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_4508253
_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         'C19 H14 F2 O4, C H4 O2'
_chemical_formula_sum            'C20 H18 F2 O6'
_chemical_formula_weight         392.34
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_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                77.057(5)
_cell_angle_beta                 77.346(5)
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_cell_formula_units_Z            2
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_cell_length_c                   15.1547(9)
_cell_measurement_reflns_used    2491
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      73.91
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_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
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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 0.963
_diffrn_measured_fraction_theta_max 0.963
_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  0.0470
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_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
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_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            6905
_diffrn_reflns_theta_full        73.91
_diffrn_reflns_theta_max         73.91
_diffrn_reflns_theta_min         5.37
_exptl_absorpt_coefficient_mu    0.999
_exptl_absorpt_correction_T_max  0.9726
_exptl_absorpt_correction_T_min  0.8199
_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            yellow
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
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_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.280
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_refine_ls_extinction_method     none
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_refine_ls_number_parameters     275
_refine_ls_number_reflns         3618
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0859
_refine_ls_R_factor_gt           0.0520
_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^)+(0.0624P)^2^+0.0522P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1244
_refine_ls_wR_factor_ref         0.1474
_reflns_number_gt                2491
_reflns_number_total             3618
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            cg4009202_si_001.cif
_cod_data_source_block           exp_159
_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.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        926.91(9)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4508253