#------------------------------------------------------------------------------
#$Date: 2016-03-26 22:13:34 +0200 (Sat, 26 Mar 2016) $
#$Revision: 180495 $
#$URL: svn://www.crystallography.net/cod/cif/7/21/64/7216475.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_7216475
loop_
_publ_author_name
'Podsiadło, Marcin'
'Olejniczak, Anna'
'Katrusiak, Andrzej'
_publ_section_title
;
 Halogen∙∙∙halogen contra
 C−H∙∙∙halogen
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/c4ce00241e
_journal_year                    2014
_chemical_formula_moiety         'C H3 Br'
_chemical_formula_sum            'C H3 Br'
_chemical_formula_weight         94.94
_chemical_melting_point          179.5
_chemical_name_common            'methyl bromide'
_chemical_name_systematic
; 
bromomethane 
;
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 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
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.387(9)
_cell_length_b                   5.163(5)
_cell_length_c                   7.492(5)
_cell_measurement_reflns_used    508
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      26.79
_cell_measurement_theta_min      5.44
_cell_volume                     247.1(5)
_computing_cell_refinement       'CrysAlisRED (Oxford Diffraction, 2004)'
_computing_data_collection       'CrysAlisCCD (Oxford Diffraction, 2004)'
_computing_data_reduction
'CrysAlisRED (Oxford Diffraction, 2004); REDSHABS (Katrusiak, A.  2003)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1990)'
_computing_publication_material  'SHELXL--97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL--97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS--97 (Sheldrick, 1997)'
_diffrn_ambient_environment      'diamond-anvil cell'
_diffrn_ambient_pressure         1550000
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.386
_diffrn_measured_fraction_theta_max 0.386
_diffrn_measurement_device_type  'KM-4 CCD'
_diffrn_measurement_method       'φ- and ω-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  0.0479
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       2
_diffrn_reflns_limit_h_min       -2
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            492
_diffrn_reflns_theta_full        26.79
_diffrn_reflns_theta_max         26.79
_diffrn_reflns_theta_min         5.44
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    16.212
_exptl_absorpt_correction_T_max  0.06
_exptl_absorpt_correction_T_min  0.03
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
; 
 Correction for absorption of the diamond-anvil cell and the sample 
 were made using program REDSHABS (Katrusiak, A. (2003) REDSHABS. Adam
 Mickiewicz University Poznań; Katrusiak, A. (2004) Z. Kristallogr.
 219, 461-467).
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.553
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cylinder
_exptl_crystal_F_000             176
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.290
_refine_diff_density_min         -0.318
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.57(19)
_refine_ls_extinction_coef       0.028(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.171
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     14
_refine_ls_number_reflns         115
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.165
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0390
_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/[σ²(Fo²)+(0.0240P)²+2.4022P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0712
_refine_ls_wR_factor_ref         0.0756
_reflns_number_gt                89
_reflns_number_total             115
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00241e2.cif
_cod_data_source_block           4bm_155GPa
_cod_database_code               7216475
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, z+1/2'
'x, -y, z+1/2'
'-x, y, z'
'x+1/2, y+1/2, z'
'-x+1/2, -y+1/2, z+1/2'
'x+1/2, -y+1/2, z+1/2'
'-x+1/2, y+1/2, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
Br1 Br 0.0000 0.1207(3) 0.2464(17) 0.054(3) Uani 1 2 d S
C1 C 0.0000 0.386(3) 0.4259(17) 0.06(3) Uani 1 2 d S
H1 H 0.0000 0.5530 0.3696 0.095 Uiso 1 2 calc SR
H2 H 0.1227 0.3687 0.4989 0.095 Uiso 0.50 1 calc PR
H3 H -0.1227 0.3687 0.4989 0.095 Uiso 0.50 1 calc PR
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
Br1 C1 H1 109.5
Br1 C1 H2 109.5
H1 C1 H2 109.5
Br1 C1 H3 109.5
H1 C1 H3 109.5
H2 C1 H3 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Br1 C1 1.919(16)
C1 H1 0.9600
C1 H2 0.9600
C1 H3 0.9600
