Isolation of a Stableansa-Chromocene(III) Carbonyl Cation and Characterization of a Transient, Cationicansa-Chromocene(IV) Carbonyl Hydride
Foo, David M. J.; Sinnema, Piet-Jan; Twamley, Brendan; Shapiro, Pamela J.; Organometallics 21 (2002) 1005–; doi:10.1021/om011066l

data_4076757
_publ_section_title
;
 Isolation of a Stableansa-Chromocene(III) Carbonyl Cation and
 Characterization of a Transient, Cationicansa-Chromocene(IV) Carbonyl
 Hydride
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1005
_journal_paper_doi               10.1021/om011066l
_journal_volume                  21
_journal_year                    2002
_chemical_formula_sum            'C49 H32 B Cr F24 O'
_chemical_formula_weight         1155.56
_chemical_name_common            'Me4-ansachromocene(CO) + B(RF)4'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 105.4240(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.9402(9)
_cell_length_b                   16.4924(14)
_cell_length_c                   15.1391(13)
_cell_measurement_reflns_used    966
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      23.35
_cell_measurement_theta_min      2.83
_cell_volume                     2392.5(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINTPlus v. 6.02'
_computing_molecular_graphics    'XP, Bruker SHELXTL v. 5.10'
_computing_publication_material  'XCIF, Bruker SHELXTL v. 5.10'
_computing_structure_refinement  'XL, Bruker SHELXTL v. 5.10'
_computing_structure_solution    'XS, Bruker SHELXTL v. 5.10'
_diffrn_ambient_temperature      203(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens SMART 1K'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            14377
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.86
_diffrn_standards_decay_%        <0.01
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.371
_exptl_absorpt_correction_T_max  0.9568
_exptl_absorpt_correction_T_min  0.9065
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1999)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.604
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1158
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.601
_refine_diff_density_min         -0.429
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     686
_refine_ls_number_reflns         7487
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0534
_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^)+(0.0885P)^2^+1.2519P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1427
_refine_ls_wR_factor_ref         0.1494
_reflns_number_gt                6469
_reflns_number_total             7487
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om011066l.cif
_cod_data_source_block           bt247
_cod_depositor_comments
;
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.

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' 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_sg_symbol_H-M      'P 21'
_cod_database_code               4076757