Single-crystal-to-single-crystal E‒>Z and Z‒>E isomerizations of 3-chloroacrylic acid within the nanocavities of a supramolecular framework.
Zheng, Shao-Liang; Messerschmidt, Marc; Coppens, Philip; Chemical communications (Cambridge, England)  (2007) 2735–2737; doi:10.1039/b703378h

data_7102023
_publ_section_title
;
 Single-crystal-to-single-crystal E--&gt;Z and Z--&gt;E isomerizations
 of 3-chloroacrylic acid within the nanocavities of a supramolecular
 framework.
;
_journal_issue                   26
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              2735
_journal_page_last               2737
_journal_paper_doi               10.1039/b703378h
_journal_year                    2007
_chemical_formula_sum            'C41 H54 Cl O13.5'
_chemical_formula_weight         798.29
_chemical_melting_point          ?
_chemical_name_common            CECR-Z-HClA-2MeOH-1.5H2O@90k-2h
_chemical_name_systematic
;
?
;
_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   constr
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                98.9479(10)
_cell_angle_beta                 110.1919(10)
_cell_angle_gamma                95.1444(10)
_cell_formula_units_Z            2
_cell_length_a                   11.3736(4)
_cell_length_b                   13.3966(4)
_cell_length_c                   14.6486(5)
_cell_measurement_reflns_used    675
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2.5
_cell_volume                     2044.42(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0216
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14724
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.159
_exptl_absorpt_correction_T_max  0.9812
_exptl_absorpt_correction_T_min  0.9690
_exptl_absorpt_correction_type   'empirical SADABS'
_exptl_absorpt_process_details
'Blessing, R. (1995) Acta Crystallogr., A51, 33-38'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             850
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.941
_refine_diff_density_min         -0.467
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.209
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     550
_refine_ls_number_reflns         7186
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.209
_refine_ls_R_factor_all          0.0839
_refine_ls_R_factor_gt           0.0657
_refine_ls_shift/su_max          0.003
_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^+2.2830P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1693
_refine_ls_wR_factor_ref         0.1800
_reflns_number_gt                5561
_reflns_number_total             7186
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b703378h.txt
_cod_data_source_block           CECR-Z-HClA-2MeOH-1.5H2O@90k-2h
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C41 H54 Cl O13.50'
_cod_database_code               7102023