Chemoselectivity Diversity in the Reaction of LiNC6F5SiMe3 with Nitriles and the Synthesis, Structure, and Reactivity of Zirconium Mono- and Tris[2-(2-pyridyl)tetrafluorobenzimidazolate] Complexes
Sinai Aharonovich; Mark Botoshansky; Robert M. Waymouth; Moris S. Eisen; Inorganic Chemistry 49 (2010) 9217–9229; doi:10.1021/ic100696r

data_4316720
_publ_section_title
;
 Chemoselectivity Diversity in the Reaction of LiNC6F5SiMe3 with Nitriles
 and the Synthesis, Structure, and Reactivity of Zirconium Mono- and
 Tris[2-(2-pyridyl)tetrafluorobenzimidazolate] Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9217
_journal_page_last               9229
_journal_paper_doi               10.1021/ic100696r
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C23 H24 F9 Li N4 O'
_chemical_formula_weight         550.40
_chemical_name_common            'complex7 (Sinay)'
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 114.82(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.807(2)
_cell_length_b                   16.647(3)
_cell_length_c                   9.424(2)
_cell_measurement_reflns_used    8173
_cell_measurement_temperature    240(2)
_cell_measurement_theta_max      25.41
_cell_measurement_theta_min      2.38
_cell_volume                     1254.0(5)
_computing_cell_refinement       'DENZO HKL2000 (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius, 2006)'
_computing_data_reduction        'DENZO HKL2000 (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'TEXSAN  (MSC, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      240(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       phi-scan
_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  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0422
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            8173
_diffrn_reflns_theta_full        25.41
_diffrn_reflns_theta_max         25.41
_diffrn_reflns_theta_min         2.38
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.140
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.468
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.7(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         2390
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0411
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0817P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1107
_refine_ls_wR_factor_ref         0.1186
_reflns_number_gt                1949
_reflns_number_total             2390
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100696r_si_002_2.cif
_cod_data_source_block           complex7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_original_sg_symbol_H-M      'P 21'
_cod_database_code               4316720