#------------------------------------------------------------------------------
#$Date: 2016-03-26 22:33:39 +0200 (Sat, 26 Mar 2016) $
#$Revision: 180510 $
#$URL: svn://www.crystallography.net/cod/cif/7/21/79/7217981.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_7217981
loop_
_publ_author_name
'Allan, David R.'
'Coles, Simon J.'
'George, Kathryn'
'Jura, Marek'
'Levason, William'
'Reid, Gillian'
'Wilson, Claire'
'Zhang, Wenjian'
_publ_section_title
;
 Exploring secondary bonding in p-block chemistry -- an experimental study
 of [GeX2{o-C6H4(PMe2)2}] using variable pressure single crystal X-ray
 diffraction
;
_journal_issue                   35
_journal_name_full               CrystEngComm
_journal_page_first              8169
_journal_paper_doi               10.1039/C4CE00329B
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C10 H16 Br2 Ge P2'
_chemical_formula_sum            'C10 H16 Br2 Ge P2'
_chemical_formula_weight         430.58
_chemical_name_systematic
;
 Dibromo(1,2-bis(dimethylphosphino)benzene-P,P')germanium(II)
;
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_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
_audit_creation_date             2013-01-16
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 92.3(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.30(13)
_cell_length_b                   6.83(3)
_cell_length_c                   13.37(7)
_cell_measurement_pressure       9400000
_cell_measurement_reflns_used    473
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      3.0
_cell_volume                     2217(19)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r5 (Rigaku, 2010)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r5 (Rigaku, 2010)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r5 (Rigaku, 2010)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_pressure         9400000
_diffrn_ambient_temperature      293
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.279
_diffrn_measured_fraction_theta_max 0.279
_diffrn_measurement_device       'four-circle κ goniometer'
_diffrn_measurement_device_type  CrystalLogic
_diffrn_measurement_method       'profile data from ω-scans'
_diffrn_measurement_specimen_support 'Diamond Anvil Cell'
_diffrn_radiation_collimation    'Confocal mirrors'
_diffrn_radiation_monochromator  'double crystal silicon'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.68890
_diffrn_reflns_av_R_equivalents  0.0863
_diffrn_reflns_av_sigmaI/netI    0.0836
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3965
_diffrn_reflns_theta_full        28.96
_diffrn_reflns_theta_max         28.96
_diffrn_reflns_theta_min         2.96
_diffrn_source                   synchrotron
_diffrn_source_type              'DLS beamline I19'
_exptl_absorpt_coefficient_mu    9.423
_exptl_absorpt_correction_T_max  0.439
_exptl_absorpt_correction_T_min  1.000
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrystalClear-SM Expert 2.0 r5 (Rigaku, 2010)
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.580
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.900
_refine_diff_density_min         -0.877
_refine_diff_density_rms         0.232
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     74
_refine_ls_number_reflns         903
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.1391
_refine_ls_R_factor_gt           0.1005
_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)+(0.0735P)²+335.2057P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2415
_refine_ls_wR_factor_ref         0.2729
_reflns_number_gt                630
_reflns_number_total             903
_reflns_threshold_expression     I>2/sigma(I)
_cod_data_source_file            c4ce00329b2.cif
_cod_data_source_block           gebr2diphos9
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7217981
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_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 0.356(4) -0.460(4) 0.678(2) 0.037(7) Uiso 1 1 d .
H1A H 0.3335 -0.3496 0.6602 0.056 Uiso 1 1 calc R
H1B H 0.3336 -0.5720 0.6892 0.056 Uiso 1 1 calc R
H1C H 0.3806 -0.4871 0.6251 0.056 Uiso 1 1 calc R
C2 C 0.437(3) -0.627(4) 0.8208(18) 0.028(6) Uiso 1 1 d .
H2A H 0.4590 -0.6108 0.8815 0.042 Uiso 1 1 calc R
H2B H 0.4605 -0.6532 0.7664 0.042 Uiso 1 1 calc R
H2C H 0.4120 -0.7346 0.8283 0.042 Uiso 1 1 calc R
C3 C 0.3421(15) -0.410(3) 0.8819(11) 0.030(6) Uiso 1 1 d G
C4 C 0.3007(16) -0.550(2) 0.8719(10) 0.029(6) Uiso 1 1 d G
H4 H 0.2985 -0.6301 0.8156 0.035 Uiso 1 1 calc R
C5 C 0.2626(15) -0.570(2) 0.9461(12) 0.028(6) Uiso 1 1 d G
H5 H 0.2349 -0.6637 0.9394 0.033 Uiso 1 1 calc R
C6 C 0.2660(15) -0.451(3) 1.0302(11) 0.032(7) Uiso 1 1 d G
H6 H 0.2405 -0.4640 1.0798 0.039 Uiso 1 1 calc R
C7 C 0.3074(16) -0.311(2) 1.0401(10) 0.033(7) Uiso 1 1 d G
H7 H 0.3096 -0.2306 1.0964 0.039 Uiso 1 1 calc R
C8 C 0.3455(15) -0.291(3) 0.9660(12) 0.024(6) Uiso 1 1 d G
C9 C 0.447(3) -0.178(4) 1.0849(15) 0.021(5) Uiso 1 1 d .
H9A H 0.4755 -0.0812 1.0938 0.031 Uiso 1 1 calc R
H9B H 0.4636 -0.3038 1.0742 0.031 Uiso 1 1 calc R
H9C H 0.4257 -0.1832 1.1437 0.031 Uiso 1 1 calc R
C10 C 0.376(3) 0.111(4) 1.005(2) 0.034(7) Uiso 1 1 d .
H10A H 0.4050 0.2060 1.0057 0.051 Uiso 1 1 calc R
H10B H 0.3610 0.1039 1.0705 0.051 Uiso 1 1 calc R
H10C H 0.3474 0.1497 0.9573 0.051 Uiso 1 1 calc R
P1 P 0.3976(9) -0.4027(9) 0.7948(5) 0.053(14) Uani 1 1 d .
P2 P 0.4010(9) -0.1122(10) 0.9730(5) 0.062(14) Uani 1 1 d .
Ge1 Ge 0.4426(4) -0.1019(4) 0.81154(19) 0.067(6) Uani 1 1 d .
Br1 Br 0.5185(4) -0.3070(4) 0.8985(2) 0.082(6) Uani 1 1 d .
Br2 Br 0.3300(4) 0.0042(4) 0.75793(18) 0.081(6) Uani 1 1 d .
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_23
_atom_site_aniso_U_13
_atom_site_aniso_U_12
P1 0.11(4) 0.013(3) 0.033(3) -0.001(2) -0.007(7) -0.009(6)
P2 0.14(4) 0.017(3) 0.025(3) -0.002(2) 0.003(7) 0.004(6)
Ge1 0.160(18) 0.0134(12) 0.0296(13) 0.0006(9) 0.014(3) -0.003(3)
Br1 0.185(18) 0.0202(12) 0.0404(15) 0.0007(10) 0.007(3) -0.001(3)
Br2 0.195(18) 0.0203(12) 0.0265(12) -0.0008(9) 0.004(3) 0.004(3)
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0032 0.0015 '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 -0.1750 2.4304 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Ge Ge 0.2186 1.7697 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
P P 0.0990 0.0908 '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
P1 C1 H1A 109.5
P1 C1 H1B 109.5
H1A C1 H1B 109.5
P1 C1 H1C 109.5
H1A C1 H1C 109.5
H1B C1 H1C 109.5
P1 C2 H2A 109.5
P1 C2 H2B 109.5
H2A C2 H2B 109.5
P1 C2 H2C 109.5
H2A C2 H2C 109.5
H2B C2 H2C 109.5
C4 C3 C8 120.0
C4 C3 P1 120.7(12)
C8 C3 P1 118.7(12)
C3 C4 C5 120.0
C3 C4 H4 120.0
C5 C4 H4 120.0
C6 C5 C4 120.0
C6 C5 H5 120.0
C4 C5 H5 120.0
C5 C6 C7 120.0
C5 C6 H6 120.0
C7 C6 H6 120.0
C8 C7 C6 120.0
C8 C7 H7 120.0
C6 C7 H7 120.0
C7 C8 C3 120.0
C7 C8 P2 122.9(11)
C3 C8 P2 117.1(11)
P2 C9 H9A 109.5
P2 C9 H9B 109.5
H9A C9 H9B 109.5
P2 C9 H9C 109.5
H9A C9 H9C 109.5
H9B C9 H9C 109.5
P2 C10 H10A 109.5
P2 C10 H10B 109.5
H10A C10 H10B 109.5
P2 C10 H10C 109.5
H10A C10 H10C 109.5
H10B C10 H10C 109.5
C3 P1 C2 104(2)
C3 P1 C1 98(3)
C2 P1 C1 104.1(19)
C3 P1 Ge1 108.7(7)
C2 P1 Ge1 119(2)
C1 P1 Ge1 120.0(12)
C10 P2 C8 110(3)
C10 P2 C9 102.8(19)
C8 P2 C9 107.3(16)
C10 P2 Ge1 111.4(13)
C8 P2 Ge1 108.0(7)
C9 P2 Ge1 117(2)
P1 Ge1 P2 81.3(5)
P1 Ge1 Br1 83.6(6)
P2 Ge1 Br1 84.2(6)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 P1 1.86(5)
C1 H1A 0.9600
C1 H1B 0.9600
C1 H1C 0.9600
C2 P1 1.83(5)
C2 H2A 0.9600
C2 H2B 0.9600
C2 H2C 0.9600
C3 C4 1.3900
C3 C8 1.3900
C3 P1 1.82(3)
C4 C5 1.3900
C4 H4 0.9300
C5 C6 1.3900
C5 H5 0.9300
C6 C7 1.3900
C6 H6 0.9300
C7 C8 1.3900
C7 H7 0.9300
C8 P2 1.82(3)
C9 P2 1.89(5)
C9 H9A 0.9600
C9 H9B 0.9600
C9 H9C 0.9600
C10 P2 1.71(4)
C10 H10A 0.9600
C10 H10B 0.9600
C10 H10C 0.9600
P1 Ge1 2.333(15)
P2 Ge1 2.422(17)
Ge1 Br1 2.559(14)
