Low-melting molecular complexes. Halogen bonds in molecular complexes of bromoform
Yufit, Dmitry S.; Zubatyuk, Roman; Shishkin, Oleg V.; Howard, Judith A. K.; CrystEngComm 14 (2012) 8222–; doi:10.1039/c2ce26191j

data_7214899
_publ_section_title
;
 Low-melting molecular complexes. Halogen bonds in molecular complexes of
 bromoform
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              8222
_journal_paper_doi               10.1039/c2ce26191j
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         '0.5(C10 H18 Br6 O4)'
_chemical_formula_sum            'C5 H9 Br3 O2'
_chemical_formula_weight         340.85
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2011-10-06
_audit_creation_method
;
Olex2 1.1-beta
(compiled 2011.09.28 svn.r2007, GUI svn.r3868)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 106.760(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.2311(5)
_cell_length_b                   19.421(2)
_cell_length_c                   6.0413(6)
_cell_measurement_reflns_used    1059
_cell_measurement_temperature    240
_cell_measurement_theta_max      30.50
_cell_measurement_theta_min      3.52
_cell_volume                     475.34(9)
_computing_cell_refinement       'SAINT v6.45A (Bruker, 2003)'
_computing_data_collection       'SMART v5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT v6.45A (Bruker, 2003)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
XS, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      240
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 5.6
_diffrn_detector_type            'Bruker SMART CCD 6000 area detector'
_diffrn_measured_fraction_theta_full 0.788
_diffrn_measured_fraction_theta_max 0.788
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART CCD 6000 area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0222
_diffrn_reflns_av_unetI/netI     0.0200
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            3946
_diffrn_reflns_theta_full        29.50
_diffrn_reflns_theta_max         29.50
_diffrn_reflns_theta_min         2.10
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_target            Mo
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    12.677
_exptl_absorpt_correction_T_max  0.1053
_exptl_absorpt_correction_T_min  0.0485
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2006/1 (Bruker,2006) was used for absorption correction.
R(int) was 0.0314 before and 0.0205 after correction.
The Ratio of minimum to maximum transmission is 0.4606.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'dull light colourless'
_exptl_crystal_colour_lustre     dull
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    2.381
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cylinder
_exptl_crystal_F_000             320
_exptl_crystal_recrystallization_method 'in situ'
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.662
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.100
_refine_ls_extinction_coef       0.0216(18)
_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   1.064
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     66
_refine_ls_number_reflns         1075
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0283
_refine_ls_R_factor_gt           0.0244
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0300P)^2^+0.5000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0595
_refine_ls_wR_factor_ref         0.0614
_reflns_number_gt                968
_reflns_number_total             1075
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce26191j.txt
_cod_data_source_block           III_240K_bfdo
_cod_original_cell_volume        475.33(9)
_cod_database_code               7214899