Octanuclear gold(I) alkynyl-diphosphine clusters showing thermochromic luminescence
Igor O. Koshevoy; Chia-Li Lin; Antti J. Karttunen; Matti Haukka; Chun-Wei Shih; Pi-Tai Chou; Sergey P. Tunik; Tapani A. Pakkanen; Chem.Commun. 47 (2011) 5533–; doi:10.1039/c1cc11352f

data_7106392
_publ_section_title
;
 Octanuclear gold(I) alkynyl-diphosphine clusters showing thermochromic
 luminescence
;
_journal_name_full               Chem.Commun.
_journal_page_first              5533
_journal_paper_doi               10.1039/c1cc11352f
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C88 H94 Au8 P4, 2(Cl O4)'
_chemical_formula_sum            'C88 H94 Au8 Cl2 O8 P4'
_chemical_formula_weight         3050.14
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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_method           SHELXL-97
_cell_angle_alpha                106.781(3)
_cell_angle_beta                 95.591(3)
_cell_angle_gamma                111.261(2)
_cell_formula_units_Z            2
_cell_length_a                   13.0014(7)
_cell_length_b                   17.4798(10)
_cell_length_c                   23.2057(19)
_cell_measurement_reflns_used    9229
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.48
_cell_volume                     4583.2(5)
_computing_cell_refinement       'SAINT (Bruker AXS, 2009)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT (Bruker AXS, 2009)'
_computing_molecular_graphics    'Diamond v.3.2e (Brandenburg, 2010)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       '62mm x 62mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Bruker KAPPA APEX II DUO CCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offset'
_diffrn_radiation_monochromator  'curved graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0276
_diffrn_reflns_av_sigmaI/netI    0.0342
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            62956
_diffrn_reflns_theta_full        26.75
_diffrn_reflns_theta_max         26.75
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    12.931
_exptl_absorpt_correction_T_max  0.4097
_exptl_absorpt_correction_T_min  0.1666
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2824
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.482
_refine_diff_density_min         -1.160
_refine_diff_density_rms         0.207
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1054
_refine_ls_number_reflns         19414
_refine_ls_number_restraints     48
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0517
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0369P)^2^+45.0860P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0778
_refine_ls_wR_factor_ref         0.0871
_reflns_number_gt                15587
_reflns_number_total             19414
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc11352f.txt
_cod_data_source_block           3
_cod_database_code               7106392