Cyclooctatetraene Poly(azolyl)borate Complexes of Zirconium: [Zr(κ2-L)Cl(η-C8H8)] (L = H2B(pz)2, HB(pzMe2)3, H2B(mt)2; pz = Pyrazolyl, mt = Methimazolyl)
Hill, Anthony F.; Smith, Matthew K.; Organometallics 26 (2007) 3900–; doi:10.1021/om700484h

data_4073584
_publ_section_title
;
 Cyclooctatetraene Poly(azolyl)borate Complexes of Zirconium:&#x00A0;
 [Zr(\k2-L)Cl(\h-C8H8)] (L = H2B(pz)2, HB(pzMe2)3, H2B(mt)2; pz =
 Pyrazolyl, mt = Methimazolyl)
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              3900
_journal_paper_doi               10.1021/om700484h
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C18.5 H19 Cl3 O3 Zr2.5'
_chemical_formula_weight         623.74
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.415(4)
_cell_length_b                   19.118(4)
_cell_length_c                   13.417(3)
_cell_measurement_reflns_used    27533
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      3.04
_cell_volume                     4467.1(17)
_computing_cell_refinement       'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius BV, 1997)'
_computing_data_reduction        'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       ' \f and \w scans with CCD '
_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  0.0588
_diffrn_reflns_av_sigmaI/netI    0.0425
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            27533
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    1.528
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.855
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2440
_refine_diff_density_max         1.080
_refine_diff_density_min         -0.277
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.14(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.105
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         5071
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.105
_refine_ls_R_factor_all          0.0718
_refine_ls_R_factor_gt           0.0575
_refine_ls_shift/su_max          0.056
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0917P)^2^+3.6109P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1604
_refine_ls_wR_factor_ref         0.1702
_reflns_number_gt                4273
_reflns_number_total             5071
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700484h4.cif
_cod_data_source_block           mks56
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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 
;
_cod_original_cell_volume        4467.1(15)
_cod_original_formula_sum        'C18.50 H19 Cl3 O3 Zr2.50'
_cod_database_code               4073584