#------------------------------------------------------------------------------
#$Date: 2020-06-06 04:11:42 +0300 (Sat, 06 Jun 2020) $
#$Revision: 252959 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/55/82/1558200.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_1558200
loop_
_publ_author_name
'Ding, Xiaodan'
'Unruh, Daniel K.'
'Groeneman , Ryan'
'Hutchins, Kristin M.'
_publ_section_title
;
 Controlling thermal expansion within mixed cocrystals by tuning molecular
 motion capability
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D0SC02795B
_journal_year                    2020
_chemical_formula_sum            'C18 H14.6 N2 O2'
_chemical_formula_weight         290.92
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2020-04-02T10:35:40-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2020-04-08 deposited with the CCDC.	2020-06-05 downloaded from the CCDC.
;
_cell_angle_alpha                92.3016(11)
_cell_angle_beta                 108.0971(14)
_cell_angle_gamma                114.5370(15)
_cell_formula_units_Z            2
_cell_length_a                   8.18873(15)
_cell_length_b                   9.82362(13)
_cell_length_c                   10.94583(15)
_cell_measurement_reflns_used    10371
_cell_measurement_temperature    230(2)
_cell_measurement_theta_max      76.857
_cell_measurement_theta_min      4.32
_cell_volume                     746.66(2)
_computing_cell_refinement       'CrysAlisPro 1.171.40.65a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.65a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.65a (Rigaku OD, 2019)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      230(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       'ω scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.1815738
_diffrn_orient_matrix_UB_12      -0.0492899
_diffrn_orient_matrix_UB_13      0.035555
_diffrn_orient_matrix_UB_21      0.1269789
_diffrn_orient_matrix_UB_22      0.0760229
_diffrn_orient_matrix_UB_23      0.1442877
_diffrn_orient_matrix_UB_31      -0.0069873
_diffrn_orient_matrix_UB_32      0.1506386
_diffrn_orient_matrix_UB_33      -0.0267159
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0264
_diffrn_reflns_av_unetI/netI     0.0392
_diffrn_reflns_Laue_measured_fraction_full 1
_diffrn_reflns_Laue_measured_fraction_max 0.971
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            14756
_diffrn_reflns_point_group_measured_fraction_full 1
_diffrn_reflns_point_group_measured_fraction_max 0.971
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         77.376
_diffrn_reflns_theta_min         4.333
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.692
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.92785
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        CrysAlisPro 1.171.40.65a (Rigaku Oxford Diffraction, 2019)
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_description       irregular
_exptl_crystal_F_000             305
_exptl_crystal_size_max          0.209
_exptl_crystal_size_mid          0.094
_exptl_crystal_size_min          0.082
_refine_diff_density_max         0.153
_refine_diff_density_min         -0.13
_refine_diff_density_rms         0.029
_refine_ls_extinction_coef       0.0036(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         3088
_refine_ls_number_restraints     438
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0366
_refine_ls_R_factor_gt           0.0336
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0490P)²+0.0627P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0937
_refine_ls_wR_factor_ref         0.0959
_reflns_Friedel_coverage         0
_reflns_number_gt                2778
_reflns_number_total             3088
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            d0sc02795b3.cif
_cod_data_source_block           BE25_BA75_230
_cod_original_formula_sum        'C18 H14.60 N2 O2'
_cod_database_code               1558200
_shelx_estimated_absorpt_t_min   0.869
_shelx_estimated_absorpt_t_max   0.945
_shelx_shelxl_version_number     2018/3
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -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_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
_atom_site_refinement_flags_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
O1 O 0.16768(10) 0.14685(8) 0.30450(7) 0.0492(2) Uani 1 1 d . . . . .
H1 H 0.200832 0.172565 0.384905 0.074 Uiso 1 1 calc R U . . .
O2 O 0.81816(11) 0.21569(10) 0.43316(7) 0.0566(2) Uani 1 1 d . . . . .
H2A H 0.823178 0.251167 0.505085 0.085 Uiso 1 1 calc R U . . .
N1 N 0.26264(13) 0.24228(11) -0.43244(8) 0.0503(2) Uani 1 1 d . . . . .
C1 C 0.31783(14) 0.14680(10) 0.27605(9) 0.0405(2) Uani 1 1 d . . . . .
C2 C 0.49251(14) 0.18009(10) 0.37364(9) 0.0408(2) Uani 1 1 d . . . . .
H2 H 0.508586 0.202583 0.462122 0.049 Uiso 1 1 calc R U . . .
C3 C 0.64402(15) 0.18030(11) 0.34098(9) 0.0437(2) Uani 1 1 d . . . . .
C4 C 0.61903(17) 0.14336(12) 0.21024(10) 0.0516(3) Uani 1 1 d . . . . .
H4 H 0.719508 0.140943 0.187396 0.062 Uiso 1 1 calc R U . . .
C5 C 0.44425(18) 0.11032(13) 0.11467(10) 0.0551(3) Uani 1 1 d . . . . .
H5 H 0.427317 0.086071 0.026234 0.066 Uiso 1 1 calc R U . . .
C6 C 0.29309(16) 0.11188(12) 0.14531(10) 0.0501(3) Uani 1 1 d . . . . .
H6 H 0.175494 0.089633 0.078621 0.06 Uiso 1 1 calc R U . . .
C7 C 0.19750(15) 0.14709(12) -0.35635(10) 0.0490(2) Uani 1 1 d . . . . .
H7 H 0.15385 0.04225 -0.384473 0.059 Uiso 1 1 calc R U . . .
C8 C 0.19091(15) 0.19453(11) -0.23867(10) 0.0465(2) Uani 1 1 d . . . . .
H8 H 0.142596 0.123151 -0.188606 0.056 Uiso 1 1 calc R U . . .
C9 C 0.25651(13) 0.34916(11) -0.19478(9) 0.0424(2) Uani 1 1 d D . . . .
C10 C 0.32965(15) 0.44939(12) -0.27178(11) 0.0489(2) Uani 1 1 d . . . . .
H10 H 0.379246 0.555195 -0.244496 0.059 Uiso 1 1 calc R U . . .
C11 C 0.32820(16) 0.39104(13) -0.38868(11) 0.0523(3) Uani 1 1 d . . . . .
H11 H 0.376054 0.459722 -0.440741 0.063 Uiso 1 1 calc R U . . .
C12 C 0.221(2) 0.3821(11) -0.0670(12) 0.0361(15) Uani 0.300(10) 1 d D U P A 1
H12 H 0.164471 0.299013 -0.029121 0.043 Uiso 0.300(10) 1 calc R U P A 1
C13 C 0.2635(8) 0.5154(9) -0.0110(6) 0.0380(11) Uani 0.300(10) 1 d D U P A 1
H13 H 0.324217 0.596108 -0.049545 0.046 Uiso 0.300(10) 1 calc R U P A 1
C14A C 0.2288(19) 0.5612(12) 0.1111(10) 0.0379(18) Uani 0.300(10) 1 d DG U P A
1
C15A C 0.148(2) 0.4499(10) 0.1779(11) 0.044(2) Uani 0.300(10) 1 d G U P A 1
H15A H 0.116874 0.347675 0.149001 0.053 Uiso 0.300(10) 1 calc R U P A 1
C16A C 0.1141(19) 0.4896(13) 0.2876(11) 0.043(2) Uani 0.300(10) 1 d G U P A 1
H16A H 0.059648 0.414308 0.332771 0.052 Uiso 0.300(10) 1 calc R U P A 1
N2A N 0.161(2) 0.6407(14) 0.3303(11) 0.0394(18) Uani 0.300(10) 1 d G U P A 1
C17A C 0.241(2) 0.7521(11) 0.2635(13) 0.043(2) Uani 0.300(10) 1 d G U P A 1
H17A H 0.272418 0.854243 0.292382 0.052 Uiso 0.300(10) 1 calc R U P A 1
C18A C 0.275(2) 0.7123(11) 0.1538(12) 0.0408(18) Uani 0.300(10) 1 d G U P A 1
H18A H 0.329646 0.787613 0.108611 0.049 Uiso 0.300(10) 1 calc R U P A 1
C14B C 0.2150(9) 0.5278(6) 0.1220(5) 0.0408(8) Uani 0.700(10) 1 d D U P A 2
C15B C 0.1267(9) 0.4421(5) 0.2017(5) 0.0450(8) Uani 0.700(10) 1 d . U P A 2
H15B H 0.077852 0.335367 0.185727 0.054 Uiso 0.700(10) 1 calc R U P A 2
C16B C 0.1118(9) 0.5162(6) 0.3044(5) 0.0441(9) Uani 0.700(10) 1 d . U P A 2
H16B H 0.05034 0.456007 0.356314 0.053 Uiso 0.700(10) 1 calc R U P A 2
N2B N 0.1776(9) 0.6654(6) 0.3352(5) 0.0460(9) Uani 0.700(10) 1 d . U P A 2
C17B C 0.2615(9) 0.7447(5) 0.2591(6) 0.0472(9) Uani 0.700(10) 1 d . U P A 2
H17B H 0.310888 0.851381 0.279043 0.057 Uiso 0.700(10) 1 calc R U P A 2
C18B C 0.2827(8) 0.6844(6) 0.1531(5) 0.0437(9) Uani 0.700(10) 1 d . U P A 2
H18B H 0.34219 0.748277 0.102316 0.052 Uiso 0.700(10) 1 calc R U P A 2
C19 C 0.2519(9) 0.4127(7) -0.0799(6) 0.0462(9) Uani 0.700(10) 1 d D U P A 2
C20 C 0.2340(4) 0.4618(5) 0.0146(3) 0.0464(6) Uani 0.700(10) 1 d D U P A 2
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0181 0.0091 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0 0 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0311 0.018 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0492 0.0322 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_exptl_crystal_face_index_h
_exptl_crystal_face_index_k
_exptl_crystal_face_index_l
_exptl_crystal_face_perp_dist
-2 6 -1 0.0431
5 -4 -4 0.0754
5 0 0 0.0393
1 -5 5 0.0478
0 -3 -5 0.0753
0 3 -6 0.0824
-5 0 0 0.0431
2 -6 2 0.0449
2 4 -1 0.0344
-3 -3 5 0.0681
5 -4 1 0.0424
3 -4 4 0.0384
3 0 4 0.0674
-3 -1 -4 0.0729
-1 1 7 0.0918
-1 -2 7 0.0812
3 -4 -5 0.0856
0 5 -4 0.0552
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
C1 O1 H1 109.5 . . ?
C3 O2 H2A 109.5 . . ?
C7 N1 C11 117.12(9) . . ?
O1 C1 C2 121.78(8) . . ?
O1 C1 C6 118.28(9) . . ?
C2 C1 C6 119.94(9) . . ?
C1 C2 C3 120.29(9) . . ?
C1 C2 H2 119.9 . . ?
C3 C2 H2 119.9 . . ?
O2 C3 C4 117.96(9) . . ?
O2 C3 C2 122.08(9) . . ?
C4 C3 C2 119.95(10) . . ?
C5 C4 C3 118.89(10) . . ?
C5 C4 H4 120.6 . . ?
C3 C4 H4 120.6 . . ?
C4 C5 C6 121.89(9) . . ?
C4 C5 H5 119.1 . . ?
C6 C5 H5 119.1 . . ?
C5 C6 C1 119.02(10) . . ?
C5 C6 H6 120.5 . . ?
C1 C6 H6 120.5 . . ?
N1 C7 C8 123.33(9) . . ?
N1 C7 H7 118.3 . . ?
C8 C7 H7 118.3 . . ?
C7 C8 C9 119.21(9) . . ?
C7 C8 H8 120.4 . . ?
C9 C8 H8 120.4 . . ?
C10 C9 C8 117.76(9) . . ?
C10 C9 C19 116.9(3) . . ?
C8 C9 C19 125.3(2) . . ?
C10 C9 C12 129.4(4) . . ?
C8 C9 C12 112.7(3) . . ?
C11 C10 C9 118.81(10) . . ?
C11 C10 H10 120.6 . . ?
C9 C10 H10 120.6 . . ?
N1 C11 C10 123.74(10) . . ?
N1 C11 H11 118.1 . . ?
C10 C11 H11 118.1 . . ?
C13 C12 C9 123.8(9) . . ?
C13 C12 H12 118.1 . . ?
C9 C12 H12 118.1 . . ?
C12 C13 C14A 128.6(9) . . ?
C12 C13 H13 115.7 . . ?
C14A C13 H13 115.7 . . ?
C15A C14A C18A 120 . . ?
C15A C14A C13 119.5(6) . . ?
C18A C14A C13 120.5(6) . . ?
C16A C15A C14A 120 . . ?
C16A C15A H15A 120 . . ?
C14A C15A H15A 120 . . ?
N2A C16A C15A 120 . . ?
N2A C16A H16A 120 . . ?
C15A C16A H16A 120 . . ?
C17A N2A C16A 120 . . ?
N2A C17A C18A 120 . . ?
N2A C17A H17A 120 . . ?
C18A C17A H17A 120 . . ?
C17A C18A C14A 120 . . ?
C17A C18A H18A 120 . . ?
C14A C18A H18A 120 . . ?
C18B C14B C15B 116.4(2) . . ?
C18B C14B C20 120.8(3) . . ?
C15B C14B C20 122.8(3) . . ?
C16B C15B C14B 119.0(2) . . ?
C16B C15B H15B 120.5 . . ?
C14B C15B H15B 120.5 . . ?
N2B C16B C15B 124.8(2) . . ?
N2B C16B H16B 117.6 . . ?
C15B C16B H16B 117.6 . . ?
C17B N2B C16B 115.3(2) . . ?
N2B C17B C18B 125.3(2) . . ?
N2B C17B H17B 117.4 . . ?
C18B C17B H17B 117.4 . . ?
C17B C18B C14B 119.10(19) . . ?
C17B C18B H18B 120.5 . . ?
C14B C18B H18B 120.5 . . ?
C20 C19 C9 175.3(6) . . ?
C19 C20 C14B 176.4(6) . . ?
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
O1 C1 1.3591(12) . ?
O1 H1 0.83 . ?
O2 C3 1.3559(12) . ?
O2 H2A 0.83 . ?
N1 C7 1.3331(14) . ?
N1 C11 1.3363(14) . ?
C1 C2 1.3886(14) . ?
C1 C6 1.3890(13) . ?
C2 C3 1.3931(14) . ?
C2 H2 0.94 . ?
C3 C4 1.3914(14) . ?
C4 C5 1.3802(17) . ?
C4 H4 0.94 . ?
C5 C6 1.3850(16) . ?
C5 H5 0.94 . ?
C6 H6 0.94 . ?
C7 C8 1.3767(14) . ?
C7 H7 0.94 . ?
C8 C9 1.3893(14) . ?
C8 H8 0.94 . ?
C9 C10 1.3889(15) . ?
C9 C19 1.399(5) . ?
C9 C12 1.563(11) . ?
C10 C11 1.3755(15) . ?
C10 H10 0.94 . ?
C11 H11 0.94 . ?
C12 C13 1.279(12) . ?
C12 H12 0.94 . ?
C13 C14A 1.537(9) . ?
C13 H13 0.94 . ?
C14A C15A 1.39 . ?
C14A C18A 1.39 . ?
C15A C16A 1.39 . ?
C15A H15A 0.94 . ?
C16A N2A 1.39 . ?
C16A H16A 0.94 . ?
N2A C17A 1.39 . ?
C17A C18A 1.39 . ?
C17A H17A 0.94 . ?
C18A H18A 0.94 . ?
C14B C18B 1.386(4) . ?
C14B C15B 1.392(4) . ?
C14B C20 1.401(4) . ?
C15B C16B 1.378(4) . ?
C15B H15B 0.94 . ?
C16B N2B 1.321(4) . ?
C16B H16B 0.94 . ?
N2B C17B 1.318(3) . ?
C17B C18B 1.372(3) . ?
C17B H17B 0.94 . ?
C18B H18B 0.94 . ?
C19 C20 1.199(6) . ?
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
_geom_hbond_publ_flag
O1 H1 N1 0.83 1.92 2.7498(11) 174.5 1_556 yes
O2 H2A N2A^a 0.83 1.99 2.82(6) 173.1 2_666 yes
O2 H2A N2B^b 0.83 1.9 2.733(4) 176.7 2_666 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
_geom_torsion_site_symmetry_1
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
_geom_torsion_publ_flag
O1 C1 C2 C3 -179.45(8) . . . . ?
C6 C1 C2 C3 0.71(14) . . . . ?
C1 C2 C3 O2 178.42(8) . . . . ?
C1 C2 C3 C4 -1.58(14) . . . . ?
O2 C3 C4 C5 -178.56(10) . . . . ?
C2 C3 C4 C5 1.45(15) . . . . ?
C3 C4 C5 C6 -0.47(17) . . . . ?
C4 C5 C6 C1 -0.40(16) . . . . ?
O1 C1 C6 C5 -179.57(9) . . . . ?
C2 C1 C6 C5 0.27(14) . . . . ?
C11 N1 C7 C8 1.60(16) . . . . ?
N1 C7 C8 C9 -0.62(16) . . . . ?
C7 C8 C9 C10 -1.20(15) . . . . ?
C7 C8 C9 C19 177.6(3) . . . . ?
C7 C8 C9 C12 174.4(6) . . . . ?
C8 C9 C10 C11 1.98(15) . . . . ?
C19 C9 C10 C11 -176.9(3) . . . . ?
C12 C9 C10 C11 -172.8(7) . . . . ?
C7 N1 C11 C10 -0.75(16) . . . . ?
C9 C10 C11 N1 -1.04(17) . . . . ?
C10 C9 C12 C13 -2.7(17) . . . . ?
C8 C9 C12 C13 -177.7(10) . . . . ?
C9 C12 C13 C14A 177.5(9) . . . . ?
C12 C13 C14A C15A 3.1(14) . . . . ?
C12 C13 C14A C18A -176.2(11) . . . . ?
C18A C14A C15A C16A 0 . . . . ?
C13 C14A C15A C16A -179.3(11) . . . . ?
C14A C15A C16A N2A 0 . . . . ?
C15A C16A N2A C17A 0 . . . . ?
C16A N2A C17A C18A 0 . . . . ?
N2A C17A C18A C14A 0 . . . . ?
C15A C14A C18A C17A 0 . . . . ?
C13 C14A C18A C17A 179.3(11) . . . . ?
C18B C14B C15B C16B 0.0(3) . . . . ?
C20 C14B C15B C16B -179.2(5) . . . . ?
C14B C15B C16B N2B -0.7(3) . . . . ?
C15B C16B N2B C17B 0.4(3) . . . . ?
C16B N2B C17B C18B 0.5(3) . . . . ?
N2B C17B C18B C14B -1.2(4) . . . . ?
C15B C14B C18B C17B 0.8(3) . . . . ?
C20 C14B C18B C17B -180.0(5) . . . . ?
