Polymorphism in atrans-Cinnamic Acid Derivative Exhibiting Two Distinct β-type Phases: Structural Properties, [2 + 2] Photodimerization Reactions, and Polymorphic Phase Transition Behavior
Khoj, Manal A.; Hughes, Colan E.; Harris, Kenneth D. M.; Kariuki, Benson M.; Crystal Growth & Design 13 (2013) 4110–; doi:10.1021/cg4009202

data_4508252
_publ_section_title
;
 Polymorphism in atrans-Cinnamic Acid Derivative Exhibiting Two Distinct
 \b-type Phases: Structural Properties, [2 + 2] Photodimerization
 Reactions, and Polymorphic Phase Transition Behavior
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4110
_journal_paper_doi               10.1021/cg4009202
_journal_volume                  13
_journal_year                    2013
_chemical_formula_moiety         'C9 H7 F O2'
_chemical_formula_sum            'C9 H7 F O2'
_chemical_formula_weight         166.15
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 91.250(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.5290(4)
_cell_length_b                   3.7750(2)
_cell_length_c                   31.1015(18)
_cell_measurement_reflns_used    1227
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      73.42
_cell_measurement_theta_min      5.69
_cell_volume                     766.38(8)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_diffrn_ambient_temperature      150.00(10)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.943
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_av_R_equivalents  0.0160
_diffrn_reflns_av_sigmaI/netI    0.0286
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -2
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            2253
_diffrn_reflns_theta_full        70.00
_diffrn_reflns_theta_max         73.42
_diffrn_reflns_theta_min         5.69
_exptl_absorpt_coefficient_mu    1.002
_exptl_absorpt_correction_T_max  0.9706
_exptl_absorpt_correction_T_min  0.8248
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.250
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         1462
_refine_ls_number_restraints     289
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0597
_refine_ls_R_factor_gt           0.0513
_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^)+(0.0771P)^2^+0.3151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1442
_refine_ls_wR_factor_ref         0.1518
_reflns_number_gt                1227
_reflns_number_total             1462
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            cg4009202_si_001.cif
_cod_data_source_block           bmk1347
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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      P21/c
_cod_database_code               4508252