Labile dioxy-functionalised zwitterionic imidazolinium salt: access to zwitterionic and neutral imidazolidin-2-ylidene derivatives and π-acceptor properties of imidazolidine-2-selones
Gupta, Vivek; Karthik, Vedhagiri; Anantharaman, Ganapathi; RSC Advances 5 (2015) 87888–; doi:10.1039/C5RA15333F

data_7235954
_publ_section_title
;
 Labile dioxy-functionalised zwitterionic imidazolinium salt: access to
 zwitterionic and neutral imidazolidin-2-ylidene derivatives and
 \p-acceptor properties of imidazolidine-2-selones
;
_journal_issue                   107
_journal_name_full               'RSC Advances'
_journal_page_first              87888
_journal_paper_doi               10.1039/C5RA15333F
_journal_volume                  5
_journal_year                    2015
_chemical_formula_moiety         'C22 H28 N2 O2 S'
_chemical_formula_sum            'C22 H28 N2 O2 S'
_chemical_formula_weight         384.53
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-05-07 deposited with the CCDC.
2015-10-15 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 108.32(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   41.799(8)
_cell_length_b                   7.8933(16)
_cell_length_c                   26.972(5)
_cell_measurement_temperature    153(2)
_cell_volume                     8448(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP 3'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.1004
_diffrn_reflns_av_sigmaI/netI    0.1038
_diffrn_reflns_limit_h_max       44
_diffrn_reflns_limit_h_min       -50
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            27768
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    0.172
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             3296
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.549
_refine_diff_density_min         -0.534
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     503
_refine_ls_number_reflns         7861
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.1462
_refine_ls_R_factor_gt           0.0666
_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^)+(0.0709P)^2^+7.1494P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1406
_refine_ls_wR_factor_ref         0.1721
_reflns_number_gt                4190
_reflns_number_total             7861
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra15333f2.cif
_cod_data_source_block           viv
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' 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_sg_symbol_H-M      C2/c
_cod_database_code               7235954