Chiral Silver and Gold Rings: Synthesis and Structural, Spectroscopic, and Photophysical Properties of Ag and Au Metallamacrocycles of Bridging NHC Ligands
Carcedo, Cristina; Knight, James C.; Pope, Simon J. A.; Fallis, Ian A.; Dervisi, Athanasia; Organometallics 30 (2011) 2553–; doi:10.1021/om200125w

data_4064467
_publ_section_title
;
 Chiral Silver and Gold Rings: Synthesis and Structural, Spectroscopic,
 and Photophysical Properties of Ag and Au Metallamacrocycles of Bridging
 NHC Ligands
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2553
_journal_paper_doi               10.1021/om200125w
_journal_volume                  30
_journal_year                    2011
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C28 H36 Au2 N8 O4, 2(F6 P), H2 O'
_chemical_formula_sum            'C28 H38 Au2 F12 N8 O5 P2'
_chemical_formula_weight         1250.54
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           24
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'I 2b 2c'
_symmetry_space_group_name_H-M   'I 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.2240(5)
_cell_length_b                   17.0310(6)
_cell_length_c                   20.7230(8)
_cell_measurement_reflns_used    27622
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.91
_cell_volume                     4667.2(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Giacovazzo et al., 1993)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_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  0.0595
_diffrn_reflns_av_sigmaI/netI    0.0907
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            8073
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    6.437
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.780
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2392
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_platon_squeeze_details
;
P. van der Sluis & A.L. Spek, Acta Cryst. 1990, A46, 194
;
_refine_diff_density_max         1.617
_refine_diff_density_min         -1.658
_refine_diff_density_rms         0.172
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.007(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     260
_refine_ls_number_reflns         4980
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0759
_refine_ls_R_factor_gt           0.0561
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0629P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1257
_refine_ls_wR_factor_ref         0.1336
_reflns_number_gt                3934
_reflns_number_total             4980
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200125w_si_002.cif
_cod_data_source_block           ad0801
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_database_code               4064467