Cation and hydrogen bonding effects on the self-association and luminescence of the dicyanoaurate ion, [Au(CN)2]?
Stender, Matthias; Olmstead, Marilyn M.; Balch, Alan L.; Rios, Daniel; Attar, Saeed; Dalton Transactions  (2003) 4282–; doi:10.1039/b310085e

data_7013556
_publ_section_title
;
 Cation and hydrogen bonding effects on the self-association and
 luminescence of the dicyanoaurate ion, [Au(CN)2]?
;
_journal_issue                   22
_journal_name_full               'Dalton Transactions'
_journal_page_first              4282
_journal_paper_doi               10.1039/b310085e
_journal_year                    2003
_chemical_formula_sum            'C6 H10 Au N3'
_chemical_formula_weight         321.14
_chemical_name_common            'Pyrrolidinium Gold cyanide'
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 121.927(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.215(3)
_cell_length_b                   8.5264(11)
_cell_length_c                   11.8138(15)
_cell_measurement_reflns_used    835
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      30.72
_cell_measurement_theta_min      2.94
_cell_volume                     1728.2(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL v. 5.10'
_computing_molecular_graphics    'XP, Bruker SHELXTL v. 5.10'
_computing_publication_material  'XCIF, Bruker SHELXTL v. 5.10'
_computing_structure_refinement  'XL, Bruker SHELXTL v. 5.10'
_computing_structure_solution    'XS, Bruker SHELXTL v. 5.10'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.941
_diffrn_measured_fraction_theta_max 0.941
_diffrn_measurement_device_type  'Bruker SMART 1000'
_diffrn_measurement_method       /w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0423
_diffrn_reflns_av_sigmaI/netI    0.0382
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11083
_diffrn_reflns_theta_full        31.43
_diffrn_reflns_theta_max         31.43
_diffrn_reflns_theta_min         2.37
_diffrn_standards_decay_%        <0.01
_diffrn_standards_number         '50 frames remeasured'
_exptl_absorpt_coefficient_mu    16.958
_exptl_absorpt_correction_T_max  0.6302
_exptl_absorpt_correction_T_min  0.2570
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS: an empirical absorption program by G. M. Sheldrick
using the method described by Blessing, R. H.; Acta Cryst.
A51, 1995, 33.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.468
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.710
_refine_diff_density_min         -2.077
_refine_diff_density_rms         0.201
_refine_ls_extinction_coef       0.00015(4)
_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   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     110
_refine_ls_number_reflns         2690
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0353
_refine_ls_R_factor_gt           0.0237
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0205P)^2^+1.6115P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0497
_refine_ls_wR_factor_ref         0.0526
_reflns_number_gt                2219
_reflns_number_total             2690
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b310085e.txt
_cod_data_source_block           mas126h
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'multi scan' changed to
'multi-scan' 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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7013556