Structural effects on the solid-state photodimerization of 2-pyridone derivatives in inclusion compounds
Telzhensky, Marina; Kaftory, Menahem; Acta Crystallographica Section C 65 (2009) o314–o320; doi:10.1107/S010827010901751X

data_2017177
_publ_section_title
;
 Structural effects on the solid-state photodimerization of 2-pyridone
 derivatives in inclusion compounds
;
_journal_coeditor_code           FG3097
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o314
_journal_page_last               o320
_journal_paper_doi               10.1107/S010827010901751X
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C30 H22 O2, 2C6 H7 N O'
_chemical_formula_moiety         'C30 H22 O2, 2(C6 H7 N O)'
_chemical_formula_sum            'C42 H36 N2 O4'
_chemical_formula_weight         632.73
_chemical_name_systematic
;1,1,6,6-tetraphenyl-2,4-hexdiyne-1,6-diol--4-methyl-2-(1<i>H</i>)-pyridone
 (1/2)
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                106.71(3)
_cell_angle_beta                 111.54(2)
_cell_angle_gamma                95.87(2)
_cell_formula_units_Z            1
_cell_length_a                   8.640(2)
_cell_length_b                   10.203(2)
_cell_length_c                   11.403(3)
_cell_measurement_reflns_used    8509
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.83
_cell_measurement_theta_min      2.05
_cell_volume                     870.8(4)
_computing_cell_refinement       'DENZO HKL2000 (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius, 2006)'
_computing_data_reduction        'DENZO HKL2000 (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Nonius KappaCCD'
_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  0.034
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8509
_diffrn_reflns_theta_full        25.83
_diffrn_reflns_theta_max         25.83
_diffrn_reflns_theta_min         2.05
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.208
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             334.0
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.142
_refine_diff_density_min         -0.152
_refine_ls_extinction_coef       0.086(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   0.980
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3215
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.0859
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0731P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1096
_refine_ls_wR_factor_ref         0.1311
_reflns_number_gt                1947
_reflns_number_total             3215
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            fg3097.cif
_cod_data_source_block           II-c
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2017177
_cod_database_fobs_code          2017177