Tricarbonyl(η^6^-1,3-dimethoxybenzene)chromium
Zeller, Matthias; Hunter, Allen D.; Takas, Nathan J.; Acta Crystallographica Section E 60 (2004) m434–m435; doi:10.1107/S1600536804005914

data_2203491
_publ_section_title
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 Tricarbonyl(\h^6^-1,3-dimethoxybenzene)chromium
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_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m434
_journal_page_last               m435
_journal_paper_doi               10.1107/S1600536804005914
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          '[Cr (C8 H10 O2) (C1 O1)3]'
_chemical_formula_moiety         'C11 H10 Cr O5'
_chemical_formula_sum            'C11 H10 Cr O5'
_chemical_formula_weight         274.19
_chemical_name_common
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Tricarbonyl(\h^6^-1,3-dimethoxybenzene)chromium
;
_chemical_name_systematic        ?
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.5948(19)
_cell_length_b                   13.440(2)
_cell_length_c                   13.046(2)
_cell_measurement_reflns_used    6108
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      28.1475
_cell_measurement_theta_min      2.175
_cell_volume                     2033.0(5)
_computing_cell_refinement       'SAINT-Plus (Bruker, 1997--1999)'
_computing_data_collection       'SMART (Bruker, 1997--2000)'
_computing_data_reduction        SAINT-Plus
_computing_molecular_graphics    SHELXL97
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Bruker AXS SMART APEX CCD'
_diffrn_measurement_method       \w
_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  0.0439
_diffrn_reflns_av_sigmaI/netI    0.0351
_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       11
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12064
_diffrn_reflns_theta_full        28.22
_diffrn_reflns_theta_max         28.22
_diffrn_reflns_theta_min         2.18
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.131
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.779
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS in SAINT-Plus; Bruker, 1997--1999)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.792
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.82
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.408
_refine_diff_density_min         -0.457
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         2549
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0454P)^2^+1.1678P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0805
_refine_ls_wR_factor_ref         0.0890
_reflns_number_gt                1983
_reflns_number_total             2549
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om6225.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_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 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_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        2033.0(6)
_cod_database_code               2203491
_cod_database_fobs_code          2203491