[(2-(Trimethylammonium)ethyl)cyclopentadienyl]tricarbonylmetalates: Group VI Metal Zwitterions
Fischer, Paul J.; Herm, Zoey R.; Kucera, Benjamin E.; Organometallics 26 (2007) 4680–; doi:10.1021/om700497z

data_4073617
_publ_section_title
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 [(2-(Trimethylammonium)ethyl)cyclopentadienyl]tricarbonylmetalates:&#x00A0;
 Group VI Metal Zwitterions
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_journal_issue                   18
_journal_name_full               Organometallics
_journal_page_first              4680
_journal_paper_doi               10.1021/om700497z
_journal_volume                  26
_journal_year                    2007
_chemical_formula_moiety         'C14 H20 N O3 W, I'
_chemical_formula_sum            'C14 H20 I N O3 W'
_chemical_formula_weight         561.06
_chemical_name_common            05230
_chemical_name_systematic
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 ? 
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_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 115.575(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.725(4)
_cell_length_b                   7.807(2)
_cell_length_c                   16.683(4)
_cell_measurement_reflns_used    2194
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      23.88
_cell_measurement_theta_min      2.71
_cell_volume                     1729.9(8)
_computing_cell_refinement       'SAINT, Bruker'
_computing_data_collection       'SMART, Bruker'
_computing_data_reduction        'SAINT, Bruker'
_computing_molecular_graphics    'SHELXTL, Bruker'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART Platform CCD'
_diffrn_measurement_method       'area detector, omega scans per phi'
_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  0.0496
_diffrn_reflns_av_sigmaI/netI    0.0353
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            16278
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.53
_exptl_absorpt_coefficient_mu    8.468
_exptl_absorpt_correction_T_max  0.7852
_exptl_absorpt_correction_T_min  0.2822
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing, 1995'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.154
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.680
_refine_diff_density_min         -1.195
_refine_diff_density_rms         0.160
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         3047
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0276
_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^)+(0.0297P)^2^+8.4081P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0631
_refine_ls_wR_factor_ref         0.0716
_reflns_number_gt                2450
_reflns_number_total             3047
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700497z.cif
_cod_data_source_block           18
_cod_depositor_comments
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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.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4073617