Cation-π Controlled Solid-State Photodimerization of 4-Azachalcones
Shinji Yamada; Yoko Tokugawa; Journal of the American Chemical Society 131 (2009) 2098–2099; doi:10.1021/ja809906c

data_4103936
_publ_section_title
;
 Cation-\p Controlled Solid-State Photodimerization of 4-Azachalcones
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2098
_journal_page_last               2099
_journal_paper_doi               10.1021/ja809906c
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'C14 H14 Cl N O2 '
_chemical_formula_sum            'C14 H14 Cl N O2'
_chemical_formula_weight         263.72
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90.0000
_cell_angle_beta                 94.0378(16)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            8
_cell_length_a                   22.3925(7)
_cell_length_b                   6.04763(18)
_cell_length_c                   18.9197(6)
_cell_measurement_reflns_used    4742
_cell_measurement_temperature    296.1
_cell_measurement_theta_max      68.2
_cell_measurement_theta_min      4.0
_cell_volume                     2555.78(14)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  SHELXL
_computing_structure_solution    SIR92
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.096
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12482
_diffrn_reflns_theta_full        68.18
_diffrn_reflns_theta_max         68.18
_exptl_absorpt_coefficient_mu    2.596
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1104.00
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.35
_refine_diff_density_min         -0.20
_refine_ls_extinction_coef       0.0012(2)
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     161
_refine_ls_number_reflns         2333
_refine_ls_R_factor_gt           0.0459
_refine_ls_shift/su_max          0.0010
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0818P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1405
_reflns_number_gt                1854
_reflns_number_total             2333
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja809906c_si_002.cif
_cod_data_source_block           '_Compd1aHCl'
_cod_original_cell_volume        2555.78(13)
_cod_original_formula_sum        'C14 H14 Cl N O2 '
_cod_database_code               4103936