Solid-state synthesis of head-to-tail photodimers from supramolecular assemblies directed by charge-assisted hydrogen bonds
Linares, Maholy; Briceño, Alexander; New Journal of Chemistry 34 (2010) 587–; doi:10.1039/b9nj00608g

data_7053385
_publ_section_title
;
 Solid-state synthesis of head-to-tail photodimers from supramolecular
 assemblies directed by charge-assisted hydrogen bonds
;
_journal_issue                   4
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              587
_journal_paper_doi               10.1039/b9nj00608g
_journal_volume                  34
_journal_year                    2010
_chemical_compound_source        Synthesis
_chemical_formula_moiety         'C13 H12 N, 0.5(C10 H4 O8)'
_chemical_formula_sum            'C18 H14 N O4'
_chemical_formula_weight         308.30
_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_date             '20 August 2008'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.767(10)
_cell_angle_beta                 106.763(10)
_cell_angle_gamma                108.1770(10)
_cell_formula_units_Z            2
_cell_length_a                   7.559(4)
_cell_length_b                   10.106(6)
_cell_length_c                   11.410(7)
_cell_measurement_reflns_used    1502
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.80
_cell_measurement_theta_min      2.00
_cell_volume                     733.8(7)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_molecular_graphics
;
SHELXLTL-NT V5.1 (Bruker AXS, 1998) and DIAMOND
(Brandenburg, 1998)
;
_computing_publication_material
;
SHELXLTL-NT V5.1 (Bruker AXS, 1998) and PLATON (Spek, 2003).
;
_computing_structure_refinement  'SHELXLTL-NT V5.1 (Bruker AXS, 1998)'
_computing_structure_solution    'SHELXLTL-NT V5.1 (Bruker AXS, 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.771
_diffrn_measurement_device       'Mercury (2x2 bin mode)'
_diffrn_measurement_device_type  'Rigaku AFC7S Mercury'
_diffrn_measurement_method       '\w '
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0231
_diffrn_reflns_av_sigmaI/netI    0.0317
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7661
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.89
_diffrn_reflns_theta_min         2.01
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.975
_exptl_absorpt_correction_T_min  0.949
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            'Pale yellow'
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             322
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.486
_refine_diff_density_min         -0.274
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         2694
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0800
_refine_ls_R_factor_gt           0.0613
_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^)+(0.0693P)^2^+0.3306P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1504
_refine_ls_wR_factor_ref         0.1642
_reflns_number_gt                2076
_reflns_number_total             2694
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b9nj00608g.txt
_cod_data_source_block           shelxle2
_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 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi Scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7053385