Highly Twisted N,N-Dialkylamines as a Design Strategy to Tune Simple Aromatic Hydrocarbons as Steric Environment-Sensitive Fluorophores.
Sasaki, Shunsuke; Suzuki, Satoshi; Sameera, W. M. C.; Igawa, Kazunobu; Morokuma, Keiji; Konishi, Gen-Ichi; Journal of the American Chemical Society 138 (2016) 8194–8206; doi:10.1021/jacs.6b03749

data_4130461
_publ_section_title
;
 Highly Twisted N,N-Dialkylamines as a Design Strategy to Tune Simple
 Aromatic Hydrocarbons as Steric Environment-Sensitive Fluorophores.
;
_journal_issue                   26
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8194
_journal_page_last               8206
_journal_paper_doi               10.1021/jacs.6b03749
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C24 H28 N2'
_chemical_formula_sum            'C24 H28 N2'
_chemical_formula_weight         344.50
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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
_cell_angle_alpha                101.595(6)
_cell_angle_beta                 103.106(5)
_cell_angle_gamma                99.662(4)
_cell_formula_units_Z            1
_cell_length_a                   7.388(2)
_cell_length_b                   7.625(2)
_cell_length_c                   9.047(3)
_cell_measurement_reflns_used    1447
_cell_measurement_temperature    123
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      3.19
_cell_volume                     473.9(2)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'Il Milione (Burla, et al., 2007)'
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 14.222
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1339
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7618
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.207
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             186.00
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.500
_refine_diff_density_min         -0.630
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     118
_refine_ls_number_reflns         2156
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0802
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1300P)^2^+0.1922P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.2243
_reflns_number_gt                1890
_reflns_number_total             2156
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja6b03749_si_002.cif
_cod_data_source_block           910BPA
_cod_original_cell_volume        473.9(3)
_cod_database_code               4130461