#------------------------------------------------------------------------------
#$Date: 2020-11-06 13:13:51 +0100 (vie 06 de nov de 2020) $
#$Revision: 258836 $
#$URL: svn://www.crystallography.net/cod/cif/7/70/55/7705553.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_7705553
loop_
_publ_author_name
'Rösch, Andreas'
'Herzog, Christoph M.'
'Schreiner, Simon H. F.'
'Görls, Helmar'
'Kretschmer, Robert'
_publ_section_title
;
 Ditopic bis(N,N',N'-substituted 1,2-ethanediamine)
 ligands: synthesis and coordination chemistry.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13818
_journal_page_last               13828
_journal_paper_doi               10.1039/d0dt03124k
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C24 H37 Al N4'
_chemical_formula_sum            'C24 H37 Al N4'
_chemical_formula_weight         408.55
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-08-31 deposited with the CCDC.	2020-09-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.626(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.7448(2)
_cell_length_b                   13.2241(2)
_cell_length_c                   18.4085(3)
_cell_measurement_reflns_used    20227
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      74.273
_cell_measurement_theta_min      4.157
_cell_volume                     2305.47(7)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Xcalibur, AtlasS2, Gemini ultra'
_diffrn_measurement_method       'ω scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0252
_diffrn_reflns_av_unetI/netI     0.0198
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20227
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         74.273
_diffrn_reflns_theta_min         4.157
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.884
_exptl_absorpt_correction_T_max  0.970
_exptl_absorpt_correction_T_min  0.932
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
; 
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015) 
Numerical absorption correction based on gaussian integration over 
   a multifaceted crystal model 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.112
_exptl_crystal_size_mid          0.108
_exptl_crystal_size_min          0.102
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         4615
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0368
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0429P)²+0.9212P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0903
_refine_ls_wR_factor_ref         0.0956
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3971
_reflns_number_total             4615
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            d0dt03124k2.cif
_cod_data_source_block           FO7261_2bAlH
_cod_depositor_comments
'Adding full bibliography for 7705549--7705563.cif.'
_cod_original_cell_volume        2305.46(7)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7705553
_shelx_shelxl_version_number     2018/3
_shelx_space_group_comment
; 
The symmetry employed for this shelxl refinement is uniquely defined 
by the following loop, which should always be used as a source of 
symmetry information in preference to the above space-group names. 
They are only intended as comments. 
;
_shelx_estimated_absorpt_t_min   0.907
_shelx_estimated_absorpt_t_max   0.915
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, -y-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_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
Al1 Al 0.71063(4) 0.76827(3) 0.27652(2) 0.01908(11) Uani 1 1 d . . . . .
N1 N 0.52619(12) 0.73033(9) 0.28218(6) 0.0226(2) Uani 1 1 d . . . . .
N2 N 0.66168(12) 0.68484(8) 0.17819(6) 0.0217(2) Uani 1 1 d . . . . .
N3 N 0.92810(12) 0.75738(9) 0.24287(6) 0.0234(2) Uani 1 1 d . . . . .
N4 N 0.82712(12) 0.72644(9) 0.36606(6) 0.0223(2) Uani 1 1 d . . . . .
C1 C 0.44811(14) 0.76058(11) 0.33435(7) 0.0249(3) Uani 1 1 d . . . . .
C2 C 0.39929(15) 0.86043(13) 0.33485(9) 0.0325(3) Uani 1 1 d . . . . .
C3 C 0.33470(17) 0.89073(15) 0.39170(11) 0.0468(5) Uani 1 1 d . . . . .
H3 H 0.304186 0.958761 0.393229 0.056 Uiso 1 1 calc R U . . .
C4 C 0.31467(19) 0.82331(18) 0.44556(10) 0.0521(5) Uani 1 1 d . . . . .
H4 H 0.273834 0.845604 0.484797 0.063 Uiso 1 1 calc R U . . .
C5 C 0.35381(17) 0.72419(17) 0.44230(9) 0.0441(5) Uani 1 1 d . . . . .
H5 H 0.335939 0.677595 0.478257 0.053 Uiso 1 1 calc R U . . .
C6 C 0.41910(15) 0.69069(13) 0.38737(8) 0.0321(3) Uani 1 1 d . . . . .
C7 C 0.41200(17) 0.93347(12) 0.27412(10) 0.0390(4) Uani 1 1 d . . . . .
H7A H 0.351737 0.992365 0.275700 0.058 Uiso 1 1 calc R U . . .
H7B H 0.382145 0.900185 0.225383 0.058 Uiso 1 1 calc R U . . .
H7C H 0.510416 0.955434 0.281723 0.058 Uiso 1 1 calc R U . . .
C8 C 0.45906(17) 0.58137(13) 0.38586(9) 0.0373(4) Uani 1 1 d . . . . .
H8A H 0.481792 0.554463 0.436902 0.056 Uiso 1 1 calc R U . . .
H8B H 0.541605 0.574881 0.364389 0.056 Uiso 1 1 calc R U . . .
H8C H 0.379911 0.543293 0.355305 0.056 Uiso 1 1 calc R U . . .
C9 C 0.44828(15) 0.66268(11) 0.22415(7) 0.0271(3) Uani 1 1 d . . . . .
H9A H 0.380722 0.701771 0.185796 0.033 Uiso 1 1 calc R U . . .
H9AB H 0.394710 0.612340 0.246190 0.033 Uiso 1 1 calc R U . . .
C10 C 0.55498(16) 0.60995(11) 0.18922(8) 0.0285(3) Uani 1 1 d . . . . .
H10A H 0.601718 0.554765 0.222306 0.034 Uiso 1 1 calc R U . . .
H10B H 0.506781 0.580111 0.140575 0.034 Uiso 1 1 calc R U . . .
C11 C 0.59775(17) 0.75406(12) 0.11553(8) 0.0298(3) Uani 1 1 d . . . . .
H11A H 0.569235 0.715135 0.069112 0.045 Uiso 1 1 calc R U . . .
H11B H 0.667139 0.805352 0.109965 0.045 Uiso 1 1 calc R U . . .
H11C H 0.514807 0.787249 0.126276 0.045 Uiso 1 1 calc R U . . .
C12 C 0.78574(16) 0.63220(11) 0.16235(8) 0.0273(3) Uani 1 1 d . . . . .
H12A H 0.761228 0.604625 0.110907 0.033 Uiso 1 1 calc R U . . .
H12B H 0.813224 0.575090 0.197540 0.033 Uiso 1 1 calc R U . . .
C13 C 0.90797(15) 0.70528(11) 0.17050(7) 0.0260(3) Uani 1 1 d . . . . .
H13A H 0.994955 0.668112 0.168052 0.031 Uiso 1 1 calc R U . . .
H13B H 0.887798 0.755265 0.129316 0.031 Uiso 1 1 calc R U . . .
C14 C 0.99338(16) 0.85687(12) 0.23977(9) 0.0313(3) Uani 1 1 d . . . . .
H14A H 1.004721 0.890894 0.288116 0.047 Uiso 1 1 calc R U . . .
H14B H 0.932921 0.897869 0.200625 0.047 Uiso 1 1 calc R U . . .
H14C H 1.086089 0.848238 0.228505 0.047 Uiso 1 1 calc R U . . .
C15 C 1.01576(16) 0.69671(13) 0.30416(8) 0.0299(3) Uani 1 1 d . . . . .
H15A H 1.117161 0.708589 0.306902 0.036 Uiso 1 1 calc R U . . .
H15B H 0.995923 0.623813 0.294936 0.036 Uiso 1 1 calc R U . . .
C16 C 0.98059(15) 0.72806(13) 0.37673(8) 0.0300(3) Uani 1 1 d . . . . .
H16A H 1.024861 0.680819 0.417210 0.036 Uiso 1 1 calc R U . . .
H16B H 1.017197 0.796886 0.390930 0.036 Uiso 1 1 calc R U . . .
C17 C 0.78800(13) 0.71042(10) 0.43481(7) 0.0207(3) Uani 1 1 d . . . . .
C18 C 0.74498(14) 0.79162(11) 0.47366(7) 0.0228(3) Uani 1 1 d . . . . .
C19 C 0.70362(15) 0.77292(12) 0.53994(7) 0.0272(3) Uani 1 1 d . . . . .
H19 H 0.671105 0.827300 0.565163 0.033 Uiso 1 1 calc R U . . .
C20 C 0.70916(16) 0.67676(12) 0.56949(8) 0.0302(3) Uani 1 1 d . . . . .
H20 H 0.679951 0.664986 0.614485 0.036 Uiso 1 1 calc R U . . .
C21 C 0.75739(15) 0.59772(12) 0.53327(8) 0.0286(3) Uani 1 1 d . . . . .
H21 H 0.764488 0.532019 0.554703 0.034 Uiso 1 1 calc R U . . .
C22 C 0.79590(14) 0.61273(11) 0.46570(7) 0.0241(3) Uani 1 1 d . . . . .
C23 C 0.74559(16) 0.89850(11) 0.44550(8) 0.0298(3) Uani 1 1 d . . . . .
H23A H 0.734381 0.945668 0.484755 0.045 Uiso 1 1 calc R U . . .
H23B H 0.667483 0.907482 0.401442 0.045 Uiso 1 1 calc R U . . .
H23C H 0.835316 0.911906 0.431975 0.045 Uiso 1 1 calc R U . . .
C24 C 0.83857(17) 0.52348(12) 0.42525(8) 0.0336(3) Uani 1 1 d . . . . .
H24A H 0.811838 0.460769 0.446718 0.050 Uiso 1 1 calc R U . . .
H24B H 0.941013 0.524537 0.430536 0.050 Uiso 1 1 calc R U . . .
H24C H 0.790649 0.527044 0.372158 0.050 Uiso 1 1 calc R U . . .
H1 H 0.7135(17) 0.8794(13) 0.2554(9) 0.033(4) Uiso 1 1 d . . . . .
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 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Al Al 0.2130 0.2455 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0311 0.0180 '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
N4 Al1 N1 105.24(5) . . ?
N4 Al1 N2 125.71(5) . . ?
N1 Al1 N2 83.17(5) . . ?
N4 Al1 N3 79.31(5) . . ?
N1 Al1 N3 157.84(5) . . ?
N2 Al1 N3 76.92(4) . . ?
N4 Al1 H1 118.1(6) . . ?
N1 Al1 H1 110.2(6) . . ?
N2 Al1 H1 107.7(6) . . ?
N3 Al1 H1 85.4(6) . . ?
C1 N1 C9 113.52(11) . . ?
C1 N1 Al1 129.15(9) . . ?
C9 N1 Al1 117.30(9) . . ?
C12 N2 C10 110.11(11) . . ?
C12 N2 C11 110.37(11) . . ?
C10 N2 C11 109.72(11) . . ?
C12 N2 Al1 112.98(8) . . ?
C10 N2 Al1 105.04(8) . . ?
C11 N2 Al1 108.47(8) . . ?
C14 N3 C13 110.55(11) . . ?
C14 N3 C15 109.73(12) . . ?
C13 N3 C15 111.48(11) . . ?
C14 N3 Al1 112.43(9) . . ?
C13 N3 Al1 109.36(8) . . ?
C15 N3 Al1 103.10(8) . . ?
C17 N4 C16 111.29(10) . . ?
C17 N4 Al1 126.90(9) . . ?
C16 N4 Al1 120.56(9) . . ?
C2 C1 N1 120.47(13) . . ?
C2 C1 C6 119.00(14) . . ?
N1 C1 C6 120.53(14) . . ?
C3 C2 C1 119.11(16) . . ?
C3 C2 C7 120.11(16) . . ?
C1 C2 C7 120.76(14) . . ?
C4 C3 C2 121.07(18) . . ?
C4 C3 H3 119.5 . . ?
C2 C3 H3 119.5 . . ?
C5 C4 C3 119.88(16) . . ?
C5 C4 H4 120.1 . . ?
C3 C4 H4 120.1 . . ?
C4 C5 C6 121.15(17) . . ?
C4 C5 H5 119.4 . . ?
C6 C5 H5 119.4 . . ?
C5 C6 C1 119.50(17) . . ?
C5 C6 C8 119.14(15) . . ?
C1 C6 C8 121.35(14) . . ?
C2 C7 H7A 109.5 . . ?
C2 C7 H7B 109.5 . . ?
H7A C7 H7B 109.5 . . ?
C2 C7 H7C 109.5 . . ?
H7A C7 H7C 109.5 . . ?
H7B C7 H7C 109.5 . . ?
C6 C8 H8A 109.5 . . ?
C6 C8 H8B 109.5 . . ?
H8A C8 H8B 109.5 . . ?
C6 C8 H8C 109.5 . . ?
H8A C8 H8C 109.5 . . ?
H8B C8 H8C 109.5 . . ?
N1 C9 C10 107.55(11) . . ?
N1 C9 H9A 110.2 . . ?
C10 C9 H9A 110.2 . . ?
N1 C9 H9AB 110.2 . . ?
C10 C9 H9AB 110.2 . . ?
H9A C9 H9AB 108.5 . . ?
N2 C10 C9 108.90(11) . . ?
N2 C10 H10A 109.9 . . ?
C9 C10 H10A 109.9 . . ?
N2 C10 H10B 109.9 . . ?
C9 C10 H10B 109.9 . . ?
H10A C10 H10B 108.3 . . ?
N2 C11 H11A 109.5 . . ?
N2 C11 H11B 109.5 . . ?
H11A C11 H11B 109.5 . . ?
N2 C11 H11C 109.5 . . ?
H11A C11 H11C 109.5 . . ?
H11B C11 H11C 109.5 . . ?
N2 C12 C13 109.87(11) . . ?
N2 C12 H12A 109.7 . . ?
C13 C12 H12A 109.7 . . ?
N2 C12 H12B 109.7 . . ?
C13 C12 H12B 109.7 . . ?
H12A C12 H12B 108.2 . . ?
N3 C13 C12 108.83(11) . . ?
N3 C13 H13A 109.9 . . ?
C12 C13 H13A 109.9 . . ?
N3 C13 H13B 109.9 . . ?
C12 C13 H13B 109.9 . . ?
H13A C13 H13B 108.3 . . ?
N3 C14 H14A 109.5 . . ?
N3 C14 H14B 109.5 . . ?
H14A C14 H14B 109.5 . . ?
N3 C14 H14C 109.5 . . ?
H14A C14 H14C 109.5 . . ?
H14B C14 H14C 109.5 . . ?
N3 C15 C16 108.32(12) . . ?
N3 C15 H15A 110.0 . . ?
C16 C15 H15A 110.0 . . ?
N3 C15 H15B 110.0 . . ?
C16 C15 H15B 110.0 . . ?
H15A C15 H15B 108.4 . . ?
N4 C16 C15 108.34(11) . . ?
N4 C16 H16A 110.0 . . ?
C15 C16 H16A 110.0 . . ?
N4 C16 H16B 110.0 . . ?
C15 C16 H16B 110.0 . . ?
H16A C16 H16B 108.4 . . ?
C22 C17 C18 119.32(12) . . ?
C22 C17 N4 119.77(12) . . ?
C18 C17 N4 120.88(12) . . ?
C19 C18 C17 119.43(13) . . ?
C19 C18 C23 119.55(13) . . ?
C17 C18 C23 121.01(12) . . ?
C20 C19 C18 121.08(13) . . ?
C20 C19 H19 119.5 . . ?
C18 C19 H19 119.5 . . ?
C19 C20 C21 119.59(13) . . ?
C19 C20 H20 120.2 . . ?
C21 C20 H20 120.2 . . ?
C20 C21 C22 121.09(14) . . ?
C20 C21 H21 119.5 . . ?
C22 C21 H21 119.5 . . ?
C21 C22 C17 119.38(13) . . ?
C21 C22 C24 119.54(13) . . ?
C17 C22 C24 121.02(12) . . ?
C18 C23 H23A 109.5 . . ?
C18 C23 H23B 109.5 . . ?
H23A C23 H23B 109.5 . . ?
C18 C23 H23C 109.5 . . ?
H23A C23 H23C 109.5 . . ?
H23B C23 H23C 109.5 . . ?
C22 C24 H24A 109.5 . . ?
C22 C24 H24B 109.5 . . ?
H24A C24 H24B 109.5 . . ?
C22 C24 H24C 109.5 . . ?
H24A C24 H24C 109.5 . . ?
H24B C24 H24C 109.5 . . ?
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
Al1 N4 1.8519(11) . ?
Al1 N1 1.8924(12) . ?
Al1 N2 2.0773(11) . ?
Al1 N3 2.3482(12) . ?
Al1 H1 1.522(17) . ?
N1 C1 1.4162(17) . ?
N1 C9 1.4614(17) . ?
N2 C12 1.4823(18) . ?
N2 C10 1.4842(18) . ?
N2 C11 1.4893(17) . ?
N3 C14 1.4683(19) . ?
N3 C13 1.4713(17) . ?
N3 C15 1.4807(18) . ?
N4 C17 1.4210(16) . ?
N4 C16 1.4620(18) . ?
C1 C2 1.404(2) . ?
C1 C6 1.420(2) . ?
C2 C3 1.401(2) . ?
C2 C7 1.504(2) . ?
C3 C4 1.381(3) . ?
C3 H3 0.9500 . ?
C4 C5 1.370(3) . ?
C4 H4 0.9500 . ?
C5 C6 1.388(2) . ?
C5 H5 0.9500 . ?
C6 C8 1.499(2) . ?
C7 H7A 0.9800 . ?
C7 H7B 0.9800 . ?
C7 H7C 0.9800 . ?
C8 H8A 0.9800 . ?
C8 H8B 0.9800 . ?
C8 H8C 0.9800 . ?
C9 C10 1.515(2) . ?
C9 H9A 0.9900 . ?
C9 H9AB 0.9900 . ?
C10 H10A 0.9900 . ?
C10 H10B 0.9900 . ?
C11 H11A 0.9800 . ?
C11 H11B 0.9800 . ?
C11 H11C 0.9800 . ?
C12 C13 1.514(2) . ?
C12 H12A 0.9900 . ?
C12 H12B 0.9900 . ?
C13 H13A 0.9900 . ?
C13 H13B 0.9900 . ?
C14 H14A 0.9800 . ?
C14 H14B 0.9800 . ?
C14 H14C 0.9800 . ?
C15 C16 1.5131(19) . ?
C15 H15A 0.9900 . ?
C15 H15B 0.9900 . ?
C16 H16A 0.9900 . ?
C16 H16B 0.9900 . ?
C17 C22 1.4062(19) . ?
C17 C18 1.4077(19) . ?
C18 C19 1.3943(19) . ?
C18 C23 1.506(2) . ?
C19 C20 1.379(2) . ?
C19 H19 0.9500 . ?
C20 C21 1.380(2) . ?
C20 H20 0.9500 . ?
C21 C22 1.3955(19) . ?
C21 H21 0.9500 . ?
C22 C24 1.505(2) . ?
C23 H23A 0.9800 . ?
C23 H23B 0.9800 . ?
C23 H23C 0.9800 . ?
C24 H24A 0.9800 . ?
C24 H24B 0.9800 . ?
C24 H24C 0.9800 . ?
