Design, Synthesis, and Structural and Spectroscopic Studies of Push-Pull Two-Photon Absorbing Chromophores with Acceptor Groups of Varying Strength
Alma R. Morales; Andrew Frazer; Adam W. Woodward; Hyo-Yang Ahn-White; Alexandr Fonari; Paul Tongwa; Tatiana Timofeeva; Kevin D. Belfield; Journal of Organic Chemistry 78 (2013) 1014–1025; doi:10.1021/jo302423p

data_4027902
_publ_section_title
;
 Design, Synthesis, and Structural and Spectroscopic Studies of Push-Pull
 Two-Photon Absorbing Chromophores with Acceptor Groups of Varying
 Strength
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1014
_journal_page_last               1025
_journal_paper_doi               10.1021/jo302423p
_journal_volume                  78
_journal_year                    2013
_chemical_formula_moiety         'C34 H29 N3'
_chemical_formula_sum            'C34 H29 N3'
_chemical_formula_weight         479.60
_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   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                98.469(2)
_cell_angle_beta                 101.687(2)
_cell_angle_gamma                110.096(2)
_cell_formula_units_Z            2
_cell_length_a                   8.7255(12)
_cell_length_b                   10.8750(15)
_cell_length_c                   15.855(2)
_cell_measurement_reflns_used    2966
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.2027
_cell_measurement_theta_min      2.5681
_cell_volume                     1344.6(3)
_computing_cell_refinement       'SAINT+ ver. 6.2 (Bruker, 2001)'
_computing_data_collection       'APEX2  (Bruker, 2005)'
_computing_data_reduction        'SAINT+ ver. 6.2 (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL ver. 6.12 (Sheldrick, 2001)'
_computing_publication_material  'SHELXTL ver. 6.12 (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0462
_diffrn_reflns_av_sigmaI/netI    0.0531
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15749
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.9931
_exptl_absorpt_correction_T_min  0.9560
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.185
_exptl_crystal_description       needle
_exptl_crystal_F_000             508
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.252
_refine_diff_density_min         -0.213
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         5277
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.0743
_refine_ls_R_factor_gt           0.0434
_refine_ls_shift/su_max          0.050
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0496P)^2^+0.1672P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0965
_refine_ls_wR_factor_ref         0.1083
_reflns_number_gt                3689
_reflns_number_total             5277
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo302423p_si_004.cif
_cod_data_source_block           paul39
_cod_original_sg_symbol_Hall     -P1
_cod_database_code               4027902