Photo-mechanical azobenzene cocrystals and in situ X-ray diffraction monitoring of their optically-induced crystal-to-crystal isomerisation
Bushuyev, Oleksandr S.; Corkery, T. Christopher; Barrett, Christopher J.; Friščić, Tomislav; Chemical Science 5 (2014) 3158–; doi:10.1039/c4sc00987h

data_1516162
_publ_section_title
;
 Photo-mechanical azobenzene cocrystals and in situ X-ray diffraction
 monitoring of their optically-induced crystal-to-crystal isomerisation
;
_journal_issue                   8
_journal_name_full               'Chemical Science'
_journal_page_first              3158
_journal_paper_doi               10.1039/c4sc00987h
_journal_volume                  5
_journal_year                    2014
_chemical_formula_sum            'C24 H10 F8 I2 N4'
_chemical_formula_weight         760.16
_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                 123.6470(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   40.225(5)
_cell_length_b                   5.8436(7)
_cell_length_c                   25.726(3)
_cell_measurement_reflns_used    6173
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      2.43
_cell_volume                     5034.0(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       51
_diffrn_reflns_limit_h_min       -52
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            17313
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    2.580
_exptl_absorpt_correction_T_max  0.7788
_exptl_absorpt_correction_T_min  0.2336
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.006
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             2880
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.305
_refine_diff_density_min         -0.563
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         5644
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0277
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0238P)^2^+10.3501P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0580
_refine_ls_wR_factor_ref         0.0656
_reflns_number_gt                4606
_reflns_number_total             5644
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc00987h6.cif
_cod_data_source_block           (cis-2)(cis-bpe)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 1516158--1516167.cif.
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_cod_original_cell_volume        5033.9(10)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1516162