Rhenium and technetium tricarbonyl complexes of N-heterocyclic carbene ligands.
Chan, Chung Ying; Pellegrini, Paul A.; Greguric, Ivan; Barnard, Peter J.; Inorganic chemistry 53 (2014) 10862–10873; doi:10.1021/ic500917s

data_4341223
_publ_section_title
;
 Rhenium and technetium tricarbonyl complexes of N-heterocyclic carbene
 ligands.
;
_journal_issue                   20
_journal_name_full               'Inorganic chemistry'
_journal_page_first              10862
_journal_page_last               10873
_journal_paper_doi               10.1021/ic500917s
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         'C12 H9 Cl N3 O3 Re'
_chemical_formula_sum            'C12 H9 Cl N3 O3 Re'
_chemical_formula_weight         464.87
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
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Olex2 1.2
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_cell_length_c                   9.0037(18)
_cell_measurement_reflns_used    2791
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_computing_cell_refinement
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
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_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 10.3281
_diffrn_measured_fraction_theta_full 0.998
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_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0536
_diffrn_reflns_av_unetI/netI     0.0524
_diffrn_reflns_Laue_measured_fraction_full 0.998
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_diffrn_reflns_point_group_measured_fraction_full 0.998
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_diffrn_source                   'Enhance (Mo) X-ray Source'
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
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Empirical absorption correction using spherical harmonics,
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_exptl_crystal_colour            'clear greenish yellow'
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0419P)^2^+2.6656P]
 where P=(Fo^2^+2Fc^2^)/3
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_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0912
_refine_ls_wR_factor_ref         0.0973
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2208
_reflns_number_total             2552
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic500917s_si_002.cif
_cod_data_source_block           3aCl
_cod_depositor_comments
'Adding full bibliography for 4341223--4341230.cif.'
_cod_database_code               4341223
_shelxl_version_number           2013-2
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C10(H10), C11(H11), C6(H6), C8(H8), C5(H5), C7(H7)
2.b Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C)
;
_shelx_res_checksum              32639
_shelx_hkl_checksum              82517