Synthesis, Characterization, and Crystal Structures of 1,1-Disubstituted-2,3,4,5-tetraphenylgermoles That Exhibit Aggregation-Induced Emission
Bandrowsky, Teresa L.; Carroll, James B.; Braddock-Wilking, Janet; Organometallics 30 (2011) 3559–; doi:10.1021/om200259n

data_4064674
_publ_section_title
;
 Synthesis, Characterization, and Crystal Structures of
 1,1-Disubstituted-2,3,4,5-tetraphenylgermoles That Exhibit
 Aggregation-Induced Emission
;
_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              3559
_journal_paper_doi               10.1021/om200259n
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C56 H38 Ge1 O2'
_chemical_formula_sum            'C56 H38 Ge O2'
_chemical_formula_weight         815.51
_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   direct
_cell_angle_alpha                90
_cell_angle_beta                 98.9710(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   24.2228(2)
_cell_length_b                   10.21630(10)
_cell_length_c                   16.7527(2)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    293
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     4095.03(7)
_computing_cell_refinement       'USER DEFINED CELL REFINEMENT'
_computing_data_collection       'USER DEFINED DATA COLLECTION'
_computing_data_reduction        'USER DEFINED DATA REDUCTION'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SHELXS 86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      293
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       Serial
_diffrn_measurement_device_type  Unknown
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.046
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            43667
_diffrn_reflns_theta_full        29.684
_diffrn_reflns_theta_max         29.684
_diffrn_reflns_theta_min         1.702
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.792
_exptl_absorpt_correction_T_max  0.7459
_exptl_absorpt_correction_T_min  0.6711
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangular
_exptl_crystal_F_000             1688
_exptl_crystal_size_max          0.207
_exptl_crystal_size_mid          0.189
_exptl_crystal_size_min          0.174
_refine_diff_density_max         0.60
_refine_diff_density_min         -0.80
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     267
_refine_ls_number_reflns         5787
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0397
_refine_ls_R_factor_gt           0.0314
_refine_ls_shift/su_max          0.0009098
_refine_ls_shift/su_mean         0.0000444
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 1.76 2.21 0.562 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0827
_refine_ls_wR_factor_gt          0.0756
_refine_ls_wR_factor_ref         0.0827
_reflns_limit_h_max              33
_reflns_limit_h_min              -33
_reflns_limit_k_max              14
_reflns_limit_k_min              0
_reflns_limit_l_max              23
_reflns_limit_l_min              0
_reflns_number_gt                4781
_reflns_number_total             5803
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_r_factor_ref   0.0397
_oxford_refine_ls_scale          0.061022(7)
_oxford_reflns_number_all        5787
_oxford_reflns_threshold_expression_ref I>-4.0\s(I)
_cod_data_source_file            om200259n_si_007.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      'C 1 2/c 1 '
_cod_original_formula_sum        'C56 H38 Ge1 O2'
_cod_database_code               4064674
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S 
RIDE C   (   5,X'S) H   (  51,X'S) 
RIDE C   (   6,X'S) H   (  61,X'S) 
RIDE C   (   7,X'S) H   (  71,X'S) 
RIDE C   (   8,X'S) H   (  81,X'S) 
RIDE C   (   9,X'S) H   (  91,X'S) 
RIDE C   (  11,X'S) H   ( 111,X'S) 
RIDE C   (  12,X'S) H   ( 121,X'S) 
RIDE C   (  13,X'S) H   ( 131,X'S) 
RIDE C   (  14,X'S) H   ( 141,X'S) 
RIDE C   (  15,X'S) H   ( 151,X'S) 
RIDE C   (  19,X'S) H   ( 191,X'S) 
RIDE C   (  20,X'S) H   ( 201,X'S) 
RIDE C   (  24,X'S) H   ( 241,X'S) 
RIDE C   (  25,X'S) H   ( 251,X'S) 
RIDE C   (  26,X'S) H   ( 261,X'S) 
RIDE C   (  27,X'S) H   ( 271,X'S) 
RIDE C   (  28,X'S) H   ( 281,X'S) 
RIDE C   (  29,X'S) H   ( 291,X'S) 
RIDE C   (  30,X'S) H   ( 301,X'S) 
END                                                                             
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_iucr_refine_instruction_details_restraints
;
NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
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