#------------------------------------------------------------------------------
#$Date: 2016-02-20 22:30:07 +0200 (Sat, 20 Feb 2016) $
#$Revision: 176789 $
#$URL: svn://www.crystallography.net/cod/cif/2/22/12/2221211.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_2221211
loop_
_publ_author_name
'Anuradha, N.'
'Thiruvalluvar, A.'
'Pandiarajan, K.'
'Chitra, S.'
'Butcher, R. J.'
_publ_section_title
;
 2-Methyl-3,5,6-triphenyl-2,3-dihydropyrazine
;
_journal_coeditor_code           TK2373
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o546
_journal_paper_doi               10.1107/S1600536809005042
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C23 H20 N2'
_chemical_formula_moiety         'C23 H20 N2'
_chemical_formula_structural     'C23 H20 N2'
_chemical_formula_sum            'C23 H20 N2'
_chemical_formula_weight         324.41
_chemical_melting_point          460
_chemical_name_common            dihydropyrazine
_chemical_name_systematic
;
2-Methyl-3,5,6-triphenyl-2,3-dihydropyrazine
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                93.439(8)
_cell_angle_beta                 114.161(10)
_cell_angle_gamma                118.343(9)
_cell_formula_units_Z            2
_cell_length_a                   10.4406(10)
_cell_length_b                   10.5753(7)
_cell_length_c                   11.0810(13)
_cell_measurement_reflns_used    5680
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      77.4
_cell_measurement_theta_min      5.2
_cell_volume                     931.9(2)
_computing_cell_refinement       'CrysAlis RED (Oxford Diffraction, 2008)'
_computing_data_collection       'CrysAlis CCD (Oxford Diffraction, 2008)'
_computing_data_reduction        'CrysAlis RED (Oxford Diffraction, 2008)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.5081
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Oxford Diffraction Gemini R'
_diffrn_measurement_method       'φ and ω'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.045
_diffrn_reflns_av_sigmaI/netI    0.037
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8513
_diffrn_reflns_theta_full        77.5
_diffrn_reflns_theta_max         77.5
_diffrn_reflns_theta_min         5.2
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.521
_exptl_absorpt_correction_T_max  0.885
_exptl_absorpt_correction_T_min  0.831
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   '(CrysAlis RED; Oxford Diffraction, 2008)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.156
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.47
_refine_diff_density_min         -0.27
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.09
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3852
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.093
_refine_ls_R_factor_gt           0.086
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_max_lt       0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[σ²(Fo²)+(0.1784P)²+0.1376P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.260
_refine_ls_wR_factor_ref         0.270
_reflns_number_gt                3195
_reflns_number_total             3852
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            tk2373.cif
_cod_data_source_block           I
_cod_database_code               2221211
_cod_database_fobs_code          2221211
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 x,y,z
2 -x,-y,-z
loop_
_atom_site_type_symbol
_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
_atom_site_refinement_flags
_atom_site_occupancy
N N1 0.0780(2) 0.1850(2) -0.0471(2) 0.0633(6) Uani d . 1.000
N N4 0.39318(19) 0.25469(17) -0.01087(17) 0.0512(5) Uani d . 1.000
C C2 0.0900(3) 0.0714(2) -0.1158(3) 0.0613(7) Uani d . 1.000
C C3 0.2375(3) 0.1513(2) -0.1432(2) 0.0551(6) Uani d . 1.000
C C5 0.3812(2) 0.3247(2) 0.0777(2) 0.0491(5) Uani d . 1.000
C C6 0.2163(2) 0.3057(2) 0.0441(2) 0.0536(6) Uani d . 1.000
C C21 -0.0774(3) -0.0383(3) -0.2471(3) 0.0824(9) Uani d . 1.000
C C31 0.2605(3) 0.0442(2) -0.2156(2) 0.0587(6) Uani d . 1.000
C C32 0.3089(3) -0.0438(3) -0.1466(3) 0.0712(8) Uani d . 1.000
C C33 0.3318(4) -0.1415(3) -0.2108(3) 0.0873(10) Uani d . 1.000
C C34 0.3090(4) -0.1517(3) -0.3418(3) 0.0930(10) Uani d . 1.000
C C35 0.2604(4) -0.0662(4) -0.4115(3) 0.0901(10) Uani d . 1.000
C C36 0.2364(3) 0.0324(3) -0.3491(3) 0.0732(8) Uani d . 1.000
C C51 0.5327(2) 0.4176(2) 0.2180(2) 0.0498(6) Uani d . 1.000
C C52 0.5222(3) 0.4188(3) 0.3387(3) 0.0634(7) Uani d . 1.000
C C53 0.6663(3) 0.4975(3) 0.4688(3) 0.0739(9) Uani d . 1.000
C C54 0.8218(3) 0.5780(3) 0.4792(3) 0.0725(8) Uani d . 1.000
C C55 0.8337(3) 0.5780(3) 0.3593(3) 0.0658(7) Uani d . 1.000
C C56 0.6909(2) 0.4972(2) 0.2294(2) 0.0539(6) Uani d . 1.000
C C61 0.2079(3) 0.4259(2) 0.1105(2) 0.0537(6) Uani d . 1.000
C C62 0.0694(3) 0.3844(3) 0.1264(3) 0.0638(7) Uani d . 1.000
C C63 0.0531(3) 0.4931(3) 0.1805(3) 0.0762(10) Uani d . 1.000
C C64 0.1712(4) 0.6439(3) 0.2153(3) 0.0806(10) Uani d . 1.000
C C65 0.3098(3) 0.6872(3) 0.1991(3) 0.0750(9) Uani d . 1.000
C C66 0.3283(3) 0.5782(3) 0.1468(3) 0.0630(7) Uani d . 1.000
H H2 0.11272 0.01451 -0.05249 0.0736 Uiso calc R 1.000
H H3 0.21696 0.21204 -0.20281 0.0661 Uiso calc R 1.000
H H21A -0.16525 -0.07906 -0.22411 0.1236 Uiso calc R 1.000
H H21B -0.07434 -0.11930 -0.28702 0.1236 Uiso calc R 1.000
H H21C -0.09824 0.01403 -0.31308 0.1236 Uiso calc R 1.000
H H32 0.32603 -0.03712 -0.05663 0.0854 Uiso calc R 1.000
H H33 0.36313 -0.20078 -0.16377 0.1046 Uiso calc R 1.000
H H34 0.32629 -0.21646 -0.38372 0.1115 Uiso calc R 1.000
H H35 0.24329 -0.07406 -0.50159 0.1078 Uiso calc R 1.000
H H36 0.20407 0.09047 -0.39721 0.0879 Uiso calc R 1.000
H H52 0.41748 0.36626 0.33246 0.0761 Uiso calc R 1.000
H H53 0.65783 0.49590 0.54911 0.0886 Uiso calc R 1.000
H H54 0.91824 0.63205 0.56637 0.0869 Uiso calc R 1.000
H H55 0.93864 0.63279 0.36618 0.0790 Uiso calc R 1.000
H H56 0.70022 0.49594 0.14949 0.0647 Uiso calc R 1.000
H H62 -0.01299 0.28242 0.10022 0.0765 Uiso calc R 1.000
H H63 -0.03835 0.46414 0.19338 0.0914 Uiso calc R 1.000
H H64 0.15848 0.71699 0.24976 0.0967 Uiso calc R 1.000
H H65 0.39029 0.78941 0.22342 0.0900 Uiso calc R 1.000
H H66 0.42124 0.60729 0.13614 0.0757 Uiso calc R 1.000
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
N N 0.0311 0.0180 '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'
C C 0.0181 0.0091 '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_site_symmetry_1
_geom_angle_site_symmetry_2
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
C2 N1 C6 . . . 116.8(2) no
C3 N4 C5 . . . 116.3(2) no
N1 C2 C3 . . . 109.45(18) no
N1 C2 C21 . . . 109.0(3) no
C3 C2 C21 . . . 113.5(2) no
N4 C3 C2 . . . 109.53(19) no
N4 C3 C31 . . . 109.3(2) no
C2 C3 C31 . . . 113.97(18) no
N4 C5 C6 . . . 121.10(19) no
N4 C5 C51 . . . 117.5(2) no
C6 C5 C51 . . . 121.34(19) no
N1 C6 C5 . . . 120.0(2) no
N1 C6 C61 . . . 117.9(2) no
C5 C6 C61 . . . 122.14(19) no
C3 C31 C32 . . . 119.6(2) no
C3 C31 C36 . . . 121.8(2) no
C32 C31 C36 . . . 118.5(3) no
C31 C32 C33 . . . 120.4(3) no
C32 C33 C34 . . . 120.7(3) no
C33 C34 C35 . . . 119.6(4) no
C34 C35 C36 . . . 120.7(3) no
C31 C36 C35 . . . 120.1(3) no
C5 C51 C52 . . . 121.7(2) no
C5 C51 C56 . . . 119.25(19) no
C52 C51 C56 . . . 118.9(2) no
C51 C52 C53 . . . 120.7(3) no
C52 C53 C54 . . . 120.1(3) no
C53 C54 C55 . . . 119.7(3) no
C54 C55 C56 . . . 120.5(3) no
C51 C56 C55 . . . 120.1(2) no
C6 C61 C62 . . . 119.0(2) no
C6 C61 C66 . . . 121.5(3) no
C62 C61 C66 . . . 119.4(3) no
C61 C62 C63 . . . 120.5(3) no
C62 C63 C64 . . . 120.2(4) no
C63 C64 C65 . . . 119.9(3) no
C64 C65 C66 . . . 120.1(3) no
C61 C66 C65 . . . 119.8(3) no
N1 C2 H2 . . . 108.00 no
C3 C2 H2 . . . 108.00 no
C21 C2 H2 . . . 108.00 no
N4 C3 H3 . . . 108.00 no
C2 C3 H3 . . . 108.00 no
C31 C3 H3 . . . 108.00 no
C2 C21 H21A . . . 109.00 no
C2 C21 H21B . . . 109.00 no
C2 C21 H21C . . . 109.00 no
H21A C21 H21B . . . 109.00 no
H21A C21 H21C . . . 110.00 no
H21B C21 H21C . . . 109.00 no
C31 C32 H32 . . . 120.00 no
C33 C32 H32 . . . 120.00 no
C32 C33 H33 . . . 120.00 no
C34 C33 H33 . . . 120.00 no
C33 C34 H34 . . . 120.00 no
C35 C34 H34 . . . 120.00 no
C34 C35 H35 . . . 120.00 no
C36 C35 H35 . . . 120.00 no
C31 C36 H36 . . . 120.00 no
C35 C36 H36 . . . 120.00 no
C51 C52 H52 . . . 120.00 no
C53 C52 H52 . . . 120.00 no
C52 C53 H53 . . . 120.00 no
C54 C53 H53 . . . 120.00 no
C53 C54 H54 . . . 120.00 no
C55 C54 H54 . . . 120.00 no
C54 C55 H55 . . . 120.00 no
C56 C55 H55 . . . 120.00 no
C51 C56 H56 . . . 120.00 no
C55 C56 H56 . . . 120.00 no
C61 C62 H62 . . . 120.00 no
C63 C62 H62 . . . 120.00 no
C62 C63 H63 . . . 120.00 no
C64 C63 H63 . . . 120.00 no
C63 C64 H64 . . . 120.00 no
C65 C64 H64 . . . 120.00 no
C64 C65 H65 . . . 120.00 no
C66 C65 H65 . . . 120.00 no
C61 C66 H66 . . . 120.00 no
C65 C66 H66 . . . 120.00 no
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_1
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
N1 C2 . . 1.466(4) no
N1 C6 . . 1.279(3) no
N4 C3 . . 1.469(3) no
N4 C5 . . 1.276(3) no
C2 C3 . . 1.535(4) no
C2 C21 . . 1.519(4) no
C3 C31 . . 1.514(4) no
C5 C6 . . 1.510(3) no
C5 C51 . . 1.487(3) no
C6 C61 . . 1.487(3) no
C31 C32 . . 1.386(4) no
C31 C36 . . 1.382(4) no
C32 C33 . . 1.384(5) no
C33 C34 . . 1.360(4) no
C34 C35 . . 1.368(5) no
C35 C36 . . 1.390(5) no
C51 C52 . . 1.386(4) no
C51 C56 . . 1.396(3) no
C52 C53 . . 1.388(4) no
C53 C54 . . 1.377(5) no
C54 C55 . . 1.384(4) no
C55 C56 . . 1.382(4) no
C61 C62 . . 1.389(5) no
C61 C66 . . 1.386(4) no
C62 C63 . . 1.377(5) no
C63 C64 . . 1.372(4) no
C64 C65 . . 1.389(6) no
C65 C66 . . 1.387(5) no
C2 H2 . . 0.9800 no
C3 H3 . . 0.9800 no
C21 H21A . . 0.9600 no
C21 H21B . . 0.9600 no
C21 H21C . . 0.9600 no
C32 H32 . . 0.9300 no
C33 H33 . . 0.9300 no
C34 H34 . . 0.9300 no
C35 H35 . . 0.9300 no
C36 H36 . . 0.9300 no
C52 H52 . . 0.9300 no
C53 H53 . . 0.9300 no
C54 H54 . . 0.9300 no
C55 H55 . . 0.9300 no
C56 H56 . . 0.9300 no
C62 H62 . . 0.9300 no
C63 H63 . . 0.9300 no
C64 H64 . . 0.9300 no
C65 H65 . . 0.9300 no
C66 H66 . . 0.9300 no
loop_
_geom_contact_atom_site_label_1
_geom_contact_atom_site_label_2
_geom_contact_distance
_geom_contact_site_symmetry_1
_geom_contact_site_symmetry_2
_geom_contact_publ_flag
N1 N4 2.848(3) . . no
N4 N1 2.848(3) . . no
N1 H62 2.5700 . . no
N1 H2 2.7800 . 2_555 no
N4 H32 2.7800 . . no
N4 H56 2.6400 . . no
N4 H33 2.8300 . 2_655 no
N4 H66 2.7500 . 2_665 no
C32 C32 3.585(5) . 2_655 no
C51 C66 3.207(4) . . no
C52 C66 3.407(5) . . no
C52 C61 3.261(4) . . no
C61 C52 3.261(4) . . no
C62 C64 3.479(4) . 2_565 no
C64 C62 3.479(4) . 2_565 no
C66 C51 3.207(4) . . no
C66 C52 3.407(5) . . no
C2 H32 3.0500 . . no
C5 H2 2.8400 . . no
C5 H66 2.8100 . . no
C6 H52 2.8300 . . no
C6 H3 2.8600 . . no
C31 H21B 2.7700 . . no
C32 H2 2.9200 . . no
C33 H32 3.0600 . 2_655 no
C35 H65 3.0200 . 2_665 no
C35 H21C 3.0600 . 2_554 no
C36 H65 2.9900 . 2_665 no
C51 H66 2.7900 . . no
C51 H33 3.0900 . 2_655 no
C52 H53 3.0500 . 2_666 no
C55 H3 3.0100 . 2_665 no
C56 H33 2.9000 . 2_655 no
C56 H3 2.8300 . 2_665 no
C61 H52 2.8900 . . no
H2 C5 2.8400 . . no
H2 C32 2.9200 . . no
H2 H32 2.5500 . . no
H2 N1 2.7800 . 2_555 no
H3 C6 2.8600 . . no
H3 H21C 2.5600 . . no
H3 H36 2.3600 . . no
H3 C55 3.0100 . 2_665 no
H3 C56 2.8300 . 2_665 no
H21B C31 2.7700 . . no
H21C H3 2.5600 . . no
H21C C35 3.0600 . 2_554 no
H21C H35 2.3300 . 2_554 no
H32 N4 2.7800 . . no
H32 C2 3.0500 . . no
H32 H2 2.5500 . . no
H32 C33 3.0600 . 2_655 no
H33 N4 2.8300 . 2_655 no
H33 C51 3.0900 . 2_655 no
H33 C56 2.9000 . 2_655 no
H35 H21C 2.3300 . 2_554 no
H36 H3 2.3600 . . no
H52 C6 2.8300 . . no
H52 C61 2.8900 . . no
H52 H53 2.4800 . 2_666 no
H53 C52 3.0500 . 2_666 no
H53 H52 2.4800 . 2_666 no
H56 N4 2.6400 . . no
H62 N1 2.5700 . . no
H65 C35 3.0200 . 2_665 no
H65 C36 2.9900 . 2_665 no
H66 C5 2.8100 . . no
H66 C51 2.7900 . . no
H66 N4 2.7500 . 2_665 no
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_site_symmetry_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_publ_flag
C65 H65 Cg(C31--C36) 2_665 0.93 2.97 3.834(3) 156 yes
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_site_symmetry_1
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
_geom_torsion
_geom_torsion_publ_flag
C6 N1 C2 C3 . . . . -38.6(3) no
C6 N1 C2 C21 . . . . -163.2(2) no
C2 N1 C6 C5 . . . . -0.8(3) no
C2 N1 C6 C61 . . . . 177.16(19) no
C5 N4 C3 C2 . . . . -37.2(3) no
C5 N4 C3 C31 . . . . -162.71(18) no
C3 N4 C5 C6 . . . . -2.4(3) no
C3 N4 C5 C51 . . . . 173.76(17) no
N1 C2 C3 N4 . . . . 57.9(3) no
N1 C2 C3 C31 . . . . -179.37(19) no
C21 C2 C3 N4 . . . . 179.9(2) no
C21 C2 C3 C31 . . . . -57.3(3) no
N4 C3 C31 C32 . . . . 56.1(3) no
N4 C3 C31 C36 . . . . -123.2(3) no
C2 C3 C31 C32 . . . . -66.8(3) no
C2 C3 C31 C36 . . . . 113.9(3) no
N4 C5 C6 N1 . . . . 25.0(3) no
N4 C5 C6 C61 . . . . -152.88(19) no
C51 C5 C6 N1 . . . . -151.0(2) no
C51 C5 C6 C61 . . . . 31.1(3) no
N4 C5 C51 C52 . . . . -138.4(2) no
N4 C5 C51 C56 . . . . 36.9(3) no
C6 C5 C51 C52 . . . . 37.7(3) no
C6 C5 C51 C56 . . . . -147.0(2) no
N1 C6 C61 C62 . . . . 30.2(3) no
N1 C6 C61 C66 . . . . -144.8(2) no
C5 C6 C61 C62 . . . . -151.9(2) no
C5 C6 C61 C66 . . . . 33.1(3) no
C3 C31 C32 C33 . . . . -179.5(3) no
C36 C31 C32 C33 . . . . -0.2(5) no
C3 C31 C36 C35 . . . . 179.4(3) no
C32 C31 C36 C35 . . . . 0.1(5) no
C31 C32 C33 C34 . . . . 0.7(5) no
C32 C33 C34 C35 . . . . -1.0(6) no
C33 C34 C35 C36 . . . . 0.9(6) no
C34 C35 C36 C31 . . . . -0.4(6) no
C5 C51 C52 C53 . . . . 175.2(3) no
C56 C51 C52 C53 . . . . -0.1(4) no
C5 C51 C56 C55 . . . . -176.7(2) no
C52 C51 C56 C55 . . . . -1.3(4) no
C51 C52 C53 C54 . . . . 1.3(5) no
C52 C53 C54 C55 . . . . -1.0(5) no
C53 C54 C55 C56 . . . . -0.4(5) no
C54 C55 C56 C51 . . . . 1.6(4) no
C6 C61 C62 C63 . . . . -176.5(2) no
C66 C61 C62 C63 . . . . -1.4(4) no
C6 C61 C66 C65 . . . . 175.3(2) no
C62 C61 C66 C65 . . . . 0.3(4) no
C61 C62 C63 C64 . . . . 2.0(4) no
C62 C63 C64 C65 . . . . -1.6(4) no
C63 C64 C65 C66 . . . . 0.5(4) no
C64 C65 C66 C61 . . . . 0.1(4) no
