Crystal engineering with p-substituted 4-ethynylbenzenes using the C?H?O supramolecular synthon
Dai, Chaoyang; Yuan, Zheng; Collings, Jonathan C.; Fasina, Tolulope M.; Thomas, Rhodri Ll.; Roscoe, Karl P.; Stimson, Lorna M.; Yufit, Dmitry S.; Batsanov, Andrei S.; Howard, Judith A. K.; Marder, Todd B.; CrystEngComm 6 (2004) 184–; doi:10.1039/b404502e

data_7204878
_publ_section_title
;
 Crystal engineering with p-substituted 4-ethynylbenzenes using the
 C?H?O supramolecular synthon
;
_journal_issue                   32
_journal_name_full               CrystEngComm
_journal_page_first              184
_journal_paper_doi               10.1039/b404502e
_journal_volume                  6
_journal_year                    2004
_chemical_formula_moiety         'C10 H8 O2'
_chemical_formula_sum            'C10 H8 O2'
_chemical_formula_weight         160.16
_chemical_name_common            1-(methoxycarbonyl)-4-ethynylbenzene
_chemical_name_systematic
;
1-(methoxycarbonyl)-4-ethynylbenzene
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   difmap
_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            8
_cell_length_a                   13.962(3)
_cell_length_b                   6.052(1)
_cell_length_c                   19.542(3)
_cell_measurement_reflns_used    865
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      23.86
_cell_measurement_theta_min      12.13
_cell_volume                     1651.3(5)
_computing_cell_refinement       'SMART version 5.049 (Bruker, 1999)'
_computing_data_collection       'SMART version 5.049 (Bruker, 1999)'
_computing_data_reduction        'SAINT version 6.02A (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL version 5.10 (Bruker, 1997)'
_computing_publication_material  'SHELXTL version 5.10 (Bruker, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'SMART 1K CCD area detector'
_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  0.0425
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            18903
_diffrn_reflns_theta_full        29.11
_diffrn_reflns_theta_max         29.11
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.417
_refine_diff_density_min         -0.202
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         2220
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0703P)^2^+0.3711P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1155
_refine_ls_wR_factor_ref         0.1228
_reflns_number_gt                1817
_reflns_number_total             2220
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b404502e.txt
_cod_data_source_block           (2)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/adriana/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      'Pbca '
_cod_database_code               7204878