Modulating Supramolecular Reactivity Using Covalent “Switches” on a Pyrazole Platform
Aakeröy, Christer B.; Hurley, Evan P.; Desper, John; Crystal Growth & Design 12 (2012) 5806–; doi:10.1021/cg301391s

data_4507113
_publ_section_title
;
 Modulating Supramolecular Reactivity Using Covalent
 &#x201C;Switches&#x201D; on a Pyrazole Platform
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5806
_journal_paper_doi               10.1021/cg301391s
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety
;
(C3 H4 N2) (C7 H4 O2 Cl2)2
;
_chemical_formula_sum            'C17 H12 Cl4 N2 O4'
_chemical_formula_weight         450.09
_chemical_name_systematic
;
EH-4-90-1 pyrazole, 3,5-Cl2-PhCOOH
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                73.355(8)
_cell_angle_beta                 89.353(9)
_cell_angle_gamma                68.778(7)
_cell_formula_units_Z            2
_cell_length_a                   7.7111(12)
_cell_length_b                   9.6247(14)
_cell_length_c                   14.275(2)
_cell_measurement_reflns_used    6203
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.11
_cell_measurement_theta_min      2.40
_cell_volume                     941.1(2)
_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      120(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.947
_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  0.0641
_diffrn_reflns_av_sigmaI/netI    0.0620
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            17412
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         1.50
_exptl_absorpt_coefficient_mu    0.655
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.4756
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.588
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.237
_refine_diff_density_min         -0.420
_refine_diff_density_rms         0.166
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.374
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         5429
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.374
_refine_ls_R_factor_all          0.1192
_refine_ls_R_factor_gt           0.0861
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2058
_refine_ls_wR_factor_ref         0.2302
_reflns_number_gt                3606
_reflns_number_total             5429
_reflns_threshold_expression     &gt;2sigma(I)
_cod_data_source_file            cg301391s_si_002.cif
_cod_data_source_block           1.H:R
_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_sg_symbol_H-M      P-1
_cod_database_code               4507113