Cyclopentadienyl mesityl complexes of chromium(II) and chromium(III).
Zhou, Wen; Therrien, Jeffrey A.; Wence, D Lee K; Yallits, Emily N.; Conway, Julia L.; Patrick, Brian O.; Smith, Kevin M.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 337–339; doi:10.1039/c0dt01399d

data_7014979
_publ_section_title
;
 Cyclopentadienyl mesityl complexes of chromium(II) and chromium(III).
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              337
_journal_page_last               339
_journal_paper_doi               10.1039/c0dt01399d
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C23 H32 Cr N2'
_chemical_formula_weight         388.51
_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                97.0890(10)
_cell_angle_beta                 98.1880(10)
_cell_angle_gamma                118.4210(10)
_cell_formula_units_Z            2
_cell_length_a                   8.3577(2)
_cell_length_b                   8.4155(2)
_cell_length_c                   18.1329(5)
_cell_measurement_reflns_used    9908
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.8275
_cell_measurement_theta_min      2.817
_cell_volume                     1083.11(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker X8 APEX II'
_diffrn_measurement_method       'area detector'
_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  0.0164
_diffrn_reflns_av_sigmaI/netI    0.0209
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            17616
_diffrn_reflns_theta_full        27.86
_diffrn_reflns_theta_max         27.86
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    0.536
_exptl_absorpt_correction_T_max  0.948
_exptl_absorpt_correction_T_min  0.857
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.191
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.356
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         5028
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0375
_refine_ls_R_factor_gt           0.0294
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0325P)^2^+0.6230P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0715
_refine_ls_wR_factor_ref         0.0761
_reflns_number_gt                4383
_reflns_number_total             5028
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0DT01399D.TXT
_cod_data_source_block           2_CpCr(iPrNHC)Mes
_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_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_cell_volume        1083.10(5)
_cod_database_code               7014979