Highly Emissive Cyclometalated Rhenium Metallacycles: Structure-Luminescence Relationship
Yi-Hsiu Tseng; Dibyendu Bhattacharya; Shih-Ming Lin; P. Thanasekaran; Jing-Yun Wu; Li-Wei Lee; M. Sathiyendiran; Mei-Lin Ho; Min-Wen Chung; Kung-Chung Hsu; Pi-Tai Chou; Kuang-Lieh Lu; Inorganic Chemistry 49 (2010) 6805–6807; doi:10.1021/ic100882u

data_4316151
_publ_section_title
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 Highly Emissive Cyclometalated Rhenium Metallacycles:
 Structure-Luminescence Relationship
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6805
_journal_page_last               6807
_journal_paper_doi               10.1021/ic100882u
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C50 H39 N7 O7 Re2'
_chemical_formula_sum            'C50 H39 N7 O7 Re2'
_chemical_formula_weight         1222.28
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                   11.0604(3)
_cell_length_b                   15.2102(4)
_cell_length_c                   27.2689(8)
_cell_measurement_reflns_used    14619
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      2.037
_cell_volume                     4587.5(2)
_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    'WinGX publication routines (Farrugia, 1999)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Kappa CCD'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.1106
_diffrn_reflns_av_sigmaI/netI    0.0851
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            12395
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    5.333
_exptl_absorpt_correction_T_max  0.9008
_exptl_absorpt_correction_T_min  0.2242
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.770
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2376
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.02
_refine_diff_density_max         2.242
_refine_diff_density_min         -2.571
_refine_diff_density_rms         0.494
_refine_ls_extinction_coef       0.0064(6)
_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   1.177
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     304
_refine_ls_number_reflns         4185
_refine_ls_number_restraints     175
_refine_ls_restrained_S_all      1.156
_refine_ls_R_factor_all          0.1190
_refine_ls_R_factor_gt           0.0866
_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^)+(0.1281P)^2^+50.4158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2289
_refine_ls_wR_factor_ref         0.2570
_reflns_number_gt                3084
_reflns_number_total             4185
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic100882u_si_001_1.cif
_cod_data_source_block           cpd1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
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_cod_database_code               4316151