Chelated bis(NHC) complexes of saturated (imidazolin-2-ylidene) NHC ligands: structural authentication and facile ligand fragmentation.
Gardiner, Michael G.; McGuinness, David S.; Vanston, Catriona R.; Dalton transactions (Cambridge, England : 2003) 46 (2017) 3051–3058; doi:10.1039/c7dt00327g

data_7042018
_publ_section_title
;
 Chelated bis(NHC) complexes of saturated (imidazolin-2-ylidene) NHC
 ligands: structural authentication and facile ligand fragmentation.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3051
_journal_page_last               3058
_journal_paper_doi               10.1039/c7dt00327g
_journal_volume                  46
_journal_year                    2017
_chemical_formula_moiety         'C50 H64 Ag2 N8, 2(F6 P), 2(C2 H3 N)'
_chemical_formula_sum            'C54 H70 Ag2 F12 N10 P2'
_chemical_formula_weight         1364.88
_chemical_name_systematic
;
 ? 
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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_date             2016-03-24
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2016-07-15 deposited with the CCDC.
2017-02-10 downloaded from the CCDC.
;
_cell_angle_alpha                74.10(1)
_cell_angle_beta                 83.16(1)
_cell_angle_gamma                68.73(1)
_cell_formula_units_Z            2
_cell_length_a                   13.015(2)
_cell_length_b                   13.237(1)
_cell_length_c                   19.112(2)
_cell_measurement_reflns_used    21242
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.90
_cell_measurement_theta_min      1.79
_cell_volume                     2950.2(6)
_computing_cell_refinement       XDS
_computing_data_collection       BLU-ICE
_computing_data_reduction        XDS
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      173.15
_diffrn_detector_area_resol_mean 'ADSC Q210'
_diffrn_measured_fraction_theta_full 0.889
_diffrn_measured_fraction_theta_max 0.889
_diffrn_measurement_device_type  '3-BM1 Australian Synchrotron'
_diffrn_measurement_method       Rotation
_diffrn_radiation_monochromator  Si<111>
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0575
_diffrn_reflns_av_unetI/netI     0.0620
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            32622
_diffrn_reflns_theta_full        29.90
_diffrn_reflns_theta_max         29.90
_diffrn_reflns_theta_min         1.79
_diffrn_source                   'Synchrotron BM'
_exptl_absorpt_coefficient_mu    0.801
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.536
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.669
_refine_diff_density_min         -1.841
_refine_diff_density_rms         0.146
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.142
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     735
_refine_ls_number_reflns         15189
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.142
_refine_ls_R_factor_all          0.0838
_refine_ls_R_factor_gt           0.0698
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1131P)^2^+5.2465P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1944
_refine_ls_wR_factor_ref         0.2104
_reflns_number_gt                11943
_reflns_number_total             15189
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt00327g1.cif
_cod_data_source_block           75cv55b
_cod_depositor_comments
'Adding full bibliography for 7042016--7042022.cif.'
_cod_original_cell_volume        2950.3(10)
_cod_database_code               7042018
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C13(H13A,H13B), C15(H15A,H15B), C16(H16A,H16B),
 C27(H27A,H27B), C28(H28A,H28B), C38(H38A,H38B), C40(H40A,H40B), C41(H41A,H41B)
2.b Aromatic/amide H refined with riding coordinates:
 C6(H6), C8(H8), C19(H19), C21(H21), C31(H31), C33(H33), C44(H44), C46(H46)
2.c Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C23(H23A,H23B,
 H23C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C), C35(H35A,H35B,H35C), C36(H36A,
 H36B,H36C), C37(H37A,H37B,H37C), C48(H48A,H48B,H48C), C49(H49A,H49B,H49C),
 C50(H50A,H50B,H50C), C52(H52A,H52B,H52C), C54(H54A,H54B,H54C)
;
_olex2_submission_special_instructions 'No special instructions were received'