A thermal expansion investigation of the melting point anomaly in trihalomesitylenes
Viswanadha G. Saraswatula; Binoy K. Saha; Chem.Commun. 51 (2015) 9829–; doi:10.1039/C5cc03033A

data_7117268
_publ_section_title
;
 A thermal expansion investigation of the melting point anomaly in
 trihalomesitylenes
;
_journal_name_full               Chem.Commun.
_journal_page_first              9829
_journal_paper_doi               10.1039/C5cc03033A
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C9 H9 Cl3'
_chemical_formula_sum            'C9 H9 Cl3'
_chemical_formula_weight         223.51
_chemical_name_systematic
;
trichloromesitylene  
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2013-09-27
_audit_creation_method
;
  Olex2 1.2
  (compiled Dec  5 2012 16:17:34, GUI svn.r4385)
;
_audit_update_record
;
2015-04-06 deposited with the CCDC.
2015-05-07 downloaded from the CCDC.
;
_cell_angle_alpha                119.640(8)
_cell_angle_beta                 107.114(6)
_cell_angle_gamma                96.298(6)
_cell_formula_units_Z            2
_cell_length_a                   7.7324(5)
_cell_length_b                   8.8179(7)
_cell_length_c                   8.8415(6)
_cell_measurement_reflns_used    1830
_cell_measurement_temperature    262.00(14)
_cell_measurement_theta_max      29.0946
_cell_measurement_theta_min      4.1656
_cell_volume                     476.54(8)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
;
_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, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution    'SUPERFLIP, J. Appl. Cryst. (2007) 40, 786-790'
_diffrn_ambient_temperature      262.00(14)
_diffrn_detector_area_resol_mean 15.9821
_diffrn_measured_fraction_theta_full 0.9954
_diffrn_measured_fraction_theta_max 0.9536
_diffrn_measurement_details
;
  1 omega  -25.00    4.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397  -99.0000   30.0000 29

  2 omega  -32.00   36.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397   61.0000   77.4790 68

  3 omega  -92.00  -45.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397 -178.0000 -120.0000 47

  4 omega   -9.00   25.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397  -99.0000   90.0000 34

  5 omega  -40.00   22.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397   37.0000 -120.0000 62

  6 omega  -80.00    1.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397  -77.0000 -120.0000 81

  7 omega  -90.00   21.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397    0.0000 -120.0000 111

  8 omega  -39.00  -14.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -      -17.3397   57.0000  -90.0000 25

  9 omega   -7.00   92.00   1.0000    4.0000
omega____ theta____ kappa____ phi______ frames
    -       19.0585   37.0000 -180.0000 99
;
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0421606000
_diffrn_orient_matrix_UB_12      0.0363617000
_diffrn_orient_matrix_UB_13      0.0986645000
_diffrn_orient_matrix_UB_21      0.0196846000
_diffrn_orient_matrix_UB_22      -0.0831964000
_diffrn_orient_matrix_UB_23      -0.0206322000
_diffrn_orient_matrix_UB_31      0.0894855000
_diffrn_orient_matrix_UB_32      0.0348504000
_diffrn_orient_matrix_UB_33      0.0039221000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0256
_diffrn_reflns_av_unetI/netI     0.0335
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5280
_diffrn_reflns_theta_full        29.16
_diffrn_reflns_theta_max         29.16
_diffrn_reflns_theta_min         4.17
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.899
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.92245
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_density_diffrn    1.558
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             228
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.253
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     112
_refine_ls_number_reflns         2236
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0573
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0509P)^2^+0.1252P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1059
_refine_ls_wR_factor_ref         0.1157
_reflns_number_gt                1749
_reflns_number_total             2236
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc03033a2.cif
_cod_data_source_block           tcm-262K
_cod_original_cell_volume        476.54(6)
_cod_database_code               7117268