Molecular Accordion: Vapoluminescence and Molecular Flexibility in the Orange and Green Luminescent Crystals of the Dimer, Au2(μ-bis-(diphenylphosphino)ethane)2Br2
Sang Ho Lim; Marilyn M. Olmstead; Alan L. Balch; Journal of the American Chemical Society 133 (2011) 10229–10238; doi:10.1021/ja2026807

data_4106342
_publ_section_title
;
 Molecular Accordion: Vapoluminescence and Molecular Flexibility in the
 Orange and Green Luminescent Crystals of the Dimer,
 Au2(\m-bis-(diphenylphosphino)ethane)2Br2
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10229
_journal_page_last               10238
_journal_paper_doi               10.1021/ja2026807
_journal_volume                  133
_journal_year                    2011
_chemical_formula_moiety         'C52 H48 Au2 Br2 P4, 2(C2 H6 O S)'
_chemical_formula_sum            'C56 H60 Au2 Br2 O2 P4 S2'
_chemical_formula_weight         1506.79
_chemical_name_common            '[AuBr(dppe)]2 .2DMSO'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 106.416(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.6725(4)
_cell_length_b                   23.1389(9)
_cell_length_c                   11.7127(5)
_cell_measurement_reflns_used    8968
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      27.499
_cell_measurement_theta_min      2.446
_cell_volume                     2774.5(2)
_computing_cell_refinement       SAINT
_computing_data_collection       'SMART 5.054 (Bruker, 2003)'
_computing_data_reduction        'SAINT 6.45A (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL 5.1, XP (Sheldrick, 1994)'
_computing_publication_material  'SHELXS-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART 1000'
_diffrn_measurement_method       \w
_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  0.0592
_diffrn_reflns_av_sigmaI/netI    0.0477
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            30634
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    6.953
_exptl_absorpt_correction_T_max  0.706
_exptl_absorpt_correction_T_min  0.612
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.804
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.737
_refine_diff_density_min         -0.668
_refine_diff_density_rms         0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     312
_refine_ls_number_reflns         6391
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0264
_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^)+(0.0143P)^2^+3.9174P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0475
_refine_ls_wR_factor_ref         0.0555
_reflns_number_gt                4897
_reflns_number_total             6391
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2026807_si_003.cif
_cod_data_source_block           sh109
_cod_original_cell_volume        2774.54(19)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4106342