A versatile gold synthon for acetylene C-H bond activation.
Fortman, George C.; Poater, Albert; Levell, Jack W.; Gaillard, Sylvain; Slawin, Alexandra M. Z.; Samuel, Ifor D. W.; Cavallo, Luigi; Nolan, Steven P.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 10382–10390; doi:10.1039/c0dt00276c

data_7026220
_publ_section_title
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 A versatile gold synthon for acetylene C-H bond activation.
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_journal_issue                   43
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10382
_journal_page_last               10390
_journal_paper_doi               10.1039/c0dt00276c
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C64 H76 Au2 N4,C4 H8 O'
_chemical_formula_sum            'C68 H84 Au2 N4 O'
_chemical_formula_weight         1367.32
_chemical_name_systematic
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?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 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                 112.490(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.969(7)
_cell_length_b                   14.209(4)
_cell_length_c                   23.049(11)
_cell_measurement_reflns_used    11089
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      2.9
_cell_volume                     6345(4)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2004)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0527
_diffrn_reflns_av_sigmaI/netI    0.0505
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            19195
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    4.661
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.380
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.431
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             2744
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         4.029
_refine_diff_density_min         -1.892
_refine_diff_density_rms         0.151
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     333
_refine_ls_number_reflns         5687
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0450
_refine_ls_R_factor_gt           0.0386
_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^)+(0.0408P)^2^+20.7783P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0943
_refine_ls_wR_factor_ref         0.1006
_reflns_number_gt                4959
_reflns_number_total             5687
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00276c.txt
_cod_data_source_block           3n
_cod_depositor_comments
;
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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      I2/a
_cod_database_code               7026220