#------------------------------------------------------------------------------
#$Date: 2011-09-10 06:16:28 +0300 (Sat, 10 Sep 2011) $
#$Revision: 25271 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/2012464.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2012464
loop_
_publ_author_name
'Linden, Anthony'
'Petridis, Alexander'
'James, Bruce D.'
_publ_section_title
;
 A second polymorph of 1,1,4,4-tetramethylpiperazinium
 pentabromothallate(III)
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m53
_journal_page_last               m55
_journal_volume                  58
_journal_year                    2002
_chemical_formula_iupac          '(C8 H20 N2) [Tl Br5]'
_chemical_formula_moiety         'C8 H20 N2 2+, Br5 Tl 2-'
_chemical_formula_sum            'C8 H20 Br5 N2 Tl'
_chemical_formula_weight         748.15
_chemical_melting_point          495
_chemical_name_systematic
;
1,1,4,4-tetramethylpiperazinium pentabromothallate(III)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 114.3928(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.0822(3)
_cell_length_b                   9.2422(2)
_cell_length_c                   13.2718(2)
_cell_measurement_reflns_used    2872
_cell_measurement_temperature    173.0(10)
_cell_measurement_theta_max      36.4
_cell_measurement_theta_min      2.9
_cell_volume                     1796.57(6)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Server Software (Nonius, 1999)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173.0(10)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method
'\f scans, and \w scans with \q offsets (\q OK? or \k ?)'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .080
_diffrn_reflns_av_sigmaI/netI    .0399
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            18998
_diffrn_reflns_theta_full        30.50
_diffrn_reflns_theta_max         30.50
_diffrn_reflns_theta_min         3.37
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    20.09
_exptl_absorpt_correction_T_max  .105
_exptl_absorpt_correction_T_min  .074
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SORTAV; Blessing, 1995)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.766
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1352
_exptl_crystal_size_max          .26
_exptl_crystal_size_mid          .23
_exptl_crystal_size_min          .21
_refine_diff_density_max         2.22
_refine_diff_density_min         -2.26
_refine_ls_extinction_coef       .00183(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     77
_refine_ls_number_reflns         2740
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          .0349
_refine_ls_R_factor_gt           .0292
_refine_ls_shift/su_max          .001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0247P)^2^+10.0125P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          .0660
_refine_ls_wR_factor_ref         .0678
_reflns_number_gt                2467
_reflns_number_total             2740
_reflns_threshold_expression     I>2\s(I)
_[local]_cod_data_source_file    sk1524.cif
_[local]_cod_data_source_block   Ib
_[local]_cod_cif_authors_sg_H-M  'C 2/c'
_cod_original_cell_volume        1796.56(6)
_cod_database_code               2012464
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y, -z+1/2'
'x+1/2, y+1/2, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y, z-1/2'
'-x+1/2, -y+1/2, -z'
'x+1/2, -y+1/2, z-1/2'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_type_symbol
Tl1 1.0000 .80493(2) .7500 .01561(8) Uani d S 1 Tl
Br1 .81335(3) .81259(4) .65966(3) .01924(11) Uani d . 1 Br
Br2 .99722(3) .66359(6) .58000(4) .03579(14) Uani d . 1 Br
Br3 1.0000 1.08881(7) .7500 .0536(3) Uani d S 1 Br
N1 .2298(2) .6460(4) .4072(3) .0154(6) Uani d . 1 N
C1 .1895(3) .6316(4) .4907(3) .0173(8) Uani d . 1 C
H1A .1290 .6794 .4615 .021 Uiso calc R 1 H
H1B .1800 .5277 .5010 .021 Uiso calc R 1 H
C2 .2515(3) .8032(4) .3989(3) .0165(8) Uani d . 1 C
H2A .2831 .8121 .3491 .020 Uiso calc R 1 H
H2B .1937 .8584 .3657 .020 Uiso calc R 1 H
C3 .3140(3) .5528(4) .4365(4) .0203(8) Uani d . 1 C
H3A .3613 .5847 .5074 .030 Uiso calc R 1 H
H3B .3367 .5618 .3787 .030 Uiso calc R 1 H
H3C .2984 .4516 .4423 .030 Uiso calc R 1 H
C4 .1603(3) .5956(5) .2966(3) .0216(8) Uani d . 1 C
H4A .1855 .6053 .2411 .032 Uiso calc R 1 H
H4B .1050 .6547 .2748 .032 Uiso calc R 1 H
H4C .1452 .4940 .3018 .032 Uiso calc R 1 H
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Tl1 .01864(12) .01199(11) .01715(12) .000 .00833(9) .000
Br1 .0181(2) .0174(2) .0214(2) -.00016(14) .00735(16) .00235(14)
Br2 .0289(2) .0509(3) .0340(3) -.0146(2) .0194(2) -.0256(2)
Br3 .0223(3) .0123(3) .0876(6) .000 -.0159(4) .000
N1 .0148(15) .0118(14) .0183(16) -.0009(12) .0056(13) -.0001(12)
C1 .0175(18) .0153(18) .022(2) -.0042(15) .0105(16) -.0009(15)
C2 .0187(19) .0113(17) .0195(19) -.0019(14) .0079(16) .0018(14)
C3 .0193(19) .0174(19) .026(2) .0053(15) .0109(16) .0022(16)
C4 .022(2) .0196(19) .019(2) -.0019(16) .0046(16) -.0035(16)
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C .0033 .0016
; International Tables for Crystallography (1992).
Vol. C, Tables 4.2.6.8 and 6.1.1.4
;
H H .0000 .0000
; International Tables for Crystallography (1992).
Vol. C, Tables 4.2.6.8 and 6.1.1.4
;
Br Br .0061 .0033
; International Tables for Crystallography (1992).
Vol. C, Tables 4.2.6.8 and 6.1.1.4
;
N N -.2901 2.4595
; International Tables for Crystallography (1992).
Vol. C, Tables 4.2.6.8 and 6.1.1.4
;
Tl Tl -2.8358 9.6688
; International Tables for Crystallography (1992).
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_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
Br1 Tl1 Br1 . 2_756 177.032(17)
Br1 Tl1 Br2 . . 90.585(14)
Br1 Tl1 Br2 . 2_756 90.910(14)
Br1 Tl1 Br3 . . 88.516(9)
Br2 Tl1 Br2 . 2_756 119.46(3)
Br2 Tl1 Br3 . . 120.270(14)
C1 N1 C4 . . 108.6(3)
C1 N1 C2 . . 108.8(3)
C4 N1 C2 . . 109.1(3)
C1 N1 C3 . . 111.9(3)
C4 N1 C3 . . 107.4(3)
C2 N1 C3 . . 111.0(3)
C2 C1 N1 7_566 . 113.1(3)
C2 C1 H1A 7_566 . 109.0
N1 C1 H1A . . 109.0
C2 C1 H1B 7_566 . 109.0
N1 C1 H1B . . 109.0
H1A C1 H1B . . 107.8
C1 C2 N1 7_566 . 112.8(3)
C1 C2 H2A 7_566 . 109.0
N1 C2 H2A . . 109.0
C1 C2 H2B 7_566 . 109.0
N1 C2 H2B . . 109.0
H2A C2 H2B . . 107.8
N1 C3 H3A . . 109.5
N1 C3 H3B . . 109.5
H3A C3 H3B . . 109.5
N1 C3 H3C . . 109.5
H3A C3 H3C . . 109.5
H3B C3 H3C . . 109.5
N1 C4 H4A . . 109.5
N1 C4 H4B . . 109.5
H4A C4 H4B . . 109.5
N1 C4 H4C . . 109.5
H4A C4 H4C . . 109.5
H4B C4 H4C . . 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
Tl1 Br1 . 2.7350(4)
Tl1 Br2 . 2.5915(5)
Tl1 Br3 . 2.6237(7)
N1 C1 . 1.504(5)
N1 C4 . 1.505(5)
N1 C2 . 1.509(5)
N1 C3 . 1.513(5)
C1 C2 7_566 1.504(6)
C1 H1A . .99
C1 H1B . .99
C2 H2A . .99
C2 H2B . .99
C3 H3A . .98
C3 H3B . .98
C3 H3C . .98
C4 H4A . .98
C4 H4B . .98
C4 H4C . .98
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion_site_symmetry_4
_geom_torsion
C4 N1 C1 C2 7_566 -172.6(3)
C2 N1 C1 C2 7_566 -53.9(4)
C3 N1 C1 C2 7_566 69.0(4)
C1 N1 C2 C1 7_566 53.8(4)
C4 N1 C2 C1 7_566 172.1(3)
C3 N1 C2 C1 7_566 -69.7(4)