, Mark J.; Winter, Charles H.; Organometallics 29 (2010) 5472–; doi:10.1021/om100434e

data_4066389
_publ_section_title
;
 Highly Distorted \k3-N,N,H Bonding of
 Bis(3,5-di-tert-butylpyrazolyl)borate Ligands to the Heavier Group 2
 Elements&#x2020;
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_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              5472
_journal_paper_doi               10.1021/om100434e
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C44 H80 B2 N8 Sr'
_chemical_formula_weight         830.40
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.0190(10)
_cell_angle_beta                 87.174(2)
_cell_angle_gamma                89.441(2)
_cell_formula_units_Z            2
_cell_length_a                   9.9420(3)
_cell_length_b                   12.0663(4)
_cell_length_c                   20.9332(6)
_cell_measurement_reflns_used    9504
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.5
_cell_measurement_theta_min      2.25
_cell_volume                     2411.21(13)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker APEX2'
_computing_molecular_graphics    SHELXTL-Plus
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.913
_diffrn_measurement_method       'Bruker APEX2'
_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  0.0328
_diffrn_reflns_av_sigmaI/netI    0.0299
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            132194
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         35.10
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    1.155
_exptl_absorpt_correction_T_max  0.7690
_exptl_absorpt_correction_T_min  0.6551
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick, 1997'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.144
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.539
_refine_diff_density_min         -0.296
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     558
_refine_ls_number_reflns         19517
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0412
_refine_ls_R_factor_gt           0.0315
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0421P)^2^+0.2501P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0734
_refine_ls_wR_factor_ref         0.0759
_reflns_number_gt                16753
_reflns_number_total             19517
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100434e_si_002.cif
_cod_data_source_block           ymar(3)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4066389