Low melting molecular complexes. The structures of molecular complexes of tri- and di-chloromethanes with small ketones and 1,4-dioxane
Yufit, D. S.; Howard, J. A. K.; CrystEngComm 14 (2012) 2003–; doi:10.1039/c2ce06526f

data_7207489
_publ_section_title
;
 Low melting molecular complexes. The structures of molecular complexes of
 tri- and di-chloromethanes with small ketones and 1,4-dioxane
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              2003
_journal_paper_doi               10.1039/c2ce06526f
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C4 H6 O, C H2 Cl2'
_chemical_formula_sum            'C4 H8 Cl2 O'
_chemical_formula_weight         143.00
_chemical_melting_point          216.5(5)
_chemical_name_common            'dichloromethane acetone co-crystal'
_chemical_name_systematic
;
dichloromethane propanone-2 clathrate (1:1)
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2010-11-23
_audit_creation_method
;
Olex2 1.1-beta
(compiled 2010.10.26 svn.r1482, GUI svn.r3310)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 117.210(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.5833(12)
_cell_length_b                   8.2213(7)
_cell_length_c                   13.9240(10)
_cell_measurement_reflns_used    1129
_cell_measurement_temperature    200.0(2)
_cell_measurement_theta_max      28.80
_cell_measurement_theta_min      2.93
_cell_volume                     1484.7(2)
_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  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
'A short history of SHELX (Sheldrick, 2007)/Bruker'
_diffrn_ambient_temperature      200.0(2)
_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 0.797
_diffrn_measured_fraction_theta_max 0.797
_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_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0242
_diffrn_reflns_av_unetI/netI     0.0181
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6403
_diffrn_reflns_theta_full        29.99
_diffrn_reflns_theta_max         29.99
_diffrn_reflns_theta_min         2.93
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           25.0
_diffrn_source_power             1.25
_diffrn_source_target            Mo
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.776
_exptl_absorpt_correction_type   none
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             592
_exptl_crystal_recrystallization_method
'Cristallized in situ in 0.3mm capillary at 172K'
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.616
_refine_diff_density_min         -0.360
_refine_diff_density_rms         0.050
_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     96
_refine_ls_number_reflns         1733
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0550
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0800P)^2^+0.4500P] where P=(Fo^2^+2Fc^2^)/3'
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1275
_refine_ls_wR_factor_ref         0.1394
_reflns_number_gt                1266
_reflns_number_total             1733
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06526f.txt
_cod_data_source_block           7_dcmac
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '216 - 217' was changed to '216.5(5)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               7207489