Half-sandwich Ru(η6-C6H6) complexes with chiral aroylthioureas for enhanced asymmetric transfer hydrogenation of ketones ‒ experimental and theoretical studies
Mary Sheeba, Mani; Preethi, Sankaranarayanan; Nijamudheen, A.; Muthu Tamizh, Manoharan; Datta, Ayan; Farrugia, Louis J.; Karvembu, Ramasamy; Catal. Sci. Technol. 5 (2015) 4790–; doi:10.1039/C5CY00774G

data_1520739
_publ_section_title
;
 Half-sandwich Ru(\h6-C6H6) complexes with chiral aroylthioureas for
 enhanced asymmetric transfer hydrogenation of ketones -- experimental and
 theoretical studies
;
_journal_issue                   10
_journal_name_full               'Catal. Sci. Technol.'
_journal_page_first              4790
_journal_paper_doi               10.1039/C5CY00774G
_journal_volume                  5
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_compound_source        'as described'
_chemical_formula_moiety         'C20 H20 Cl2 N2  O Ru S2'
_chemical_formula_sum            'C20 H20 Cl2 N2 O Ru S2'
_chemical_formula_weight         540.47
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   direct
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4.3
_audit_creation_date             2013-11-11T13:44:14-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2014-11-05 deposited with the CCDC.
2015-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.61740(10)
_cell_length_b                   17.1016(3)
_cell_length_c                   19.4048(4)
_cell_measurement_reflns_used    5426
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      34.97
_cell_measurement_theta_min      2
_cell_measurement_wavelength     0.71073
_cell_volume                     2196.00(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_UB_11      0.146356
_diffrn_orient_matrix_UB_12      -0.00671
_diffrn_orient_matrix_UB_13      0.01139
_diffrn_orient_matrix_UB_21      0.032704
_diffrn_orient_matrix_UB_22      -0.003
_diffrn_orient_matrix_UB_23      -0.050243
_diffrn_orient_matrix_UB_31      0.01862
_diffrn_orient_matrix_UB_32      0.05801
_diffrn_orient_matrix_UB_33      -0.001281
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.035
_diffrn_reflns_laue_measured_fraction_full 1
_diffrn_reflns_laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            83354
_diffrn_reflns_point_group_measured_fraction_full 1
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_reduction_process
;
        Scaled and merged with Sortav
        R.H. Blessing, (1987) Cryst. Rev. 1, 3-58
        R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397
;
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         35.029
_diffrn_reflns_theta_min         2.099
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    1.161
_exptl_absorpt_correction_T_max  0.89
_exptl_absorpt_correction_T_min  0.595
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
        P. Coppens, L. Leiserowitz, D Rabinovich, Acta Cryst.
        (1965), 18, 1035-1038
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.635
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.643
_refine_diff_density_min         -0.642
_refine_diff_density_rms         0.06
_refine_ls_abs_structure_details
;
 Flack x determined using 3988 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.009(7)
_refine_ls_extinction_coef       0.0015(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     281
_refine_ls_number_reflns         9662
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0198
_refine_ls_R_factor_gt           0.0177
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0151P)^2^+0.1580P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0438
_refine_ls_wR_factor_ref         0.0443
_reflns_number_gt                9231
_reflns_number_total             9662
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cy00774g2.cif
_cod_data_source_block           comp_4
_cod_depositor_comments
'Adding full bibliography for 1520736--1520740.cif.'
_cod_database_code               1520739
_audit_block_doi                 10.5517/cc13npyd
_shelx_estimated_absorpt_t_min   0.457
_shelx_estimated_absorpt_t_max   0.845