#------------------------------------------------------------------------------
#$Date: 2019-03-05 10:52:05 +0200 (Tue, 05 Mar 2019) $
#$Revision: 213973 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/05/07/7050734.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_7050734
loop_
_publ_author_name
'Wing-Wah Yam, Vivian'
'Chung-Chin Cheng, Eddie'
'Zhu, Nianyong'
_publ_section_title
;
 Synthesis, photophysics, and electrochemistry of hexanuclear silver(I)
 chalcogenolate complexes. X-Ray crystal structures of
 [Ag6(µ-dppm)4(µ3-SC6H4Me-p)4](PF6)2 and
 [Ag6(µ-dppm)4(µ3-SeC6H4Cl-p)4](PF6)2
;
_journal_issue                   3
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              279
_journal_paper_doi               10.1039/b108759m
_journal_volume                  26
_journal_year                    2002
_chemical_formula_moiety         'C140 H100 Ag6 P6 S4'
_chemical_formula_sum            'C128 H116 Ag6 F12 P10 S4'
_chemical_formula_weight         2967.37
_space_group_IT_number           82
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4'
_symmetry_space_group_name_H-M   'I -4'
_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            2
_cell_length_a                   16.140(2)
_cell_length_b                   16.140(2)
_cell_length_c                   27.624(4)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    301(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     7196.0(16)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      301(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0445
_diffrn_reflns_av_sigmaI/netI    0.0408
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            29063
_diffrn_reflns_theta_full        25.58
_diffrn_reflns_theta_max         25.58
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    1.027
_exptl_absorpt_correction_T_max  0.8209
_exptl_absorpt_correction_T_min  0.5778
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.370
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2976
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.103
_refine_diff_density_min         -1.190
_refine_diff_density_rms         0.318
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.128
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     366
_refine_ls_number_reflns         6660
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.129
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0390
_refine_ls_shift/su_max          0.515
_refine_ls_shift/su_mean         0.043
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0810P)²+0.0421P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1093
_refine_ls_wR_factor_ref         0.1189
_reflns_number_gt                6118
_reflns_number_total             6660
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b108759m.txt
_cod_data_source_block           mar57
_cod_original_cell_volume        7195.5(16)
_cod_database_code               7050734
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, z'
'y, -x, -z'
'-y, x, -z'
'x+1/2, y+1/2, z+1/2'
'-x+1/2, -y+1/2, z+1/2'
'y+1/2, -x+1/2, -z+1/2'
'-y+1/2, x+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
_atom_site_disorder_assembly
_atom_site_disorder_group
Ag1 Ag 0.02393(2) 0.62848(2) 0.217666(13) 0.06414(13) Uani 1 1 d . . .
P1 P 0.00613(9) 0.74253(7) 0.16204(5) 0.0593(3) Uani 1 1 d . . .
S1 S -0.00687(7) 0.61709(8) 0.30576(4) 0.0590(3) Uani 1 1 d . . .
C19 C -0.1230(5) 0.8205(4) 0.1115(3) 0.0873(17) Uani 1 1 d . . .
H19 H -0.0832 0.8455 0.0921 0.105 Uiso 1 1 calc R . .
C14 C -0.1000(4) 0.7685(3) 0.1483(2) 0.0715(13) Uani 1 1 d . . .
C15 C -0.1615(5) 0.7273(5) 0.1735(4) 0.106(2) Uani 1 1 d . . .
H15 H -0.1469 0.6874 0.1963 0.127 Uiso 1 1 calc R . .
C8 C 0.0542(4) 0.8388(3) 0.1831(2) 0.0737(14) Uani 1 1 d . . .
C6 C -0.0088(5) 0.7697(4) 0.3488(3) 0.0880(17) Uani 1 1 d . . .
H6 H 0.0464 0.7600 0.3566 0.106 Uiso 1 1 calc R . .
C13 C 0.0818(6) 0.9010(4) 0.1537(3) 0.105(2) Uani 1 1 d . . .
H13 H 0.0780 0.8952 0.1202 0.126 Uiso 1 1 calc R . .
C4 C -0.1284(8) 0.8611(6) 0.3497(3) 0.121(3) Uani 1 1 d . . .
C5 C -0.0461(8) 0.8430(5) 0.3621(3) 0.119(3) Uani 1 1 d . . .
H5 H -0.0158 0.8815 0.3798 0.143 Uiso 1 1 calc R . .
C1 C -0.0540(4) 0.7102(3) 0.32376(19) 0.0685(13) Uani 1 1 d . . .
C18 C -0.2091(8) 0.8357(8) 0.1035(4) 0.148(5) Uani 1 1 d . . .
H18 H -0.2271 0.8705 0.0788 0.177 Uiso 1 1 calc R . .
C11 C 0.1191(9) 0.9814(6) 0.2221(5) 0.152(5) Uani 1 1 d . . .
H11 H 0.1405 1.0293 0.2360 0.182 Uiso 1 1 calc R . .
C12 C 0.1153(7) 0.9721(5) 0.1730(4) 0.120(3) Uani 1 1 d . . .
H12 H 0.1353 1.0136 0.1527 0.144 Uiso 1 1 calc R . .
C10 C 0.0921(13) 0.9217(7) 0.2483(5) 0.211(9) Uani 1 1 d . . .
H10 H 0.0933 0.9288 0.2817 0.254 Uiso 1 1 calc R . .
C9 C 0.0623(10) 0.8495(6) 0.2312(3) 0.150(5) Uani 1 1 d . . .
H9 H 0.0473 0.8074 0.2525 0.180 Uiso 1 1 calc R . .
C2 C -0.1376(5) 0.7290(4) 0.3124(3) 0.0856(17) Uani 1 1 d . . .
H2 H -0.1697 0.6907 0.2957 0.103 Uiso 1 1 calc R . .
C3 C -0.1715(7) 0.8030(6) 0.3261(3) 0.115(3) Uani 1 1 d . . .
H3 H -0.2267 0.8134 0.3186 0.138 Uiso 1 1 calc R . .
C16 C -0.2458(6) 0.7448(9) 0.1654(6) 0.147(4) Uani 1 1 d . . .
H16 H -0.2855 0.7171 0.1836 0.177 Uiso 1 1 calc R . .
C7 C -0.1702(11) 0.9444(7) 0.3616(6) 0.189(7) Uani 1 1 d . . .
H7A H -0.1311 0.9801 0.3774 0.284 Uiso 1 1 calc R . .
H7B H -0.2166 0.9349 0.3827 0.284 Uiso 1 1 calc R . .
H7C H -0.1891 0.9700 0.3323 0.284 Uiso 1 1 calc R . .
C17 C -0.2680(7) 0.7940(9) 0.1358(6) 0.149(4) Uani 1 1 d . . .
H17 H -0.3241 0.8063 0.1333 0.179 Uiso 1 1 calc R . .
Ag2 Ag 0.0000 0.5000 0.124439(17) 0.05977(14) Uani 1 2 d S . .
P2 P 0.01874(8) 0.62723(7) 0.07425(4) 0.0544(2) Uani 1 1 d . . .
C31 C 0.0833(5) 0.5836(4) -0.0166(2) 0.0799(15) Uani 1 1 d . . .
H31 H 0.0292 0.5845 -0.0282 0.096 Uiso 1 1 calc R . .
C32 C 0.0566(3) 0.7229(3) 0.1042(2) 0.0625(11) Uani 1 1 d . . .
H32A H 0.1159 0.7182 0.1094 0.075 Uiso 1 1 calc R . .
H32B H 0.0471 0.7697 0.0829 0.075 Uiso 1 1 calc R . .
C20 C -0.0672(4) 0.6616(3) 0.0371(2) 0.0664(12) Uani 1 1 d . . .
C27 C 0.1840(4) 0.6014(4) 0.0476(2) 0.0748(13) Uani 1 1 d . . .
H27 H 0.1964 0.6132 0.0797 0.090 Uiso 1 1 calc R . .
C25 C -0.1422(4) 0.6242(4) 0.0417(3) 0.0854(16) Uani 1 1 d . . .
H25 H -0.1484 0.5806 0.0634 0.103 Uiso 1 1 calc R . .
C26 C 0.1012(3) 0.6054(3) 0.03114(18) 0.0627(11) Uani 1 1 d . . .
C24 C -0.2087(5) 0.6498(6) 0.0148(5) 0.125(3) Uani 1 1 d . . .
H24 H -0.2603 0.6250 0.0187 0.150 Uiso 1 1 calc R . .
C21 C -0.0590(5) 0.7267(4) 0.0049(3) 0.0883(18) Uani 1 1 d . . .
H21 H -0.0080 0.7532 0.0024 0.106 Uiso 1 1 calc R . .
C22 C -0.1233(7) 0.7537(6) -0.0235(4) 0.117(3) Uani 1 1 d . . .
H22 H -0.1160 0.7974 -0.0450 0.141 Uiso 1 1 calc R . .
C23 C -0.1974(8) 0.7154(7) -0.0195(5) 0.138(4) Uani 1 1 d . . .
H23 H -0.2413 0.7318 -0.0392 0.165 Uiso 1 1 calc R . .
C30 C 0.1510(7) 0.5599(6) -0.0472(3) 0.111(3) Uani 1 1 d . . .
H30 H 0.1408 0.5449 -0.0792 0.134 Uiso 1 1 calc R . .
C28 C 0.2461(5) 0.5800(5) 0.0160(3) 0.093(2) Uani 1 1 d . . .
H28 H 0.3008 0.5799 0.0266 0.112 Uiso 1 1 calc R . .
C29 C 0.2290(6) 0.5591(5) -0.0302(3) 0.101(2) Uani 1 1 d . . .
H29 H 0.2720 0.5438 -0.0507 0.122 Uiso 1 1 calc R . .
P4 P 0.0000 1.0000 0.0000 0.0836(8) Uani 1 4 d S . .
P3 P 0.5000 0.5000 0.0000 0.0863(9) Uani 1 4 d SD . .
F1 F 0.5442(4) 0.4170(4) 0.0027(6) 0.240(6) Uani 1 1 d D . .
F2 F 0.5000 0.5000 0.0529(5) 0.322(12) Uani 1 2 d SD . .
F3 F -0.0325(7) 1.0823(6) 0.0193(7) 0.192(6) Uani 0.75 1 d P . .
F4 F 0.0592(13) 1.0240(10) 0.0397(7) 0.287(12) Uani 0.75 1 d P . .
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'
Ag Ag -0.8971 1.1015 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
P P 0.1023 0.0942 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
S S 0.1246 0.1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
F F 0.0171 0.0103 '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
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle_publ_flag
P1 Ag1 S1 130.86(5) . . ?
P1 Ag1 S1 119.62(4) . 7_455 ?
S1 Ag1 S1 107.95(4) . 7_455 ?
P1 Ag1 Ag2 88.21(3) . . ?
S1 Ag1 Ag2 133.38(3) . . ?
S1 Ag1 Ag2 52.70(3) 7_455 . ?
C14 P1 C32 106.3(3) . . ?
C14 P1 C8 105.8(3) . . ?
C32 P1 C8 103.7(3) . . ?
C14 P1 Ag1 115.1(2) . . ?
C32 P1 Ag1 111.83(17) . . ?
C8 P1 Ag1 113.22(19) . . ?
C1 S1 Ag1 107.45(18) . . ?
C1 S1 Ag1 104.0(2) . 8 ?
Ag1 S1 Ag1 87.09(4) . 8 ?
C1 S1 Ag2 114.48(18) . 7_455 ?
Ag1 S1 Ag2 137.78(5) . 7_455 ?
Ag1 S1 Ag2 78.51(3) 8 7_455 ?
C14 C19 C18 119.0(9) . . ?
C19 C14 C15 118.3(7) . . ?
C19 C14 P1 123.8(5) . . ?
C15 C14 P1 117.7(5) . . ?
C14 C15 C16 121.1(9) . . ?
C9 C8 C13 117.4(6) . . ?
C9 C8 P1 117.6(6) . . ?
C13 C8 P1 125.0(5) . . ?
C5 C6 C1 119.8(8) . . ?
C8 C13 C12 120.7(8) . . ?
C3 C4 C5 117.7(8) . . ?
C3 C4 C7 119.3(12) . . ?
C5 C4 C7 123.0(11) . . ?
C6 C5 C4 121.9(9) . . ?
C6 C1 C2 117.5(6) . . ?
C6 C1 S1 120.3(5) . . ?
C2 C1 S1 122.2(5) . . ?
C19 C18 C17 117.2(10) . . ?
C10 C11 C12 117.7(8) . . ?
C11 C12 C13 119.6(8) . . ?
C11 C10 C9 125.0(12) . . ?
C10 C9 C8 119.5(9) . . ?
C3 C2 C1 120.4(7) . . ?
C4 C3 C2 122.7(9) . . ?
C17 C16 C15 122.3(13) . . ?
C16 C17 C18 121.7(11) . . ?
P2 Ag2 P2 112.52(5) 2_565 . ?
P2 Ag2 S1 120.99(4) 2_565 7_455 ?
P2 Ag2 S1 106.13(4) . 7_455 ?
P2 Ag2 S1 106.13(4) 2_565 8 ?
P2 Ag2 S1 120.99(4) . 8 ?
S1 Ag2 S1 88.95(6) 7_455 8 ?
P2 Ag2 Ag1 162.98(3) 2_565 . ?
P2 Ag2 Ag1 84.44(3) . . ?
S1 Ag2 Ag1 48.79(3) 7_455 . ?
S1 Ag2 Ag1 63.56(3) 8 . ?
P2 Ag2 Ag1 84.44(3) 2_565 2_565 ?
P2 Ag2 Ag1 162.98(3) . 2_565 ?
S1 Ag2 Ag1 63.56(3) 7_455 2_565 ?
S1 Ag2 Ag1 48.79(3) 8 2_565 ?
Ag1 Ag2 Ag1 78.637(19) . 2_565 ?
C20 P2 C26 104.3(3) . . ?
C20 P2 C32 104.5(2) . . ?
C26 P2 C32 102.3(2) . . ?
C20 P2 Ag2 118.26(18) . . ?
C26 P2 Ag2 107.04(15) . . ?
C32 P2 Ag2 118.44(17) . . ?
C26 C31 C30 117.9(7) . . ?
P1 C32 P2 112.9(3) . . ?
C25 C20 C21 118.9(6) . . ?
C25 C20 P2 119.5(5) . . ?
C21 C20 P2 121.5(5) . . ?
C28 C27 C26 119.9(7) . . ?
C20 C25 C24 120.9(8) . . ?
C31 C26 C27 119.1(5) . . ?
C31 C26 P2 121.1(5) . . ?
C27 C26 P2 119.4(4) . . ?
C25 C24 C23 118.8(9) . . ?
C22 C21 C20 122.4(8) . . ?
C23 C22 C21 118.7(9) . . ?
C22 C23 C24 120.2(8) . . ?
C29 C30 C31 120.6(7) . . ?
C29 C28 C27 121.0(8) . . ?
C30 C29 C28 121.4(7) . . ?
F4 P4 F4 122.1(12) 4_665 . ?
F4 P4 F4 86(2) 4_665 3_465 ?
F4 P4 F4 122.1(12) . 3_465 ?
F4 P4 F4 122.1(12) 4_665 2_575 ?
F4 P4 F4 86(2) . 2_575 ?
F4 P4 F4 122.1(12) 3_465 2_575 ?
F4 P4 F3 74.9(9) 4_665 4_665 ?
F4 P4 F3 153.6(15) . 4_665 ?
F4 P4 F3 75.6(9) 3_465 4_665 ?
F4 P4 F3 67.3(9) 2_575 4_665 ?
F4 P4 F3 75.6(9) 4_665 3_465 ?
F4 P4 F3 67.3(9) . 3_465 ?
F4 P4 F3 74.9(9) 3_465 3_465 ?
F4 P4 F3 153.6(15) 2_575 3_465 ?
F3 P4 F3 139.1(15) 4_665 3_465 ?
F4 P4 F3 67.3(9) 4_665 . ?
F4 P4 F3 74.9(9) . . ?
F4 P4 F3 153.6(15) 3_465 . ?
F4 P4 F3 75.6(9) 2_575 . ?
F3 P4 F3 97.0(5) 4_665 . ?
F3 P4 F3 97.0(5) 3_465 . ?
F4 P4 F3 153.6(15) 4_665 2_575 ?
F4 P4 F3 75.6(9) . 2_575 ?
F4 P4 F3 67.3(9) 3_465 2_575 ?
F4 P4 F3 74.9(9) 2_575 2_575 ?
F3 P4 F3 97.0(5) 4_665 2_575 ?
F3 P4 F3 97.0(5) 3_465 2_575 ?
F3 P4 F3 139.1(15) . 2_575 ?
F2 P3 F2 180.0 . 3_565 ?
F2 P3 F1 87.2(6) . 2_665 ?
F2 P3 F1 92.8(6) 3_565 2_665 ?
F2 P3 F1 92.8(6) . 3_565 ?
F2 P3 F1 87.2(6) 3_565 3_565 ?
F1 P3 F1 90.13(6) 2_665 3_565 ?
F2 P3 F1 92.8(6) . 4_655 ?
F2 P3 F1 87.2(6) 3_565 4_655 ?
F1 P3 F1 90.13(6) 2_665 4_655 ?
F1 P3 F1 174.5(13) 3_565 4_655 ?
F2 P3 F1 87.2(6) . . ?
F2 P3 F1 92.8(6) 3_565 . ?
F1 P3 F1 174.5(13) 2_665 . ?
F1 P3 F1 90.13(6) 3_565 . ?
F1 P3 F1 90.13(6) 4_655 . ?
P4 F3 F4 55.9(6) . 4_665 ?
P4 F4 F3 56.9(6) . 3_465 ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Ag1 P1 2.4151(13) . ?
Ag1 S1 2.4906(13) . ?
Ag1 S1 2.5557(13) 7_455 ?
Ag1 Ag2 3.3288(6) . ?
P1 C14 1.803(6) . ?
P1 C32 1.820(5) . ?
P1 C8 1.831(6) . ?
S1 C1 1.757(5) . ?
S1 Ag1 2.5557(13) 8 ?
S1 Ag2 2.7021(13) 7_455 ?
C19 C14 1.369(9) . ?
C19 C18 1.429(14) . ?
C14 C15 1.383(10) . ?
C15 C16 1.408(13) . ?
C8 C9 1.348(10) . ?
C8 C13 1.366(9) . ?
C6 C5 1.377(11) . ?
C6 C1 1.390(9) . ?
C13 C12 1.377(11) . ?
C4 C3 1.337(15) . ?
C4 C5 1.403(16) . ?
C4 C7 1.539(12) . ?
C1 C2 1.418(10) . ?
C18 C17 1.47(2) . ?
C11 C10 1.283(17) . ?
C11 C12 1.366(16) . ?
C10 C9 1.346(12) . ?
C2 C3 1.366(10) . ?
C16 C17 1.194(17) . ?
Ag2 P2 2.4959(11) 2_565 ?
Ag2 P2 2.4959(11) . ?
Ag2 S1 2.7021(13) 7_455 ?
Ag2 S1 2.7021(13) 8 ?
Ag2 Ag1 3.3288(6) 2_565 ?
P2 C20 1.812(6) . ?
P2 C26 1.820(5) . ?
P2 C32 1.855(5) . ?
C31 C26 1.395(8) . ?
C31 C30 1.433(11) . ?
C20 C25 1.358(9) . ?
C20 C21 1.384(9) . ?
C27 C28 1.373(9) . ?
C27 C26 1.413(8) . ?
C25 C24 1.370(12) . ?
C24 C23 1.433(17) . ?
C21 C22 1.371(11) . ?
C22 C23 1.351(16) . ?
C30 C29 1.344(13) . ?
C28 C29 1.349(12) . ?
P4 F4 1.506(11) 4_665 ?
P4 F4 1.506(11) . ?
P4 F4 1.506(11) 3_465 ?
P4 F4 1.506(11) 2_575 ?
P4 F3 1.524(9) 4_665 ?
P4 F3 1.524(9) 3_465 ?
P4 F3 1.524(9) . ?
P4 F3 1.524(9) 2_575 ?
P3 F2 1.460(13) . ?
P3 F2 1.460(13) 3_565 ?
P3 F1 1.519(6) 2_665 ?
P3 F1 1.519(6) 3_565 ?
P3 F1 1.519(6) 4_655 ?
P3 F1 1.519(6) . ?
F3 F4 1.68(2) 4_665 ?
F4 F3 1.68(2) 3_465 ?
