Formation of different photodimers of isoquinolinone by irradiation of solid molecular compounds
Cao, Deng-Ke; Sreevidya, Thekku V.; Botoshansky, Mark; Golden, Gilad; Benedict, Jason B.; Kaftory, Menahem; CrystEngComm 13 (2011) 3181–; doi:10.1039/c0ce00489h

data_7205619
_publ_section_title
;
 Formation of different photodimers of isoquinolinone by irradiation of
 solid molecular compounds
;
_journal_issue                   9
_journal_name_full               CrystEngComm
_journal_page_first              3181
_journal_paper_doi               10.1039/c0ce00489h
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C30 H22 O2 , C18 H14 N2 O2'
_chemical_formula_sum            'C48 H36 N2 O4'
_chemical_formula_weight         704.79
_chemical_name_systematic
;
1,1,6,6-tetraphenyl-2,4-hexadiyne-1,6-diol:
2(dimer of Isoquinolin-3(2H)-one)
;
_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   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 114.443(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.761(8)
_cell_length_b                   9.111(3)
_cell_length_c                   16.998(6)
_cell_measurement_reflns_used    1166
_cell_measurement_temperature    286(2)
_cell_measurement_theta_max      19.41
_cell_measurement_theta_min      2.55
_cell_volume                     3773(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      286(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0971
_diffrn_reflns_av_sigmaI/netI    0.1166
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            12245
_diffrn_reflns_theta_full        26.45
_diffrn_reflns_theta_max         26.45
_diffrn_reflns_theta_min         2.39
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.241
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1480
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.273
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       0.0042(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.926
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         3873
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.926
_refine_ls_R_factor_all          0.2198
_refine_ls_R_factor_gt           0.0879
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1920P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2394
_refine_ls_wR_factor_ref         0.3502
_reflns_number_gt                1294
_reflns_number_total             3873
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00489h.txt
_cod_data_source_block           Cao5(prism)_dimer
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7205619