Isocyanide and Phosphine Oxide Coordination in Binuclear Chromium Pacman Complexes
Stevens, Charlotte J.; Nichol, Gary S.; Arnold, Polly L.; Love, Jason B.; Organometallics 32 (2013) 6879–; doi:10.1021/om4009313

data_4082042
_publ_section_title
;
 Isocyanide and Phosphine Oxide Coordination in Binuclear Chromium Pacman
 Complexes
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              6879
_journal_paper_doi               10.1021/om4009313
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C42 H40 Cr2 N8, C6 H6'
_chemical_formula_sum            'C48 H46 Cr2 N8'
_chemical_formula_weight         838.93
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 114.066(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.1687(4)
_cell_length_b                   13.6236(2)
_cell_length_c                   15.7156(3)
_cell_measurement_reflns_used    9324
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      27.4240
_cell_measurement_theta_min      2.9770
_cell_volume                     4138.32(14)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_molecular_graphics    ORTEP
_computing_publication_material  MERCURY
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    SIR-92
_diffrn_ambient_temperature      170(2)
_diffrn_detector_area_resol_mean 16.1042
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  '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     0.7107
_diffrn_reflns_av_R_equivalents  0.0360
_diffrn_reflns_av_sigmaI/netI    0.0263
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            29441
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.570
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.97388
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            BROWN
_exptl_crystal_density_diffrn    1.347
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PRISM
_exptl_crystal_F_000             1752
_exptl_crystal_size_max          0.3389
_exptl_crystal_size_mid          0.2002
_exptl_crystal_size_min          0.1115
_refine_diff_density_max         0.338
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.685
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         4751
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.685
_refine_ls_R_factor_all          0.0478
_refine_ls_R_factor_gt           0.0361
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0914P)^2^+14.4880P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1124
_reflns_number_gt                3952
_reflns_number_total             4751
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om4009313_si_001.cif
_cod_data_source_block           '[Cr2(L)]'
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        4138.32(13)
_cod_original_sg_symbol_H-M      'C 1 2/C 1'
_cod_database_code               4082042