Impact of sulfur substituents on the C–H⋯O interaction of terminal alkynes in crystal engineering
Lehane, K. Niamh; Moynihan, Edmond J. A.; Brondel, Nicolas; Lawrence, Simon E.; Maguire, Anita R.; CrystEngComm 9 (2007) 1041–; doi:10.1039/b709261j

data_7203060
_publ_section_title
;
 Impact of sulfur substituents on the C--H&#x22EF;O interaction of
 terminal alkynes in crystal engineering
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              1041
_journal_paper_doi               10.1039/b709261j
_journal_volume                  9
_journal_year                    2007
_chemical_formula_moiety         'C10 H10 O S'
_chemical_formula_sum            'C10 H10 O S'
_chemical_formula_weight         178.24
_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                94.048(5)
_cell_angle_beta                 92.037(6)
_cell_angle_gamma                95.872(7)
_cell_formula_units_Z            2
_cell_length_a                   6.7881(4)
_cell_length_b                   7.9542(4)
_cell_length_c                   8.7386(4)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      18.83
_cell_measurement_theta_min      15.64
_cell_volume                     467.75(4)
_computing_cell_refinement       'Nonius MACH3'
_computing_data_collection       'Nonius MACH3'
_computing_data_reduction        'PLATON (Spek, 2000)'
_computing_molecular_graphics    'PLATON (Spek, 2000)'
_computing_publication_material  'SHELXL--97; PLATON'
_computing_structure_refinement  'SHELXL--97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS--97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Nonius MACH3'
_diffrn_measurement_method       '\w-2\q 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  0.016
_diffrn_reflns_av_sigmaI/netI    0.0218
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            1813
_diffrn_reflns_theta_full        25.33
_diffrn_reflns_theta_max         25.33
_diffrn_reflns_theta_min         2.34
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.293
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             188
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.073(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.129
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         1695
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.129
_refine_ls_R_factor_all          0.0552
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0601P)^2^+0.0947P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1012
_refine_ls_wR_factor_ref         0.1156
_reflns_number_gt                1384
_reflns_number_total             1695
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b709261j.txt
_cod_data_source_block           Compound4
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7203060