#------------------------------------------------------------------------------
#$Date: 2016-02-19 16:29:56 +0200 (Fri, 19 Feb 2016) $
#$Revision: 176759 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/38/2003866.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_2003866
loop_
_publ_author_name
'Capparelli, M. V.'
'De Sanctis, Y.'
'Arce, A. J.'
_publ_contact_author
;
     Dr. Mario V. Capparelli
     Centro de Química
     Instituto Venezolano de Investigaciones Científicas (IVIC)
     Apartado 21827
     Caracas 1020-A
     VENEZUELA
;
_publ_section_title
;Alkyne Coupling Induced by a Trinuclear Ruthenium Cluster: Synthesis and
 Structure of
 Di-μ-carbonyl-hexacarbonyl-μ₃-(1,2,3,4-tetraphenyl-1,3-butadiene-1,4-diyl)-triruthenium(2
 Ru---Ru), [Ru₃(CO)₈(C₄Ph₄)]
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1819
_journal_page_last               1822
_journal_paper_doi               10.1107/S0108270195002861
_journal_volume                  51
_journal_year                    1995
_chemical_formula_sum            'C36 H20 O8 Ru3'
_chemical_formula_weight         883.76
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_audit_creation_method           'from TEXRAY.INF file'
_cell_angle_alpha                90
_cell_angle_beta                 95.77(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.556(3)
_cell_length_b                   18.694(4)
_cell_length_c                   18.465(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    295(1)
_cell_measurement_theta_max      42.1
_cell_measurement_theta_min      33.9
_cell_volume                     3281.9(13)
_computing_cell_refinement       'MSC/AFC Diffractometer Control'
_computing_data_collection       'MSC/AFC Diffractometer Control'
_computing_data_reduction        teXsan
_computing_publication_material  teXsan
_computing_structure_refinement  teXsan
_computing_structure_solution    DIRDIF92
_diffrn_ambient_temperature      295(5)
_diffrn_measurement_device       'Rigaku AFC7S'
_diffrn_measurement_method       'ω/2θ scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.037
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            6368
_diffrn_reflns_theta_max         25.0
_diffrn_standards_decay_%        9.85
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.415
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.719
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details   'DIFABS, Walker & Stuart (1983)'
_exptl_crystal_colour            orange--yellow
_exptl_crystal_density_diffrn    1.789
_exptl_crystal_description       plate
_exptl_crystal_F_000             1728.00
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.79
_refine_diff_density_min         -0.87
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   2.012
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     444
_refine_ls_number_reflns         4924
_refine_ls_number_restraints     0
_refine_ls_R_factor_obs          0.0336
_refine_ls_shift/esd_max         0.001
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_obs         0.0490
_reflns_number_observed          4924
_reflns_number_total             6037
_reflns_observed_criterion       >3\s(I)
_cod_data_source_file            bk1098.cif
_cod_data_source_block           Ru3CO8C4Ph4
_cod_original_cell_volume        3281.0(10)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2003866
loop_
_symmetry_equiv_pos_as_xyz
'   +x,   +y,   +z'
'   -x,1/2+y,1/2-z'
'   -x,   -y,   -z'
'   +x,1/2-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
_atom_site_calc_flag
Ru(1) 0.14602(4) 0.16040(2) 0.69780(2) 0.0349(1) Uani ?
Ru(2) 0.42374(4) 0.17918(2) 0.70264(2) 0.03102(9) Uani ?
Ru(3) 0.18562(4) 0.08807(2) 0.82299(2) 0.0347(1) Uani ?
O(11) -0.0196(5) 0.0886(3) 0.5683(2) 0.085(2) Uani ?
O(12) -0.0550(6) 0.2872(3) 0.6832(3) 0.103(2) Uani ?
O(13) 0.2577(4) 0.2467(2) 0.5721(2) 0.066(1) Uani ?
O(14) -0.1185(4) 0.1057(3) 0.7641(2) 0.070(1) Uani ?
O(21) 0.6374(5) 0.1303(3) 0.6036(2) 0.080(2) Uani ?
O(22) 0.5946(5) 0.3158(2) 0.7048(2) 0.077(2) Uani ?
O(31) 0.1132(7) -0.0633(3) 0.8633(3) 0.107(2) Uani ?
O(32) 0.0908(5) 0.1208(3) 0.9706(2) 0.076(2) Uani ?
C(4) 0.2822(4) 0.1953(2) 0.7958(2) 0.028(1) Uani ?
C(5) 0.3993(4) 0.1493(2) 0.8231(2) 0.029(1) Uani ?
C(6) 0.4086(4) 0.0819(2) 0.7826(2) 0.031(1) Uani ?
C(7) 0.3059(4) 0.0752(2) 0.7195(2) 0.031(1) Uani ?
C(11) 0.0428(6) 0.1156(3) 0.6149(3) 0.051(2) Uani ?
C(12) 0.0215(6) 0.2407(3) 0.6890(3) 0.060(2) Uani ?
C(13) 0.2742(5) 0.2150(3) 0.6254(3) 0.044(1) Uani ?
C(14) 0.0018(5) 0.1108(3) 0.7651(3) 0.048(2) Uani ?
C(21) 0.5553(6) 0.1479(3) 0.6408(3) 0.045(1) Uani ?
C(22) 0.5300(6) 0.2647(3) 0.7061(2) 0.047(2) Uani ?
C(31) 0.1420(6) -0.0065(3) 0.8466(3) 0.061(2) Uani ?
C(32) 0.1261(5) 0.1091(3) 0.9150(3) 0.049(2) Uani ?
C(41) 0.2545(5) 0.2636(2) 0.8337(2) 0.033(1) Uani ?
C(42) 0.3569(5) 0.3144(3) 0.8505(3) 0.043(1) Uani ?
C(43) 0.3274(6) 0.3768(3) 0.8880(3) 0.055(2) Uani ?
C(44) 0.1975(7) 0.3884(3) 0.9090(3) 0.062(2) Uani ?
C(45) 0.0941(6) 0.3385(4) 0.8936(4) 0.065(2) Uani ?
C(46) 0.1225(5) 0.2771(3) 0.8557(3) 0.049(2) Uani ?
C(51) 0.5055(5) 0.1670(2) 0.8850(2) 0.031(1) Uani ?
C(52) 0.6474(5) 0.1698(3) 0.8747(3) 0.043(1) Uani ?
C(53) 0.7472(6) 0.1848(3) 0.9322(3) 0.058(2) Uani ?
C(54) 0.7060(7) 0.1966(4) 1.0007(3) 0.066(2) Uani ?
C(55) 0.5673(7) 0.1955(4) 1.0116(3) 0.062(2) Uani ?
C(56) 0.4658(6) 0.1803(3) 0.9547(3) 0.046(1) Uani ?
C(61) 0.5171(5) 0.0268(2) 0.8064(2) 0.034(1) Uani ?
C(62) 0.6130(5) 0.0019(3) 0.7615(3) 0.042(1) Uani ?
C(63) 0.7157(6) -0.0470(3) 0.7874(3) 0.055(2) Uani ?
C(64) 0.7233(6) -0.0720(3) 0.8571(4) 0.060(2) Uani ?
C(65) 0.6251(7) -0.0493(3) 0.9017(3) 0.063(2) Uani ?
C(66) 0.5219(6) -0.0005(3) 0.8772(3) 0.047(1) Uani ?
C(71) 0.3022(5) 0.0124(2) 0.6700(2) 0.034(1) Uani ?
C(72) 0.3158(6) 0.0219(3) 0.5961(3) 0.046(1) Uani ?
C(73) 0.3122(6) -0.0352(3) 0.5487(3) 0.053(2) Uani ?
C(74) 0.2930(6) -0.1036(3) 0.5737(3) 0.054(2) Uani ?
C(75) 0.2783(6) -0.1142(3) 0.6464(3) 0.049(2) Uani ?
C(76) 0.2838(5) -0.0570(3) 0.6943(3) 0.041(1) Uani ?
H(42) 0.4497 0.3070 0.8363 0.03(1) Uiso calc
H(43) 0.3999 0.4119 0.8989 0.07(2) Uiso calc
H(44) 0.1782 0.4314 0.9346 0.09(2) Uiso calc
H(45) 0.0023 0.3460 0.9090 0.06(2) Uiso calc
H(46) 0.0486 0.2429 0.8444 0.08(2) Uiso calc
H(52) 0.6765 0.1612 0.8272 0.03(1) Uiso calc
H(53) 0.8449 0.1870 0.9244 0.05(1) Uiso calc
H(54) 0.7756 0.2057 1.0408 0.10(2) Uiso calc
H(55) 0.5395 0.2052 1.0592 0.09(2) Uiso calc
H(56) 0.3683 0.1789 0.9630 0.05(1) Uiso calc
H(62) 0.6089 0.0184 0.7120 0.04(1) Uiso calc
H(63) 0.7825 -0.0635 0.7556 0.06(2) Uiso calc
H(64) 0.7959 -0.1049 0.8747 0.06(2) Uiso calc
H(65) 0.6283 -0.0674 0.9504 0.06(2) Uiso calc
H(66) 0.4535 0.0145 0.9088 0.06(2) Uiso calc
H(72) 0.3280 0.0693 0.5778 0.05(1) Uiso calc
H(73) 0.3231 -0.0274 0.4982 0.04(1) Uiso calc
H(74) 0.2899 -0.1435 0.5407 0.07(2) Uiso calc
H(75) 0.2640 -0.1617 0.6640 0.05(1) Uiso calc
H(76) 0.2749 -0.0655 0.7449 0.04(1) Uiso calc
loop_
_atom_type_symbol
_atom_type_scat_source
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
C 'International Tables (1974, Vol. IV)' 0.003 0.002
H 'International Tables (1974, Vol. IV)' 0.000 0.000
O 'International Tables (1974, Vol. IV)' 0.011 0.006
Ru 'International Tables (1974, Vol. IV)' -1.259 0.836
loop_
_diffrn_standard_refln_index_h
_diffrn_standard_refln_index_k
_diffrn_standard_refln_index_l
-2 -5 1
-1 -4 5
-3 -2 4
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_publ_flag
Ru(2) Ru(1) Ru(3) 89.07(2) yes
Ru(2) Ru(1) C(4) 55.50(10) no
Ru(2) Ru(1) C(7) 54.80(10) no
Ru(2) Ru(1) C(11) 120.7(2) yes
Ru(2) Ru(1) C(12) 120.5(2) yes
Ru(2) Ru(1) C(13) 48.30(10) no
Ru(2) Ru(1) C(14) 136.70(10) no
Ru(3) Ru(1) C(4) 54.70(10) no
Ru(3) Ru(1) C(7) 56.20(10) no
Ru(3) Ru(1) C(11) 118.9(2) yes
Ru(3) Ru(1) C(12) 120.2(2) yes
Ru(3) Ru(1) C(13) 137.30(10) no
Ru(3) Ru(1) C(14) 47.70(10) no
C(4) Ru(1) C(7) 74.1(2) yes
C(4) Ru(1) C(11) 170.8(2) yes
C(4) Ru(1) C(12) 98.5(2) no
C(4) Ru(1) C(13) 92.5(2) no
C(4) Ru(1) C(14) 90.7(2) no
C(7) Ru(1) C(11) 96.9(2) no
C(7) Ru(1) C(12) 172.6(2) yes
C(7) Ru(1) C(13) 91.6(2) no
C(7) Ru(1) C(14) 93.2(2) no
C(11) Ru(1) C(12) 90.5(2) yes
C(11) Ru(1) C(13) 89.5(2) yes
C(11) Ru(1) C(14) 88.0(2) yes
C(12) Ru(1) C(13) 87.9(2) yes
C(12) Ru(1) C(14) 87.6(2) yes
C(13) Ru(1) C(14) 174.8(2) yes
Ru(1) Ru(2) C(4) 52.30(10) no
Ru(1) Ru(2) C(5) 78.80(10) no
Ru(1) Ru(2) C(6) 78.20(10) no
Ru(1) Ru(2) C(7) 52.40(10) no
Ru(1) Ru(2) C(13) 52.60(10) no
Ru(1) Ru(2) C(21) 131.6(2) yes
Ru(1) Ru(2) C(22) 129.8(2) yes
C(4) Ru(2) C(5) 36.70(10) no
C(4) Ru(2) C(6) 63.70(10) no
C(4) Ru(2) C(7) 71.10(10) no
C(4) Ru(2) C(13) 93.3(2) no
C(4) Ru(2) C(21) 166.4(2) no
C(4) Ru(2) C(22) 102.5(2) no
C(5) Ru(2) C(6) 36.60(10) no
C(5) Ru(2) C(7) 64.3(2) no
C(5) Ru(2) C(13) 128.3(2) no
C(5) Ru(2) C(21) 130.2(2) no
C(5) Ru(2) C(22) 106.0(2) no
C(6) Ru(2) C(7) 36.40(10) no
C(6) Ru(2) C(13) 127.8(2) no
C(6) Ru(2) C(21) 103.2(2) no
C(6) Ru(2) C(22) 134.3(2) no
C(7) Ru(2) C(13) 93.2(2) no
C(7) Ru(2) C(21) 100.8(2) no
C(7) Ru(2) C(22) 170.2(2) no
C(13) Ru(2) C(21) 98.2(2) yes
C(13) Ru(2) C(22) 94.7(2) yes
C(21) Ru(2) C(22) 83.9(2) yes
Ru(1) Ru(3) C(4) 52.50(10) no
Ru(1) Ru(3) C(5) 78.50(10) no
Ru(1) Ru(3) C(6) 78.60(10) no
Ru(1) Ru(3) C(7) 52.00(10) no
Ru(1) Ru(3) C(14) 52.6(2) no
Ru(1) Ru(3) C(31) 131.5(2) yes
Ru(1) Ru(3) C(32) 130.1(2) yes
C(4) Ru(3) C(5) 36.80(10) no
C(4) Ru(3) C(6) 64.50(10) no
C(4) Ru(3) C(7) 70.60(10) no
C(4) Ru(3) C(14) 92.8(2) no
C(4) Ru(3) C(31) 169.0(2) yes
C(4) Ru(3) C(32) 100.4(2) no
C(5) Ru(3) C(6) 36.70(10) no
C(5) Ru(3) C(7) 63.30(10) no
C(5) Ru(3) C(14) 127.8(2) no
C(5) Ru(3) C(31) 132.4(2) no
C(5) Ru(3) C(32) 103.8(2) no
C(6) Ru(3) C(7) 36.20(10) no
C(6) Ru(3) C(14) 128.3(2) no
C(6) Ru(3) C(31) 105.0(2) no
C(6) Ru(3) C(32) 131.8(2) no
C(7) Ru(3) C(14) 93.6(2) no
C(7) Ru(3) C(31) 103.4(2) no
C(7) Ru(3) C(32) 167.0(2) yes
C(14) Ru(3) C(31) 96.9(3) no
C(14) Ru(3) C(32) 96.2(2) no
C(31) Ru(3) C(32) 83.8(2) no
Ru(1) C(4) Ru(2) 72.20(10) no
Ru(1) C(4) Ru(3) 72.80(10) no
Ru(1) C(4) C(5) 118.4(3) yes
Ru(1) C(4) C(41) 121.1(3) no
Ru(2) C(4) Ru(3) 109.2(2) no
Ru(2) C(4) C(5) 72.2(2) no
Ru(2) C(4) C(41) 127.2(3) no
Ru(3) C(4) C(5) 73.8(2) no
Ru(3) C(4) C(41) 123.6(3) no
C(5) C(4) C(41) 120.6(4) no
Ru(2) C(5) Ru(3) 106.7(2) no
Ru(2) C(5) C(4) 71.1(2) no
Ru(2) C(5) C(6) 72.8(2) no
Ru(2) C(5) C(51) 123.7(3) no
Ru(3) C(5) C(4) 69.5(2) no
Ru(3) C(5) C(6) 71.2(2) no
Ru(3) C(5) C(51) 129.6(3) no
C(4) C(5) C(6) 114.3(4) yes
C(4) C(5) C(51) 125.0(4) no
C(6) C(5) C(51) 120.6(4) no
Ru(2) C(6) Ru(3) 106.2(2) no
Ru(2) C(6) C(5) 70.6(2) no
Ru(2) C(6) C(7) 69.1(2) no
Ru(2) C(6) C(61) 129.1(3) no
Ru(3) C(6) C(5) 72.0(2) no
Ru(3) C(6) C(7) 72.2(2) no
Ru(3) C(6) C(61) 124.7(3) no
C(5) C(6) C(7) 114.3(4) yes
C(5) C(6) C(61) 121.0(4) no
C(7) C(6) C(61) 124.7(4) no
Ru(1) C(7) Ru(2) 72.80(10) no
Ru(1) C(7) Ru(3) 71.80(10) no
Ru(1) C(7) C(6) 118.8(3) yes
Ru(1) C(7) C(71) 118.9(3) no
Ru(2) C(7) Ru(3) 108.3(2) no
Ru(2) C(7) C(6) 74.5(2) no
Ru(2) C(7) C(71) 124.7(3) no
Ru(3) C(7) C(6) 71.5(2) no
Ru(3) C(7) C(71) 127.0(3) no
C(6) C(7) C(71) 122.4(4) no
Ru(1) C(11) O(11) 177.8(5) no
Ru(1) C(12) O(12) 178.3(6) no
Ru(1) C(13) Ru(2) 79.1(2) yes
Ru(1) C(13) O(13) 137.6(4) yes
Ru(2) C(13) O(13) 143.3(5) yes
Ru(1) C(14) Ru(3) 79.8(2) yes
Ru(1) C(14) O(14) 136.2(4) yes
Ru(3) C(14) O(14) 144.0(5) yes
Ru(2) C(21) O(21) 178.3(5) no
Ru(2) C(22) O(22) 176.9(4) no
Ru(3) C(31) O(31) 177.4(6) no
Ru(3) C(32) O(32) 179.1(5) no
C(4) C(41) C(42) 122.8(4) no
C(4) C(41) C(46) 120.2(4) no
C(42) C(41) C(46) 117.0(4) no
C(41) C(42) C(43) 120.9(5) no
C(42) C(43) C(44) 120.7(5) no
C(43) C(44) C(45) 119.7(5) no
C(44) C(45) C(46) 119.8(5) no
C(41) C(46) C(45) 121.9(5) no
C(5) C(51) C(52) 120.2(4) no
C(5) C(51) C(56) 121.2(4) no
C(52) C(51) C(56) 118.6(4) no
C(51) C(52) C(53) 120.7(5) no
C(52) C(53) C(54) 119.9(5) no
C(53) C(54) C(55) 120.3(5) no
C(54) C(55) C(56) 120.5(5) no
C(51) C(56) C(55) 120.0(5) no
C(6) C(61) C(62) 122.6(4) no
C(6) C(61) C(66) 118.8(4) no
C(62) C(61) C(66) 118.6(4) no
C(61) C(62) C(63) 120.3(5) no
C(62) C(63) C(64) 121.2(5) no
C(63) C(64) C(65) 119.0(5) no
C(64) C(65) C(66) 120.9(5) no
C(61) C(66) C(65) 120.0(5) no
C(7) C(71) C(72) 120.2(4) no
C(7) C(71) C(76) 122.3(4) no
C(72) C(71) C(76) 117.4(4) no
C(71) C(72) C(73) 121.6(5) no
C(72) C(73) C(74) 120.1(5) no
C(73) C(74) C(75) 119.3(5) no
C(74) C(75) C(76) 120.6(5) no
C(71) C(76) C(75) 120.9(5) no
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_publ_flag
Ru(1) Ru(2) 2.6696(8) yes
Ru(1) Ru(3) 2.6717(6) yes
Ru(1) C(4) 2.219(4) yes
Ru(1) C(7) 2.216(4) yes
Ru(1) C(11) 1.928(5) yes
Ru(1) C(12) 1.912(6) yes
Ru(1) C(13) 2.159(5) yes
Ru(1) C(14) 2.155(5) yes
Ru(2) C(4) 2.312(4) yes
Ru(2) C(5) 2.327(4) yes
Ru(2) C(6) 2.356(4) yes
Ru(2) C(7) 2.284(4) yes
Ru(2) C(13) 2.029(5) yes
Ru(2) C(21) 1.875(5) yes
Ru(2) C(22) 1.892(6) yes
Ru(3) C(4) 2.283(4) yes
Ru(3) C(5) 2.341(4) yes
Ru(3) C(6) 2.329(4) yes
Ru(3) C(7) 2.339(4) yes
Ru(3) C(14) 2.008(5) yes
Ru(3) C(31) 1.878(6) yes
Ru(3) C(32) 1.887(6) yes
O(11) C(11) 1.117(6) no
O(12) C(12) 1.135(7) no
O(13) C(13) 1.145(6) no
O(14) C(14) 1.152(6) no
O(21) C(21) 1.142(6) no
O(22) C(22) 1.138(6) no
O(31) C(31) 1.147(7) no
O(32) C(32) 1.134(6) no
C(4) C(5) 1.459(6) yes
C(4) C(41) 1.492(6) yes
C(5) C(6) 1.472(6) yes
C(5) C(51) 1.488(6) yes
C(6) C(7) 1.452(6) yes
C(6) C(61) 1.496(6) yes
C(7) C(71) 1.486(6) yes
C(41) C(42) 1.377(7) no
C(41) C(46) 1.388(7) no
C(42) C(43) 1.399(7) no
C(43) C(44) 1.354(8) no
C(44) C(45) 1.368(9) no
C(45) C(46) 1.384(8) no
C(51) C(52) 1.388(7) no
C(51) C(56) 1.399(6) no
C(52) C(53) 1.383(7) no
C(53) C(54) 1.380(8) no
C(54) C(55) 1.361(9) no
C(55) C(56) 1.387(7) no
C(61) C(62) 1.379(6) no
C(61) C(66) 1.399(6) no
C(62) C(63) 1.391(7) no
C(63) C(64) 1.365(8) no
C(64) C(65) 1.376(9) no
C(65) C(66) 1.385(7) no
C(71) C(72) 1.394(7) no
C(71) C(76) 1.391(7) no
C(72) C(73) 1.379(7) no
C(73) C(74) 1.377(8) no
C(74) C(75) 1.378(8) no
C(75) C(76) 1.385(7) no
