Diffuse Diffraction from Parallel/Antiparallel Metallocene Pillars
Irwin, Levi J.; Zeits, Paul D.; Reibenspies, Joseph H.; Miller, Stephen A.; Organometallics 26 (2007) 1129–; doi:10.1021/om060435g

data_4072457
_publ_section_title
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 Diffuse Diffraction from Parallel/Antiparallel Metallocene Pillars
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_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1129
_journal_paper_doi               10.1021/om060435g
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C37 H46 Cl2 Zr'
_chemical_formula_weight         652.86
_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                 103.343(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.275(3)
_cell_length_b                   9.2653(13)
_cell_length_c                   23.356(4)
_cell_measurement_temperature    100(2)
_cell_volume                     3216.3(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0914
_diffrn_reflns_av_sigmaI/netI    0.1154
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            23168
_diffrn_reflns_theta_full        27.71
_diffrn_reflns_theta_max         27.71
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    0.532
_exptl_absorpt_correction_T_max  0.9739
_exptl_absorpt_correction_T_min  0.8153
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            ORANGE
_exptl_crystal_density_diffrn    1.348
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       NEEDLE
_exptl_crystal_F_000             1368
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.692
_refine_diff_density_min         -1.232
_refine_diff_density_rms         0.113
_refine_ls_extinction_coef       0.0014(3)
_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   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     381
_refine_ls_number_reflns         7345
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1061
_refine_ls_R_factor_gt           0.0634
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0559P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1263
_refine_ls_wR_factor_ref         0.1461
_reflns_number_gt                4853
_reflns_number_total             7345
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060435gsi20061211_025942.cif
_cod_data_source_block           sm22_1-Zr
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        3216.3(9)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4072457