#------------------------------------------------------------------------------
#$Date: 2016-03-25 14:28:04 +0200 (Fri, 25 Mar 2016) $
#$Revision: 179897 $
#$URL: svn://www.crystallography.net/cod/cif/7/01/93/7019361.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_7019361
loop_
_publ_author_name
'Alhanash, Fatma B.'
'Barnes, Nicholas A.'
'Godfrey, Stephen M.'
'Hurst, Paul A.'
'Hutchinson, Adrian'
'Khan, Rana Z.'
'Pritchard, Robin G.'
_publ_section_title
;
 Structural isomerism in tris-tolyl halo-phosphonium and halo-arsonium
 tri-halides, [(CH(3)C(6)H(4))(3)EX][X(3)], (E = P, As; X = Br, I).
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7708
_journal_page_last               7728
_journal_paper_doi               10.1039/c2dt30235g
_journal_volume                  41
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C21 H21 As1 Br4'
_chemical_formula_sum            'C21 H21 As Br4'
_chemical_formula_weight         667.73
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2010-07-08T00:49:53-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.1880(4)
_cell_length_b                   13.5610(8)
_cell_length_c                   16.3190(10)
_cell_measurement_reflns_used    1488
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2
_cell_measurement_wavelength     0.71073
_cell_volume                     2254.6(2)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.761
_diffrn_measured_fraction_theta_max 0.761
_diffrn_measurement_device       '95mm CCD camera on κ-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Nonius Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      0.300006E-1
_diffrn_orient_matrix_UB_12      -0.27425E-1
_diffrn_orient_matrix_UB_13      0.537105E-1
_diffrn_orient_matrix_UB_21      -0.852271E-1
_diffrn_orient_matrix_UB_22      0.198253E-1
_diffrn_orient_matrix_UB_23      0.255443E-1
_diffrn_orient_matrix_UB_31      -0.383465E-1
_diffrn_orient_matrix_UB_32      -0.655187E-1
_diffrn_orient_matrix_UB_33      -0.147528E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.066
_diffrn_reflns_av_unetI/netI     0.057
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4812
_diffrn_reflns_reduction_process
;
Scaled and merged with SORTAV
R.H. Blessing, (1987) Cryst. Rev. 1, 3-58
R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397
;
_diffrn_reflns_theta_full        25.48
_diffrn_reflns_theta_max         25.48
_diffrn_reflns_theta_min         2.91
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    8.6
_exptl_absorpt_correction_T_max  0.4251
_exptl_absorpt_correction_T_min  0.3067
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
R.H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.967
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.477
_refine_diff_density_min         -0.513
_refine_diff_density_rms         0.125
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.58(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         1826
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0517
_refine_ls_R_factor_gt           0.04
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0133P)²+10.8085P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.082
_refine_ls_wR_factor_ref         0.0875
_reflns_number_gt                1606
_reflns_number_total             1826
_reflns_threshold_expression     >2σ(I)
_cod_data_source_file            c2dt30235g.txt
_cod_data_source_block           rob10
_cod_database_code               7019361
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, -y, z+1/2'
'x+1/2, -y+1/2, -z'
'-x, y+1/2, -z+1/2'
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
C1 C 0.7116(11) 0.6679(11) 0.1380(6) 0.028(3) Uani 1 1 d .
C2 C 0.6566(13) 0.7596(11) 0.1187(6) 0.030(3) Uani 1 1 d .
C3 C 0.7279(13) 0.8233(13) 0.0677(7) 0.038(4) Uani 1 1 d .
H3 H 0.6919 0.8855 0.0532 0.046 Uiso 1 1 calc R
C4 C 0.8499(16) 0.7963(13) 0.0385(7) 0.044(4) Uani 1 1 d .
H4 H 0.8963 0.8401 0.0034 0.053 Uiso 1 1 calc R
C5 C 0.9056(13) 0.7072(11) 0.0592(7) 0.033(3) Uani 1 1 d .
H5 H 0.9906 0.6904 0.0397 0.039 Uiso 1 1 calc R
C6 C 0.8365(11) 0.6418(11) 0.1089(6) 0.026(3) Uani 1 1 d .
H6 H 0.8737 0.5799 0.1231 0.032 Uiso 1 1 calc R
C7 C 0.5277(13) 0.7951(13) 0.1533(8) 0.042(4) Uani 1 1 d .
H7A H 0.4954 0.8506 0.1206 0.063 Uiso 1 1 calc R
H7B H 0.5405 0.8165 0.2101 0.063 Uiso 1 1 calc R
H7C H 0.4635 0.7413 0.1518 0.063 Uiso 1 1 calc R
C8 C 0.5830(11) 0.6408(10) 0.3121(6) 0.025(3) Uani 1 1 d .
C9 C 0.6705(12) 0.7066(10) 0.3509(6) 0.027(3) Uani 1 1 d .
C10 C 0.6301(12) 0.7488(11) 0.4227(6) 0.031(3) Uani 1 1 d .
H10 H 0.6854 0.7954 0.4491 0.037 Uiso 1 1 calc R
C11 C 0.5090(13) 0.7249(12) 0.4580(7) 0.034(3) Uani 1 1 d .
H11 H 0.4841 0.7549 0.5082 0.041 Uiso 1 1 calc R
C12 C 0.4256(12) 0.6587(11) 0.4213(6) 0.032(3) Uani 1 1 d .
H12 H 0.3447 0.6409 0.4462 0.038 Uiso 1 1 calc R
C13 C 0.4632(12) 0.6188(11) 0.3471(7) 0.031(3) Uani 1 1 d .
H13 H 0.4052 0.5752 0.3194 0.037 Uiso 1 1 calc R
C14 C 0.8075(12) 0.7297(11) 0.3158(7) 0.032(3) Uani 1 1 d .
H14A H 0.7985 0.7727 0.2679 0.048 Uiso 1 1 calc R
H14B H 0.8506 0.6681 0.2996 0.048 Uiso 1 1 calc R
H14C H 0.8605 0.763 0.3576 0.048 Uiso 1 1 calc R
C15 C 0.7300(10) 0.4633(10) 0.2336(6) 0.024(3) Uani 1 1 d .
C16 C 0.7637(13) 0.3954(13) 0.1737(8) 0.040(4) Uani 1 1 d .
C17 C 0.8277(13) 0.3066(14) 0.1996(9) 0.049(4) Uani 1 1 d .
H17 H 0.8516 0.2581 0.1603 0.059 Uiso 1 1 calc R
C18 C 0.8552(16) 0.2914(15) 0.2831(10) 0.058(4) Uani 1 1 d .
H18 H 0.8987 0.2328 0.2998 0.069 Uiso 1 1 calc R
C19 C 0.8194(14) 0.3612(12) 0.3418(9) 0.039(3) Uani 1 1 d .
H19 H 0.8371 0.3499 0.3982 0.047 Uiso 1 1 calc R
C20 C 0.7579(11) 0.4469(11) 0.3168(7) 0.030(3) Uani 1 1 d .
H20 H 0.7341 0.4952 0.3563 0.036 Uiso 1 1 calc R
C21 C 0.7350(16) 0.4079(13) 0.0831(7) 0.050(4) Uani 1 1 d .
H21A H 0.7341 0.4783 0.0694 0.075 Uiso 1 1 calc R
H21B H 0.6493 0.3789 0.0704 0.075 Uiso 1 1 calc R
H21C H 0.8032 0.3746 0.051 0.075 Uiso 1 1 calc R
As1 As 0.63016(11) 0.57875(10) 0.21144(6) 0.0242(3) Uani 1 1 d .
Br1 Br 0.43659(11) 0.52738(11) 0.15400(6) 0.0337(3) Uani 1 1 d .
Br2 Br 0.12780(12) 0.48559(11) 0.10615(6) 0.0346(3) Uani 1 1 d .
Br3 Br 0.10003(11) 0.51676(11) 0.26157(6) 0.0302(3) Uani 1 1 d .
Br4 Br 0.07017(13) 0.55255(11) 0.41221(7) 0.0390(3) Uani 1 1 d .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.003 0.002 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0 0 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
As As 0.05 2.006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Br Br -0.29 2.46 '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
C2 C1 C6 120.7(12)
C2 C1 As1 122.3(10)
C6 C1 As1 116.8(11)
C1 C2 C3 118.3(13)
C1 C2 C7 123.2(12)
C3 C2 C7 118.5(15)
C4 C3 C2 120.6(16)
C4 C3 H3 119.7
C2 C3 H3 119.7
C5 C4 C3 121.2(14)
C5 C4 H4 119.4
C3 C4 H4 119.4
C4 C5 C6 119.5(13)
C4 C5 H5 120.2
C6 C5 H5 120.2
C5 C6 C1 119.7(14)
C5 C6 H6 120.2
C1 C6 H6 120.2
C2 C7 H7A 109.5
C2 C7 H7B 109.5
H7A C7 H7B 109.5
C2 C7 H7C 109.5
H7A C7 H7C 109.5
H7B C7 H7C 109.5
C13 C8 C9 120.7(11)
C13 C8 As1 118.9(9)
C9 C8 As1 120.4(9)
C10 C9 C8 117.3(11)
C10 C9 C14 120.4(11)
C8 C9 C14 122.2(10)
C9 C10 C11 121.4(12)
C9 C10 H10 119.3
C11 C10 H10 119.3
C12 C11 C10 121.1(11)
C12 C11 H11 119.4
C10 C11 H11 119.4
C11 C12 C13 117.8(12)
C11 C12 H12 121.1
C13 C12 H12 121.1
C8 C13 C12 121.5(11)
C8 C13 H13 119.2
C12 C13 H13 119.2
C9 C14 H14A 109.5
C9 C14 H14B 109.5
H14A C14 H14B 109.5
C9 C14 H14C 109.5
H14A C14 H14C 109.5
H14B C14 H14C 109.5
C16 C15 C20 121.8(12)
C16 C15 As1 123.0(9)
C20 C15 As1 115.0(8)
C15 C16 C17 117.5(12)
C15 C16 C21 124.5(14)
C17 C16 C21 118.0(13)
C18 C17 C16 120.0(14)
C18 C17 H17 120
C16 C17 H17 120
C19 C18 C17 120.9(16)
C19 C18 H18 119.5
C17 C18 H18 119.5
C20 C19 C18 119.1(13)
C20 C19 H19 120.5
C18 C19 H19 120.5
C19 C20 C15 120.7(12)
C19 C20 H20 119.7
C15 C20 H20 119.7
C16 C21 H21A 109.5
C16 C21 H21B 109.5
H21A C21 H21B 109.5
C16 C21 H21C 109.5
H21A C21 H21C 109.5
H21B C21 H21C 109.5
C1 As1 C15 114.3(5)
C1 As1 C8 112.0(6)
C15 As1 C8 109.5(5)
C1 As1 Br1 108.2(3)
C15 As1 Br1 106.7(3)
C8 As1 Br1 105.7(3)
Br4 Br3 Br2 178.19(8)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 C2 1.40(2)
C1 C6 1.403(17)
C1 As1 1.894(12)
C2 C3 1.402(18)
C2 C7 1.508(18)
C3 C4 1.38(2)
C3 H3 0.95
C4 C5 1.38(2)
C4 H4 0.95
C5 C6 1.393(17)
C5 H5 0.95
C6 H6 0.95
C7 H7A 0.98
C7 H7B 0.98
C7 H7C 0.98
C8 C13 1.381(17)
C8 C9 1.411(17)
C8 As1 1.907(11)
C9 C10 1.366(17)
C9 C14 1.541(17)
C10 C11 1.400(18)
C10 H10 0.95
C11 C12 1.37(2)
C11 H11 0.95
C12 C13 1.380(16)
C12 H12 0.95
C13 H13 0.95
C14 H14A 0.98
C14 H14B 0.98
C14 H14C 0.98
C15 C16 1.387(18)
C15 C20 1.405(15)
C15 As1 1.902(13)
C16 C17 1.43(2)
C16 C21 1.516(18)
C17 C18 1.41(2)
C17 H17 0.95
C18 C19 1.39(2)
C18 H18 0.95
C19 C20 1.38(2)
C19 H19 0.95
C20 H20 0.95
C21 H21A 0.98
C21 H21B 0.98
C21 H21C 0.98
As1 Br1 2.2919(17)
Br2 Br3 2.5867(15)
Br3 Br4 2.5240(16)
