Sterically encumbered pyrrolyl ligands and their incorporation into the cycloheptatrienyl zirconium coordination sphere.
Kreye, Markus; Glöckner, Andreas; Daniliuc, Constantin G.; Freytag, Matthias; Jones, Peter G.; Tamm, Matthias; Walter, Marc D.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 2192–2200; doi:10.1039/c2dt32433d

data_7022361
_publ_section_title
;
 Sterically encumbered pyrrolyl ligands and their incorporation into the
 cycloheptatrienyl zirconium coordination sphere.
;
_journal_issue                   6
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2192
_journal_page_last               2200
_journal_paper_doi               10.1039/c2dt32433d
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C22 H34 N2 Zr'
_chemical_formula_weight         417.73
_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                 116.929(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3606(2)
_cell_length_b                   25.4410(4)
_cell_length_c                   9.9949(3)
_cell_measurement_reflns_used    40727
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.8569
_cell_measurement_theta_min      2.2809
_cell_volume                     2122.13(10)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_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 16.1419
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.954
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0377
_diffrn_reflns_av_sigmaI/netI    0.0166
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            124284
_diffrn_reflns_theta_full        30.50
_diffrn_reflns_theta_max         30.93
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    0.525
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.96399
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.307
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.381
_refine_diff_density_min         -0.306
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         6426
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0274
_refine_ls_R_factor_gt           0.0229
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0170P)^2^+1.0999P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0491
_refine_ls_wR_factor_ref         0.0507
_reflns_number_gt                5885
_reflns_number_total             6426
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32433d.txt
_cod_data_source_block           mk60
_cod_original_cell_volume        2122.12(9)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7022361