Hydrogen bonding versus π-interactions: their key competition in sildenafil solvates
Barbas, Rafael; Prohens, Rafel; Font-Bardia, Mercè; Bauzá, Antonio; Frontera, Antonio; CrystEngComm 20 (2018) 4526–; doi:10.1039/C8CE00567B

data_7231000
_publ_section_title
;
 Hydrogen bonding versus \p-interactions: their key competition in
 sildenafil solvates
;
_journal_issue                   32
_journal_name_full               CrystEngComm
_journal_page_first              4526
_journal_paper_doi               10.1039/C8CE00567B
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C22 H30 N6 O4 S, C H Cl3'
_chemical_formula_sum            'C23 H31 Cl3 N6 O4 S'
_chemical_formula_weight         593.95
_chemical_name_systematic        'Sildenafil chloroform solvate'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2012
_audit_update_record
;
2018-03-26 deposited with the CCDC.
2018-06-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.3399(7)
_cell_length_b                   8.5767(3)
_cell_length_c                   40.1148(16)
_cell_measurement_reflns_used    9909
_cell_measurement_temperature    301(2)
_cell_measurement_theta_max      23.81
_cell_measurement_theta_min      2.49
_cell_volume                     5621.8(4)
_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-2014 (Sheldrick 2014)'
_computing_structure_solution    'XT-2014 (Sheldrick 2014)'
_diffrn_ambient_temperature      301(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0421
_diffrn_reflns_av_unetI/netI     0.0352
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       50
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            35024
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.466
_diffrn_reflns_theta_min         2.383
_diffrn_source                   microfocus
_exptl_absorpt_coefficient_mu    0.441
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6894
_exptl_absorpt_correction_type   multi-scan'
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_description       prism
_exptl_crystal_F_000             2480
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: chloroform'
_exptl_crystal_size_max          0.303
_exptl_crystal_size_mid          0.184
_exptl_crystal_size_min          0.124
_refine_diff_density_max         0.678
_refine_diff_density_min         -0.634
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     338
_refine_ls_number_reflns         5787
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.1117
_refine_ls_R_factor_gt           0.0661
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0892P)^2^+5.4288P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1718
_refine_ls_wR_factor_ref         0.1981
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3563
_reflns_number_total             5787
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00567b2.cif
_cod_data_source_block           mo_023WB13A_0ma_a
_cod_depositor_comments
'Adding full bibliography for 7230997--7231000.cif.'
_cod_database_code               7231000
_shelxl_version_number           2012-9
_shelx_res_checksum              76062