#------------------------------------------------------------------------------
#$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/1/50/69/1506966.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_1506966
loop_
_publ_author_name
'Babu, Srinivasarao Arulananda'
'Yasuda, Makoto'
'Shibata, Ikuya'
'Baba, Akio'
_publ_section_title
;
 In- or in(I)-employed diastereoselective Reformatsky-type reactions with
 ketones: 1H NMR investigations on the active species.
;
_journal_issue                   24
_journal_name_full               'Organic letters'
_journal_page_first              4475
_journal_page_last               4478
_journal_paper_doi               10.1021/ol0482846
_journal_volume                  6
_journal_year                    2004
_chemical_formula_moiety         'C20 H20 Br Cl O4 '
_chemical_formula_sum            'C20 H20 Br Cl O4'
_chemical_formula_weight         439.73
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 93.27(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.847(8)
_cell_length_b                   8.940(7)
_cell_length_c                   19.015(6)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    296.2
_cell_measurement_theta_max      15.0
_cell_measurement_theta_min      14.6
_cell_volume                     2011(2)
_computing_cell_refinement       'MSC/AFC Diffractometer Control'
_computing_data_collection       'MSC/AFC Diffractometer Control'
_computing_data_reduction        'teXsan Ver. 1.11'
_computing_publication_material  'teXsan Ver. 1.11'
_computing_structure_refinement  'teXsan Ver. 1.10'
_computing_structure_solution    SIR92
_diffrn_measured_fraction_theta_full 1.0403
_diffrn_measured_fraction_theta_max 1.0403
_diffrn_measurement_device_type  'Rigaku AFC5R'
_diffrn_measurement_method       ω-2θ
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.034
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            6494
_diffrn_reflns_theta_full        29.99
_diffrn_reflns_theta_max         29.99
_diffrn_standards_decay_%        19.53
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.204
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.800
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.452
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.500
_exptl_crystal_size_min          0.500
_refine_diff_density_max         0.50
_refine_diff_density_min         -0.85
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.661
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     315
_refine_ls_number_reflns         2406
_refine_ls_R_factor_gt           0.0589
_refine_ls_shift/su_max          0.7547
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[σ²(Fo²) + (0.05000(Max(Fo²,0) + 2Fc²)/3)²]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1297
_reflns_number_gt                2406
_reflns_number_total             6112
_reflns_threshold_expression     F²>2.0σ(F²)
_cod_data_source_file            ol0482846si20040830_023940.cif
_cod_data_source_block           9a1B
_cod_original_cell_volume        2010(1)
_cod_original_formula_sum        'C20 H20 Br Cl O4 '
_cod_database_code               1506966
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2-x,1/2+y,-z
-x,-y,-z
1/2+x,1/2-y,z
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_calc_flag
Br(1) Br 0.74494(6) -0.35344(8) 0.52927(4) 0.0656(2) Uani 1.00 d
Cl(1) Cl 0.9993(2) 0.2524(3) 1.0525(1) 0.0961(8) Uani 1.00 d
O(1) O 0.6934(3) 0.5216(4) 0.7296(2) 0.049(1) Uani 1.00 d
O(2) O 0.5048(4) 0.5235(5) 0.7137(3) 0.070(2) Uani 1.00 d
O(3) O 0.6553(3) 0.2054(4) 0.7675(2) 0.042(1) Uani 1.00 d
O(4) O 0.6017(4) -0.0104(5) 0.8192(2) 0.064(1) Uani 1.00 d
C(1) C 0.8057(8) 0.6995(10) 0.7954(6) 0.090(3) Uani 1.00 d
C(2) C 0.6867(6) 0.6580(8) 0.7716(4) 0.060(2) Uani 1.00 d
C(3) C 0.5946(5) 0.4659(7) 0.7037(3) 0.046(2) Uani 1.00 d
C(4) C 0.6107(5) 0.3248(6) 0.6603(3) 0.039(2) Uani 1.00 d
C(5) C 0.5390(7) 0.3368(9) 0.5903(4) 0.058(2) Uani 1.00 d
C(6) C 0.5818(4) 0.1826(6) 0.7036(3) 0.041(2) Uani 1.00 d
C(7) C 0.4580(5) 0.1793(8) 0.7225(4) 0.055(2) Uani 1.00 d
C(8) C 0.6191(4) 0.0447(6) 0.6641(3) 0.036(2) Uani 1.00 d
C(9) C 0.7339(5) 0.0105(6) 0.6629(3) 0.041(2) Uani 1.00 d
C(10) C 0.7719(5) -0.1071(6) 0.6237(3) 0.042(2) Uani 1.00 d
C(11) C 0.6939(5) -0.1932(6) 0.5851(3) 0.043(2) Uani 1.00 d
C(12) C 0.5794(5) -0.1637(7) 0.5860(3) 0.051(2) Uani 1.00 d
C(13) C 0.5432(5) -0.0465(7) 0.6255(3) 0.048(2) Uani 1.00 d
C(14) C 0.6578(5) 0.1009(7) 0.8201(3) 0.047(2) Uani 1.00 d
C(15) C 0.7395(5) 0.1477(7) 0.8782(3) 0.046(2) Uani 1.00 d
C(16) C 0.8033(6) 0.2772(7) 0.8766(3) 0.052(2) Uani 1.00 d
C(17) C 0.8832(6) 0.3098(8) 0.9293(4) 0.064(2) Uani 1.00 d
C(18) C 0.8980(6) 0.2111(8) 0.9862(3) 0.060(2) Uani 1.00 d
C(19) C 0.8356(7) 0.0842(9) 0.9886(4) 0.073(3) Uani 1.00 d
C(20) C 0.7577(7) 0.0492(8) 0.9350(4) 0.067(2) Uani 1.00 d
H(1) H 0.807(10) 0.78(1) 0.819(6) 0.14(4) Uiso 1.00 calc
H(2) H 0.850(6) 0.626(7) 0.824(3) 0.08(2) Uiso 1.00 calc
H(3) H 0.85(1) 0.72(2) 0.749(7) 0.29(5) Uiso 1.00 calc
H(4) H 0.634(5) 0.643(6) 0.811(3) 0.05(1) Uiso 1.00 calc
H(5) H 0.644(6) 0.759(8) 0.743(3) 0.10(2) Uiso 1.00 calc
H(6) H 0.695(6) 0.316(7) 0.643(3) 0.09(2) Uiso 1.00 calc
H(7) H 0.465(6) 0.356(7) 0.594(3) 0.07(2) Uiso 1.00 calc
H(8) H 0.560(5) 0.428(7) 0.563(3) 0.06(2) Uiso 1.00 calc
H(9) H 0.543(5) 0.234(7) 0.567(3) 0.06(2) Uiso 1.00 calc
H(10) H 0.407(6) 0.179(8) 0.681(4) 0.08(2) Uiso 1.00 calc
H(11) H 0.443(5) 0.271(7) 0.763(3) 0.08(2) Uiso 1.00 calc
H(12) H 0.438(6) 0.099(7) 0.748(3) 0.08(2) Uiso 1.00 calc
H(13) H 0.788(4) 0.075(6) 0.691(3) 0.04(1) Uiso 1.00 calc
H(14) H 0.850(5) -0.133(6) 0.618(3) 0.06(2) Uiso 1.00 calc
H(15) H 0.530(5) -0.224(7) 0.564(3) 0.05(2) Uiso 1.00 calc
H(16) H 0.466(5) -0.028(6) 0.623(3) 0.05(1) Uiso 1.00 calc
H(17) H 0.792(4) 0.344(6) 0.840(3) 0.04(1) Uiso 1.00 calc
H(18) H 0.923(5) 0.408(7) 0.927(3) 0.06(2) Uiso 1.00 calc
H(19) H 0.849(5) 0.015(7) 1.024(3) 0.06(2) Uiso 1.00 calc
H(20) H 0.722(6) -0.046(8) 0.928(3) 0.07(2) Uiso 1.00 calc
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 for Crystallography
(1992, Vol. C, Tables 4.2.6.8 and 6.1.1.1)
;
H H 0.000 0.000
;International Tables for Crystallography
(1992, Vol. C, Table 6.1.1.2)
;
O O 0.011 0.006
;International Tables for Crystallography
(1992, Vol. C, Tables 4.2.6.8 and 6.1.1.1)
;
Br Br -0.290 2.459
;International Tables for Crystallography
(1992, Vol. C, Tables 4.2.6.8 and 6.1.1.1)
;
Cl Cl 0.148 0.159
;International Tables for Crystallography
(1992, Vol. C, Tables 4.2.6.8 and 6.1.1.1)
;
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
C(2) O(1) C(3) 116.0(5) yes
C(6) O(3) C(14) 119.8(4) yes
C(2) C(1) H(1) 110(8) no
C(2) C(1) H(2) 117(3) no
C(2) C(1) H(3) 106(7) no
H(1) C(1) H(2) 106(7) no
H(1) C(1) H(3) 107(10) no
H(2) C(1) H(3) 107(9) no
O(1) C(2) C(1) 106.9(6) yes
O(1) C(2) H(4) 110(3) no
O(1) C(2) H(5) 115(3) no
C(1) C(2) H(4) 114(3) no
C(1) C(2) H(5) 109(3) no
H(4) C(2) H(5) 99(4) no
O(1) C(3) O(2) 122.9(5) yes
O(1) C(3) C(4) 111.9(5) yes
O(2) C(3) C(4) 125.2(5) yes
C(3) C(4) C(5) 109.3(5) yes
C(3) C(4) C(6) 110.5(5) yes
C(3) C(4) H(6) 112(3) no
C(5) C(4) C(6) 112.7(5) yes
C(5) C(4) H(6) 102(3) no
C(6) C(4) H(6) 109(3) no
C(4) C(5) H(7) 115(4) no
C(4) C(5) H(8) 111(3) no
C(4) C(5) H(9) 106(3) no
H(7) C(5) H(8) 98(5) no
H(7) C(5) H(9) 105(5) no
H(8) C(5) H(9) 119(4) no
O(3) C(6) C(4) 100.7(4) yes
O(3) C(6) C(7) 109.8(5) yes
O(3) C(6) C(8) 110.2(4) yes
C(4) C(6) C(7) 112.4(5) yes
C(4) C(6) C(8) 108.7(4) yes
C(7) C(6) C(8) 114.2(5) yes
C(6) C(7) H(10) 111(4) no
C(6) C(7) H(11) 109(3) no
C(6) C(7) H(12) 115(4) no
H(10) C(7) H(11) 116(5) no
H(10) C(7) H(12) 105(5) no
H(11) C(7) H(12) 98(5) no
C(6) C(8) C(9) 119.8(4) yes
C(6) C(8) C(13) 122.5(5) yes
C(9) C(8) C(13) 117.6(5) yes
C(8) C(9) C(10) 121.7(5) yes
C(8) C(9) H(13) 117(2) no
C(10) C(9) H(13) 120(2) no
C(9) C(10) C(11) 118.8(5) yes
C(9) C(10) H(14) 125(3) no
C(11) C(10) H(14) 115(3) no
Br(1) C(11) C(10) 119.4(4) yes
Br(1) C(11) C(12) 119.6(4) yes
C(10) C(11) C(12) 120.9(5) yes
C(11) C(12) C(13) 119.3(5) yes
C(11) C(12) H(15) 120(3) no
C(13) C(12) H(15) 120(3) no
C(8) C(13) C(12) 121.6(5) yes
C(8) C(13) H(16) 122(3) no
C(12) C(13) H(16) 116(3) no
O(3) C(14) O(4) 124.6(5) yes
O(3) C(14) C(15) 109.7(5) yes
O(4) C(14) C(15) 125.7(6) yes
C(14) C(15) C(16) 123.6(5) yes
C(14) C(15) C(20) 117.4(6) yes
C(16) C(15) C(20) 118.8(6) yes
C(15) C(16) C(17) 121.2(6) yes
C(15) C(16) H(17) 120(3) no
C(17) C(16) H(17) 118(3) no
C(16) C(17) C(18) 118.8(7) yes
C(16) C(17) H(18) 117(3) no
C(18) C(17) H(18) 123(3) no
Cl(1) C(18) C(17) 118.7(6) yes
Cl(1) C(18) C(19) 120.7(6) yes
C(17) C(18) C(19) 120.6(6) yes
C(18) C(19) C(20) 120.7(7) yes
C(18) C(19) H(19) 121(3) no
C(20) C(19) H(19) 117(3) no
C(15) C(20) C(19) 119.8(7) yes
C(15) C(20) H(20) 113(4) no
C(19) C(20) H(20) 125(4) no
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_publ_flag
Br(1) C(11) 1.902(5) yes
Cl(1) C(18) 1.730(6) yes
O(1) C(2) 1.462(7) yes
O(1) C(3) 1.339(6) yes
O(2) C(3) 1.207(7) yes
O(3) C(6) 1.468(6) yes
O(3) C(14) 1.369(7) yes
O(4) C(14) 1.196(7) yes
C(1) C(2) 1.50(1) yes
C(1) H(1) 0.8(1) no
C(1) H(2) 0.99(7) no
C(1) H(3) 1.1(1) no
C(2) H(4) 1.01(6) no
C(2) H(5) 1.16(7) no
C(3) C(4) 1.526(8) yes
C(4) C(5) 1.541(8) yes
C(4) C(6) 1.563(8) yes
C(4) H(6) 1.08(7) no
C(5) H(7) 0.90(7) no
C(5) H(8) 1.01(6) no
C(5) H(9) 1.02(6) no
C(6) C(7) 1.531(8) yes
C(6) C(8) 1.521(7) yes
C(7) H(10) 0.97(7) no
C(7) H(11) 1.15(6) no
C(7) H(12) 0.91(7) no
C(8) C(9) 1.396(7) yes
C(8) C(13) 1.392(7) yes
C(9) C(10) 1.379(7) yes
C(9) H(13) 1.00(5) no
C(10) C(11) 1.382(8) yes
C(10) H(14) 0.96(6) no
C(11) C(12) 1.382(8) yes
C(12) C(13) 1.372(8) yes
C(12) H(15) 0.88(6) no
C(13) H(16) 0.92(5) no
C(14) C(15) 1.486(8) yes
C(15) C(16) 1.384(8) yes
C(15) C(20) 1.402(8) yes
C(16) C(17) 1.370(9) yes
C(16) H(17) 0.92(5) no
C(17) C(18) 1.399(9) yes
C(17) H(18) 1.00(6) no
C(18) C(19) 1.36(1) yes
C(19) C(20) 1.371(10) yes
C(19) H(19) 0.92(6) no
C(20) H(20) 0.95(7) no
loop_
_geom_contact_atom_site_label_1
_geom_contact_atom_site_label_2
_geom_contact_distance
_geom_contact_site_symmetry_2
Br(1) H(8) 3.03(6) 1_545
Br(1) H(16) 3.26(6) 4_545
Br(1) H(9) 3.29(6) 2_646
Br(1) H(7) 3.32(7) 3_656
Br(1) H(15) 3.47(6) 4_545
Cl(1) H(2) 3.07(7) 3_767
Cl(1) H(18) 3.19(6) 3_767
Cl(1) H(20) 3.22(7) 2_657
Cl(1) H(4) 3.27(6) 2_647
Cl(1) H(1) 3.3(1) 3_767
Cl(1) H(19) 3.37(6) 3_757
Cl(1) O(4) 3.496(5) 2_657
O(1) H(12) 3.09(7) 4_555
O(1) H(10) 3.28(7) 4_555
O(2) H(14) 2.69(6) 4_455
O(2) H(13) 2.72(5) 4_455
O(2) H(3) 3.0(2) 4_465
O(2) C(10) 3.250(7) 4_455
O(2) C(9) 3.313(7) 4_455
O(3) H(11) 3.42(6) 4_555
O(4) H(5) 2.58(7) 1_545
O(4) H(1) 3.1(1) 1_545
O(4) H(4) 3.13(5) 1_545
O(4) H(18) 3.16(6) 4_455
O(4) H(2) 3.16(7) 4_455
O(4) C(2) 3.275(8) 1_545
O(4) C(1) 3.59(1) 1_545
C(1) H(12) 3.25(7) 4_555
C(1) H(20) 3.58(7) 1_565
C(3) H(14) 3.57(6) 4_455
C(4) H(10) 3.51(7) 4_555
C(5) H(15) 3.17(6) 3_656
C(5) H(14) 3.52(6) 4_455
C(7) H(13) 3.02(5) 4_455
C(7) H(17) 3.08(5) 4_455
C(7) H(6) 3.39(7) 4_455
C(7) C(16) 3.564(9) 4_455
C(8) H(5) 2.97(7) 1_545
C(9) H(5) 2.95(7) 1_545
C(9) H(7) 3.33(7) 4_555
C(9) H(3) 3.3(2) 1_545
C(9) H(10) 3.46(7) 4_555
C(10) H(3) 3.0(1) 1_545
C(10) H(5) 3.05(7) 1_545
C(10) H(7) 3.28(7) 4_555
C(11) H(5) 3.13(6) 1_545
C(12) H(5) 3.12(7) 1_545
C(12) H(9) 3.23(6) 3_656
C(12) H(14) 3.36(6) 4_445
C(13) H(5) 3.03(7) 1_545
C(14) H(1) 3.4(1) 1_545
C(14) H(5) 3.38(7) 1_545
C(14) H(18) 3.53(6) 4_455
C(15) H(11) 3.42(6) 4_555
C(15) H(1) 3.6(1) 1_545
C(16) H(11) 2.82(6) 4_555
C(16) H(12) 3.19(7) 4_555
C(16) H(19) 3.42(6) 2_657
C(17) H(20) 3.31(7) 2_657
C(17) H(11) 3.35(6) 4_555
C(17) H(19) 3.46(6) 2_657
C(18) H(20) 3.11(7) 2_657
C(20) H(1) 3.3(1) 1_545
H(1) H(20) 2.8(1) 1_565
H(1) H(13) 3.6(1) 1_565
H(2) H(12) 2.72(9) 4_555
H(3) H(14) 2.8(2) 1_565
H(3) H(12) 3.0(2) 4_555
H(3) H(16) 3.3(2) 4_555
H(3) H(13) 3.4(2) 1_565
H(3) H(5) 3.5(2) 4_565
H(4) H(19) 3.34(8) 2_657
H(5) H(13) 3.47(9) 1_565
H(5) H(16) 3.57(9) 1_565
H(5) H(15) 3.59(9) 1_565
H(6) H(10) 2.6(1) 4_555
H(6) H(12) 3.49(10) 4_555
H(7) H(14) 2.88(9) 4_455
H(7) H(13) 2.94(8) 4_455
H(7) H(15) 3.23(8) 3_656
H(7) H(8) 3.55(8) 3_666
H(8) H(8) 3.0(1) 3_666
H(8) H(15) 3.13(9) 1_565
H(8) H(15) 3.16(8) 3_656
H(8) H(14) 3.30(8) 4_455
H(9) H(15) 2.59(7) 3_656
H(10) H(13) 2.63(8) 4_455
H(10) H(17) 3.41(9) 4_455
H(11) H(17) 2.59(8) 4_455
H(11) H(13) 2.62(8) 4_455
H(11) H(18) 3.51(8) 4_455
H(12) H(17) 2.59(9) 4_455
H(12) H(18) 3.41(9) 4_455
H(12) H(13) 3.55(8) 4_455
H(14) H(15) 2.73(8) 4_545
H(14) H(16) 3.33(8) 4_545
H(17) H(19) 3.50(8) 2_657
H(18) H(20) 3.36(8) 2_657
H(18) H(19) 3.54(9) 2_657
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
_geom_torsion_publ_flag
Br(1) C(11) C(10) C(9) 178.8(4) yes
Br(1) C(11) C(12) C(13) -179.0(5) yes
Cl(1) C(18) C(17) C(16) 179.7(5) yes
Cl(1) C(18) C(19) C(20) -178.0(6) yes
O(1) C(3) C(4) C(5) -132.9(6) yes
O(1) C(3) C(4) C(6) 102.7(5) yes
O(2) C(3) O(1) C(2) 0.2(9) yes
O(2) C(3) C(4) C(5) 46.4(8) yes
O(2) C(3) C(4) C(6) -78.0(7) yes
O(3) C(6) C(4) C(3) -54.0(5) yes
O(3) C(6) C(4) C(5) -176.5(5) yes
O(3) C(6) C(8) C(9) -35.9(7) yes
O(3) C(6) C(8) C(13) 147.5(5) yes
O(3) C(14) C(15) C(16) -1.0(8) yes
O(3) C(14) C(15) C(20) -176.5(5) yes
O(4) C(14) O(3) C(6) -1.4(8) yes
O(4) C(14) C(15) C(16) 179.5(6) yes
O(4) C(14) C(15) C(20) 4.0(10) yes
C(1) C(2) O(1) C(3) 179.7(6) yes
C(2) O(1) C(3) C(4) 179.5(5) yes
C(3) C(4) C(6) C(7) 62.8(6) yes
C(3) C(4) C(6) C(8) -169.8(4) yes
C(4) C(6) O(3) C(14) -178.5(4) yes
C(4) C(6) C(8) C(9) 73.5(6) yes
C(4) C(6) C(8) C(13) -103.0(6) yes
C(5) C(4) C(6) C(7) -59.7(7) yes
C(5) C(4) C(6) C(8) 67.7(6) yes
C(6) O(3) C(14) C(15) 179.0(4) yes
C(6) C(8) C(9) C(10) -175.3(5) yes
C(6) C(8) C(13) C(12) 175.0(6) yes
C(7) C(6) O(3) C(14) 62.8(6) yes
C(7) C(6) C(8) C(9) -160.1(6) yes
C(7) C(6) C(8) C(13) 23.4(8) yes
C(8) C(6) O(3) C(14) -63.9(6) yes
C(8) C(9) C(10) C(11) -0.2(9) yes
C(8) C(13) C(12) C(11) 0.7(10) yes
C(9) C(8) C(13) C(12) -1.6(9) yes
C(9) C(10) C(11) C(12) -0.8(9) yes
C(10) C(9) C(8) C(13) 1.4(8) yes
C(10) C(11) C(12) C(13) 0.6(10) yes
C(14) C(15) C(16) C(17) -175.4(6) yes
C(14) C(15) C(20) C(19) 177.4(7) yes
C(15) C(16) C(17) C(18) -1(1) yes
C(15) C(20) C(19) C(18) -2(1) yes
C(16) C(15) C(20) C(19) 1(1) yes
C(16) C(17) C(18) C(19) 0(1) yes
C(17) C(16) C(15) C(20) 0.0(10) yes
C(17) C(18) C(19) C(20) 0(1) yes
C(17) C(18) C(19) C(20) 0(1) yes
