Complexes of the [K(18-Crown-6)]+ Fragment with Bis(tetrazolyl)borate Ligands: Unexpected Boron-Nitrogen Bond Isomerism and Associated Enforcement of κ3-N,N',H-Ligand Chelation
Dongmei Lu; Charles H. Winter; Inorganic Chemistry 49 (2010) 5795–5797; doi:10.1021/ic100959j

data_4315991
_publ_contact_author             'Charles H. Winter'
_publ_contact_author_address
; Department of Chemistry
Wayne State University
5101 Cass Ave.
Detroit, Michigan 48202
U.S.A.
;
_publ_contact_author_email       chw@chem.wayne.edu
_publ_contact_author_phone       '313 577 5224'
_publ_section_title
;
 Complexes of the [K(18-Crown-6)]+ Fragment with Bis(tetrazolyl)borate
 Ligands: Unexpected Boron-Nitrogen Bond Isomerism and Associated
 Enforcement of \k3-N,N',H-Ligand Chelation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5795
_journal_page_last               5797
_journal_paper_doi               10.1021/ic100959j
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C18 H38 B K N10 O6'
_chemical_formula_weight         540.49
_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                 99.982(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.9554(5)
_cell_length_b                   16.8330(8)
_cell_length_c                   16.6956(8)
_cell_measurement_reflns_used    4664
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      2.3
_cell_volume                     2755.5(2)
_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 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0848
_diffrn_reflns_av_sigmaI/netI    0.0790
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            42286
_diffrn_reflns_theta_full        28.21
_diffrn_reflns_theta_max         28.21
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    0.244
_exptl_absorpt_correction_T_max  0.9598
_exptl_absorpt_correction_T_min  0.9305
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick, 1997'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.578
_refine_diff_density_min         -0.638
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         6728
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.1102
_refine_ls_R_factor_gt           0.0545
_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^)+(0.0728P)^2^+0.4904P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1321
_refine_ls_wR_factor_ref         0.1556
_reflns_number_gt                3982
_reflns_number_total             6728
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100959j_si_001_4.cif
_cod_data_source_block           uklu(6)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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               4315991