Hydroquinoid Chromium Complexes Bearing an Acyclic Conjugated Bridge: Chromium-Templated Synthesis, Molecular Structure, and Haptotropic Metal Migration
Hegele, Peter; Santhamma, Bindu; Schnakenburg, Gregor; Fröhlich, Roland; Kataeva, Olga; Nieger, Martin; Kotsis, Konstantinos; Neese, Frank; Dötz, Karl Heinz; Organometallics 29 (2010) 6172–; doi:10.1021/om100257x

data_4066036
_publ_section_title
;
 Hydroquinoid Chromium Complexes Bearing an Acyclic Conjugated Bridge:
 Chromium-Templated Synthesis, Molecular Structure, and Haptotropic Metal
 Migration
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              6172
_journal_paper_doi               10.1021/om100257x
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C32 H38 Cr O5 Si'
_chemical_formula_sum            'C32 H38 Cr O5 Si'
_chemical_formula_weight         582.71
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.1781(16)
_cell_angle_beta                 75.4222(16)
_cell_angle_gamma                67.0976(17)
_cell_formula_units_Z            4
_cell_length_a                   11.5676(4)
_cell_length_b                   13.7999(4)
_cell_length_c                   21.5818(7)
_cell_measurement_reflns_used    40748
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      1.0
_cell_volume                     3062.92(18)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1999)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0630
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_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            35335
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.450
_exptl_absorpt_correction_T_max  0.89783
_exptl_absorpt_correction_T_min  0.84383
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
R.H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            orange-red
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1232
_exptl_crystal_size_max          0.44
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_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     719
_refine_ls_number_reflns         14035
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_refine_ls_restrained_S_all      0.961
_refine_ls_R_factor_all          0.0969
_refine_ls_R_factor_gt           0.0517
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0694P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1259
_refine_ls_wR_factor_ref         0.1409
_reflns_number_gt                8496
_reflns_number_total             14035
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100257x_si_002.cif
_cod_data_source_block           Greg326
_cod_depositor_comments
;
The following automatic conversions were performed:

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

'_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        3062.92(17)
_cod_database_code               4066036