Mixed Amido-cyclopentadienyl Group 4 Metal Complexes
Havlik, Ales; Lamač, Martin; Pinkas, Jiri; Růžička, Aleš; Horacek, Michal; RSC Adv.  (2015) –; doi:10.1039/C5RA07742G

data_7220994
_publ_section_title
;
 Mixed Amido-cyclopentadienyl Group 4 Metal Complexes
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA07742G
_journal_year                    2015
_chemical_formula_moiety         'C44 H64 Cl2 N2 Zr2'
_chemical_formula_sum            'C44 H64 Cl2 N2 Zr2'
_chemical_formula_weight         874.31
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-06-22 deposited with the CCDC.
2015-07-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.141(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   21.2253(6)
_cell_length_b                   18.0580(3)
_cell_length_c                   11.1202(4)
_cell_measurement_reflns_used    17975
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     4237.8(2)
_computing_cell_refinement       'COLLECT and DENZO'
_computing_data_collection
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_reduction        'COLLECT and DENZO'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker Nonius KappaCCD area detector'
_diffrn_measurement_method       '\f and \w scans to fill the Ewald sphere'
_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  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0354
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            17895
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.44
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.650
_exptl_absorpt_correction_T_max  0.872
_exptl_absorpt_correction_T_min  0.800
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.370
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1824
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.28
_refine_diff_density_max         1.248
_refine_diff_density_min         -0.678
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.128
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         4797
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.128
_refine_ls_R_factor_all          0.0825
_refine_ls_R_factor_gt           0.0558
_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^)+(0.0533P)^2^+23.2009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1289
_refine_ls_wR_factor_ref         0.1522
_reflns_number_gt                3584
_reflns_number_total             4797
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra07742g2.cif
_cod_data_source_block           12
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7220994