Absence of halogen···halogen interactions in chlorotrimethylsilane polymorphs
Roman Gajda; Kamil F. Dziubek; Andrzej Katrusiak; Acta Crystallographica Section B 62 (2006) 86–93; doi:10.1107/S0108768105037766

data_2100347
_publ_contact_author_fax         +48(61)8658008
_publ_contact_author_phone       +48(61)8291443
_publ_section_title
;
 Absence of halogen&#x00B7;&#x00B7;&#x00B7;halogen interactions in
 chlorotrimethylsilane polymorphs
;
_journal_coeditor_code           AV5043
_journal_date_accepted           2005-11-16
_journal_date_recd_electronic    2005-09-01
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              86
_journal_page_last               93
_journal_paper_category          FA
_journal_paper_doi               10.1107/S0108768105037766
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C3 H9 Cl Si'
_chemical_formula_sum            'C3 H9 Cl Si'
_chemical_formula_weight         108.64
_chemical_melting_point          215
_chemical_name_common            'trimethylsilyl chloride'
_chemical_name_systematic
;
chlorotrimethylsilane
;
_space_group_IT_number           31
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac -2'
_symmetry_space_group_name_H-M   'P m n 21'
_atom_sites_solution_hydrogens   geom
_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(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.668(2)
_cell_length_b                   6.34(2)
_cell_length_c                   6.159(2)
_cell_measurement_reflns_used    798
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.90
_cell_measurement_theta_min      4.24
_cell_volume                     299.4(10)
_computing_cell_refinement       'CrysAlis (Oxford Diffraction, 2004)'
_computing_data_collection       'CrysAlis (Oxford Diffraction, 2004)'
_computing_data_reduction        'CrysAlis (Oxford Diffraction, 2004)'
_computing_molecular_graphics    'XP (Siemens, 1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.360
_diffrn_measured_fraction_theta_max 0.360
_diffrn_measurement_device_type  'Kuma KM4CCD \k geometry'
_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  0.0603
_diffrn_reflns_av_sigmaI/netI    0.0246
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_diffrn_reflns_limit_k_min       -2
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_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            1697
_diffrn_reflns_theta_full        24.90
_diffrn_reflns_theta_max         24.90
_diffrn_reflns_theta_min         4.24
_exptl_absorpt_coefficient_mu    0.687
_exptl_absorpt_correction_T_max  0.92
_exptl_absorpt_correction_T_min  0.41
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
Katrusiak, A. (2003). REDSHADE - Program for correcting
reflections intensities for DAC absorption, gasket shadowing
and sample crystal absorption. Adam Mickiewicz University, Pozna\'n.
Katrusiak, A. (2004). Z. Kristallogr. 219, 461-467
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       disc
_exptl_crystal_F_000             116
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.18
_exptl_crystal_size_rad          0.21
_refine_diff_density_max         0.171
_refine_diff_density_min         -0.192
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(4)
_refine_ls_extinction_coef       0.031(17)
_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   1.272
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     29
_refine_ls_number_reflns         199
_refine_ls_number_restraints     1
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_refine_ls_R_factor_all          0.0407
_refine_ls_R_factor_gt           0.0391
_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^)+(0.0395P)^2^+0.1814P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0912
_refine_ls_wR_factor_ref         0.0922
_reflns_number_gt                193
_reflns_number_total             199
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            av5043.cif
_cod_data_source_block           tmcs3
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/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 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        299.4(11)
_cod_database_code               2100347