How big is a Cp? Cycloheptatrienyl zirconium complexes with bulky cyclopentadienyl and indenyl ligands.
Glöckner, Andreas; Bauer, Heiko; Maekawa, Miyuki; Bannenberg, Thomas; Daniliuc, Constantin G.; Jones, Peter G.; Sun, Yu; Sitzmann, Helmut; Tamm, Matthias; Walter, Marc D.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 6614–6624; doi:10.1039/c2dt12132h

data_7019078
_publ_section_title
;
 How big is a Cp? Cycloheptatrienyl zirconium complexes with bulky
 cyclopentadienyl and indenyl ligands.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6614
_journal_page_last               6624
_journal_paper_doi               10.1039/c2dt12132h
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C24 H36 Zr'
_chemical_formula_weight         415.75
_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                 90.047(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.0646(6)
_cell_length_b                   8.6396(4)
_cell_length_c                   16.4412(6)
_cell_measurement_reflns_used    7590
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      62.5859
_cell_measurement_theta_min      3.9750
_cell_volume                     2139.86(15)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_molecular_graphics    'BRUKER XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Giacovazzo et al., 1994)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 16.1399
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0492
_diffrn_reflns_av_sigmaI/netI    0.0353
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            14356
_diffrn_reflns_theta_full        62.68
_diffrn_reflns_theta_max         62.68
_diffrn_reflns_theta_min         3.98
_exptl_absorpt_coefficient_mu    4.202
_exptl_absorpt_correction_T_max  0.8843
_exptl_absorpt_correction_T_min  0.4079
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET)
(compiled Apr 28 2010,14:27:37)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.541
_refine_diff_density_min         -0.297
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     267
_refine_ls_number_reflns         3422
_refine_ls_number_restraints     28
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0383
_refine_ls_R_factor_gt           0.0348
_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^)+(0.0636P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0873
_refine_ls_wR_factor_ref         0.0886
_reflns_number_gt                3123
_reflns_number_total             3422
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12132h.txt
_cod_data_source_block           andyg99
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7019078