Application of a multi-SO3H Brønsted acidic ionic liquid in water: a highly efficient and reusable catalyst for the regioselective and scaled-up synthesis of pyrazoles under mild conditions
Safaei, Shirin; Mohammadpoor-Baltork, Iraj; Khosropour, Ahmad Reza; Moghadam, Majid; Tangestaninejad, Shahram; Mirkhani, Valiollah; Kia, Reza; RSC Advances 2 (2012) 5610–; doi:10.1039/c2ra20624b

data_7238659
_publ_section_title
;
 Application of a multi-SO3H Br\/onsted acidic ionic liquid in water: a
 highly efficient and reusable catalyst for the regioselective and
 scaled-up synthesis of pyrazoles under mild conditions
;
_journal_issue                   13
_journal_name_full               'RSC Advances'
_journal_page_first              5610
_journal_paper_doi               10.1039/c2ra20624b
_journal_volume                  2
_journal_year                    2012
_chemical_formula_moiety         'C14 H8 Cl F3 N2 S'
_chemical_formula_sum            'C14 H8 Cl F3 N2 S'
_chemical_formula_weight         328.73
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.542(5)
_cell_length_b                   9.4168(19)
_cell_length_c                   6.0399(12)
_cell_measurement_reflns_used    4321
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      29.32
_cell_measurement_theta_min      2.45
_cell_volume                     1452.7(5)
_computing_cell_refinement       'X-Area 1.52'
_computing_data_collection       'X-Area 1.52 (Stoe & Cie GmbH, 2009)'
_computing_data_reduction        'X-Area 1.52'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  'SHELXTL, PLATON (Spek, 2009)'
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      291(2)
_diffrn_detector_area_resol_mean '0.15 mm'
_diffrn_measured_fraction_theta_full 0.921
_diffrn_measured_fraction_theta_max 0.921
_diffrn_measurement_device_type  'STOE IPDS 2T Image Plate diffractometer'
_diffrn_measurement_method       '\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  0.0652
_diffrn_reflns_av_sigmaI/netI    0.0915
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            6269
_diffrn_reflns_theta_full        29.20
_diffrn_reflns_theta_max         29.20
_diffrn_reflns_theta_min         2.69
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.432
_exptl_absorpt_correction_T_max  0.9662
_exptl_absorpt_correction_T_min  0.8634
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'MULABS (Blessing, 1995) in PLATON (Spek, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.266
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.08(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.767
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3222
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.767
_refine_ls_R_factor_all          0.1070
_refine_ls_R_factor_gt           0.0505
_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^)+(0.0745P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1211
_refine_ls_wR_factor_ref         0.1331
_reflns_number_gt                1424
_reflns_number_total             3222
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c2ra20624b.txt
_cod_data_source_block           a2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1452.8(5)
_cod_database_code               7238659