Synthesis of coumarin/phenanthridine-fused heterocycles and their photochemical and thermochromic properties.
Chen, Jiun-Jia; Li, Kuan-Ting; Yang, Ding-Yah; Organic letters 13 (2011) 1658–1661; doi:10.1021/ol200117b

data_1502037
_publ_section_title
;
 Synthesis of coumarin/phenanthridine-fused heterocycles and their
 photochemical and thermochromic properties.
;
_journal_issue                   7
_journal_name_full               'Organic letters'
_journal_page_first              1658
_journal_page_last               1661
_journal_paper_doi               10.1021/ol200117b
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C23 H20 N2 O2'
_chemical_formula_sum            'C23 H20 N2 O2'
_chemical_formula_weight         356.41
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 116.038(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.9549(18)
_cell_length_b                   17.960(2)
_cell_length_c                   14.7060(17)
_cell_measurement_reflns_used    3615
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      23.872
_cell_measurement_theta_min      2.721
_cell_volume                     3549.0(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0601
_diffrn_reflns_av_sigmaI/netI    0.0647
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            20103
_diffrn_reflns_theta_full        26.07
_diffrn_reflns_theta_max         26.07
_diffrn_reflns_theta_min         1.89
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9872
_exptl_absorpt_correction_T_min  0.9551
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   empirical
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.248
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     487
_refine_ls_number_reflns         6987
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.1261
_refine_ls_R_factor_gt           0.0603
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0900P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1598
_refine_ls_wR_factor_ref         0.1928
_reflns_number_gt                3533
_reflns_number_total             6987
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol200117b_si_002.cif
_cod_data_source_block           jj008m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'constro' was replaced with the
value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1502037