A New Versatile Approach to Substituted Cyclopentadienyl−Cycloheptatrienyl Complexes of Zirconium (Trozircenes)
Glöckner, Andreas; Tamm, Matthias; Arif, Atta M.; Ernst, Richard D.; Organometallics 28 (2009) 7041–; doi:10.1021/om900847y

data_4070481
_publ_section_title
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 A New Versatile Approach to Substituted
 Cyclopentadienyl&#x2212;Cycloheptatrienyl Complexes of Zirconium
 (Trozircenes)
;
_journal_issue                   24
_journal_name_full               Organometallics
_journal_page_first              7041
_journal_paper_doi               10.1021/om900847y
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C21 H21 N Zr'
_chemical_formula_sum            'C21 H21 N Zr'
_chemical_formula_weight         378.61
_chemical_name_systematic
; 
 ? 
;
_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                 101.7549(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.9094(3)
_cell_length_b                   6.81180(10)
_cell_length_c                   11.5925(3)
_cell_measurement_reflns_used    6755
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      1.018
_cell_volume                     843.40(3)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'WinGX, Ortep3'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      150(1)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius KappaCCD Diffractometer'
_diffrn_measurement_method       'Phi and Omega 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0338
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3365
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.651
_exptl_absorpt_correction_T_max  0.9202
_exptl_absorpt_correction_T_min  0.8647
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.491
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             388
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.615
_refine_diff_density_min         -0.415
_refine_diff_density_rms         0.066
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_coef       0.012(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     205
_refine_ls_number_reflns         3365
_refine_ls_number_restraints     22
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0287
_refine_ls_R_factor_gt           0.0266
_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^)+(0.0144P)^2^+0.8306P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0630
_refine_ls_wR_factor_ref         0.0645
_reflns_number_gt                3228
_reflns_number_total             3365
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900847y_si_001.cif
_cod_data_source_block           rde163
_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 2.4.2 from 2011-04-26.

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      P21
_cod_database_code               4070481