Single crystal to single crystal [2+2] photoreactions in chloride and sulphate salts of 4-amino-cinnamic acid via solid-solution formation: a structural and kinetic study.
d'Agostino, Simone; Spinelli, Floriana; Boanini, Elisa; Braga, Dario; Grepioni, Fabrizia; Chemical communications (Cambridge, England) 52 (2016) 1899–1902; doi:10.1039/c5cc09412g

data_7118569
_publ_section_title
;
 Single crystal to single crystal [2+2] photoreactions in chloride and
 sulphate salts of 4-amino-cinnamic acid via solid-solution formation: a
 structural and kinetic study.
;
_journal_issue                   9
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1899
_journal_page_last               1902
_journal_paper_doi               10.1039/c5cc09412g
_journal_volume                  52
_journal_year                    2016
_chemical_formula_sum            'C9 H10 Cl N O2'
_chemical_formula_weight         199.63
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_audit_update_record
;
2015-11-12 deposited with the CCDC.
2015-12-08 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.741(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.6907(5)
_cell_length_b                   8.4732(18)
_cell_length_c                   18.860(3)
_cell_measurement_reflns_used    964
_cell_measurement_temperature    298
_cell_measurement_theta_max      24.9390
_cell_measurement_theta_min      3.2220
_cell_volume                     909.0(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.1340
_diffrn_detector_type            Sapphire3
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
;
  1 omega  -21.00   14.00   1.0000  200.0000
omega____ theta____ kappa____ phi______ frames
    -      -16.3596  -99.0000   30.0000 35

  2 omega  -68.00  -36.00   1.0000  200.0000
omega____ theta____ kappa____ phi______ frames
    -      -16.3596 -179.0000    0.0000 32

  3 omega  -44.00   39.00   1.0000  200.0000
omega____ theta____ kappa____ phi______ frames
    -       17.6096  -38.0000 -150.0000 83

  4 omega   -1.00   74.00   1.0000  200.0000
omega____ theta____ kappa____ phi______ frames
    -       17.6096   57.0000    0.0000 75

;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0573
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            3408
_diffrn_reflns_theta_full        24.74
_diffrn_reflns_theta_max         24.74
_diffrn_reflns_theta_min         2.64
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.384
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.39957
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.459
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.528
_refine_diff_density_min         -0.499
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.173
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         1554
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.173
_refine_ls_R_factor_all          0.1249
_refine_ls_R_factor_gt           0.1019
_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^)+(0.0636P)^2^+2.5912P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2137
_refine_ls_wR_factor_ref         0.2266
_reflns_number_gt                1252
_reflns_number_total             1554
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c5cc09412g2.cif
_cod_data_source_block           1HCl_37
_cod_original_cell_volume        909.0(2)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7118569