Boratatrozircenes: cycloheptatrienyl zirconium boratabenzene sandwich complexes – evaluation of potential η6–η5 hapticity interconversions
Glöckner, Andreas; Cui, Peng; Chen, Yaofeng; Daniliuc, Constantin G.; Jones, Peter G.; Tamm, Matthias; New Journal of Chemistry 36 (2012) 1392–; doi:10.1039/c2nj40059f

data_7052897
_publ_section_title
;
 Boratatrozircenes: cycloheptatrienyl zirconium boratabenzene sandwich
 complexes -- evaluation of potential \h6--\h5 hapticity interconversions
;
_journal_issue                   6
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1392
_journal_paper_doi               10.1039/c2nj40059f
_journal_volume                  36
_journal_year                    2012
_chemical_formula_sum            'C17 H21 B Si Zr'
_chemical_formula_weight         355.46
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 102.029(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.5992(6)
_cell_length_b                   8.0986(3)
_cell_length_c                   11.9967(5)
_cell_measurement_reflns_used    7846
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      75.5525
_cell_measurement_theta_min      3.7613
_cell_volume                     1672.33(11)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug 3 2011,13:03:54)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug 3 2011,13:03:54)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug 3 2011,13:03:54)
;
_computing_molecular_graphics    'BRUKER XP'
_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_detector_area_resol_mean 10.3543
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Xcalibur, Atlas, Nova'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Nova (Cu) X-ray Source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0216
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3635
_diffrn_reflns_theta_full        66.58
_diffrn_reflns_theta_max         66.58
_diffrn_reflns_theta_min         5.14
_exptl_absorpt_coefficient_mu    5.945
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.15185
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug 3 2011,13:03:54)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.412
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         2.298
_refine_diff_density_min         -1.081
_refine_diff_density_rms         0.129
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     206
_refine_ls_number_reflns         3635
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0642
_refine_ls_R_factor_gt           0.0567
_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^)+(0.1037P)^2^+4.4581P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1505
_refine_ls_wR_factor_ref         0.1571
_reflns_number_gt                3239
_reflns_number_total             3635
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2nj40059f.txt
_cod_data_source_block           andyg76c
_cod_original_cell_volume        1672.33(10)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7052897