PDB Chemical Component PE4

The following tables include covalent bond distance, bond angle and torsion angle values for the experimental model and ideal geometries stored in the definition for this chemical component.

Bond Distances for PE4

Atom I Atom J Distance (Experimental Model) Distance (Ideal Model)
O1 C1 1.434 1.428
O1 HO1 0.951 0.967
C1 C2 1.516 1.530
C1 H11 1.115 1.090
C1 H12 1.116 1.090
C2 O2 1.417 1.429
C2 H21 1.114 1.089
C2 H22 1.115 1.090
O2 C3 1.420 1.430
C3 C4 1.509 1.530
C3 H31 1.115 1.090
C3 H32 1.115 1.090
C4 O3 1.408 1.429
C4 H41 1.115 1.090
C4 H42 1.115 1.089
O3 C5 1.426 1.429
C5 C6 1.510 1.530
C5 H51 1.115 1.090
C5 H52 1.114 1.090
C6 O4 1.418 1.429
C6 H61 1.115 1.089
C6 H62 1.115 1.090
O4 C7 1.421 1.430
C7 C8 1.535 1.530
C7 H71 1.114 1.090
C7 H72 1.116 1.090
C8 O5 1.430 1.428
C8 H81 1.114 1.090
C8 H82 1.115 1.089
O5 C9 1.374 1.429
C9 C10 1.491 1.530
C9 H91 1.114 1.090
C9 H92 1.115 1.090
C10 O6 1.365 1.429
C10 H101 1.114 1.089
C10 H102 1.115 1.090
O6 C11 1.409 1.429
C11 C12 1.475 1.530
C11 H111 1.115 1.090
C11 H112 1.115 1.090
C12 O7 1.407 1.429
C12 H121 1.114 1.090
C12 H122 1.115 1.090
O7 C13 1.421 1.429
C13 C14 1.515 1.531
C13 H131 1.115 1.089
C13 H132 1.116 1.089
C14 O8 1.419 1.429
C14 H141 1.115 1.089
C14 H142 1.114 1.090
O8 C15 1.420 1.429
C15 C16 1.510 1.529
C15 H151 1.114 1.090
C15 H152 1.115 1.091
C16 H161 1.114 1.090
C16 H162 1.116 1.090
C16 H163 1.115 1.090

Bond Angles for PE4

Atom I Atom J Atom K Angle (Experimental Model) Angle (Ideal Model)
C1 O1 HO1 109.8 106.8
O1 C1 C2 109.8 109.5
O1 C1 H11 112.1 109.5
O1 C1 H12 112.1 109.5
C2 C1 H11 112.2 109.5
C2 C1 H12 112.2 109.5
C1 C2 O2 110.0 109.4
C1 C2 H21 112.0 109.5
C1 C2 H22 112.0 109.5
H11 C1 H12 98.2 109.5
O2 C2 H21 112.1 109.5
O2 C2 H22 112.0 109.4
C2 O2 C3 115.0 106.7
H21 C2 H22 98.4 109.5
O2 C3 C4 113.7 109.5
O2 C3 H31 110.6 109.5
O2 C3 H32 110.6 109.4
C4 C3 H31 110.7 109.5
C4 C3 H32 110.7 109.4
C3 C4 O3 113.2 109.5
C3 C4 H41 110.8 109.4
C3 C4 H42 110.8 109.5
H31 C3 H32 99.6 109.5
O3 C4 H41 110.9 109.4
O3 C4 H42 110.9 109.5
C4 O3 C5 116.2 106.8
H41 C4 H42 99.5 109.5
O3 C5 C6 109.4 109.4
O3 C5 H51 112.2 109.5
O3 C5 H52 112.2 109.5
C6 C5 H51 112.2 109.5
C6 C5 H52 112.2 109.5
C5 C6 O4 113.8 109.4
C5 C6 H61 110.6 109.5
C5 C6 H62 110.6 109.5
H51 C5 H52 98.2 109.4
O4 C6 H61 110.7 109.5
O4 C6 H62 110.7 109.4
C6 O4 C7 116.7 106.8
H61 C6 H62 99.6 109.4
O4 C7 C8 118.5 109.5
O4 C7 H71 109.0 109.4
O4 C7 H72 109.0 109.5
C8 C7 H71 109.0 109.5
C8 C7 H72 108.9 109.5
C7 C8 O5 113.9 109.4
C7 C8 H81 110.6 109.5
C7 C8 H82 110.6 109.5
H71 C7 H72 101.1 109.5
O5 C8 H81 110.6 109.5
O5 C8 H82 110.6 109.5
C8 O5 C9 110.4 106.7
H81 C8 H82 99.8 109.4
O5 C9 C10 107.2 109.5
O5 C9 H91 113.1 109.5
O5 C9 H92 113.1 109.5
C10 C9 H91 113.0 109.4
C10 C9 H92 113.0 109.4
C9 C10 O6 108.0 109.4
C9 C10 H101 112.8 109.5
C9 C10 H102 112.8 109.5
H91 C9 H92 97.5 109.4
O6 C10 H101 112.7 109.5
O6 C10 H102 112.7 109.4
C10 O6 C11 111.1 106.8
H101 C10 H102 97.7 109.4
O6 C11 C12 97.9 109.5
O6 C11 H111 116.7 109.5
O6 C11 H112 116.7 109.5
C12 C11 H111 116.7 109.4
C12 C11 H112 116.7 109.5
C11 C12 O7 107.8 109.5
C11 C12 H121 112.9 109.5
C11 C12 H122 112.8 109.5
H111 C11 H112 93.6 109.4
O7 C12 H121 112.8 109.5
O7 C12 H122 112.8 109.5
C12 O7 C13 111.7 106.8
H121 C12 H122 97.7 109.4
O7 C13 C14 113.2 109.4
O7 C13 H131 110.8 109.4
O7 C13 H132 110.8 109.5
C14 C13 H131 110.8 109.5
C14 C13 H132 110.8 109.5
C13 C14 O8 106.9 109.5
C13 C14 H141 113.1 109.5
C13 C14 H142 113.2 109.4
H131 C13 H132 99.4 109.5
O8 C14 H141 113.2 109.6
O8 C14 H142 113.2 109.5
C14 O8 C15 114.1 106.8
H141 C14 H142 97.4 109.4
O8 C15 C16 108.9 109.5
O8 C15 H151 112.4 109.5
O8 C15 H152 112.4 109.5
C16 C15 H151 112.4 109.5
C16 C15 H152 112.4 109.4
C15 C16 H161 108.9 109.5
C15 C16 H162 112.5 109.4
C15 C16 H163 112.4 109.4
H151 C15 H152 98.0 109.4
H161 C16 H162 112.4 109.5
H161 C16 H163 112.5 109.5
H162 C16 H163 97.9 109.5

Torsion Angles for PE4

Atom I Atom J Atom K Atom L Angle (Experimental Model) Angle (Ideal Model)
C2 C1 O1 H11 234.7 120.0
C2 C1 O1 H12 125.3 240.0
O1 C1 C2 O2 273.7 60.0
O1 C1 C2 H21 39.0 300.0
O1 C1 C2 H22 148.4 180.0
H11 C1 O1 H12 250.7 120.0
HO1 O1 C1 C2 180.0 180.0
HO1 O1 C1 H11 305.3 60.0
HO1 O1 C1 H12 54.7 300.0
C2 C1 O1 HO1 180.0 180.0
O1 C1 C2 H11 125.3 240.0
O1 C1 C2 H12 234.7 120.0
H11 C1 C2 H12 109.4 240.0
O2 C2 C1 H21 234.7 120.0
O2 C2 C1 H22 125.2 240.0
C1 C2 O2 C3 130.8 180.0
H21 C2 C1 H22 250.6 120.0
H11 C1 O1 HO1 305.3 60.0
O1 C1 H11 C2 236.0 120.0
O1 C1 H11 H12 117.9 240.0
C2 C1 H11 H12 241.9 120.0
H11 C1 C2 O2 148.4 180.0
H11 C1 C2 H21 273.7 60.0
H11 C1 C2 H22 23.1 300.0
H12 C1 O1 HO1 54.7 300.0
O1 C1 H12 C2 124.0 240.0
O1 C1 H12 H11 242.1 120.0
C2 C1 H12 H11 118.1 240.0
H12 C1 C2 O2 38.9 300.0
H12 C1 C2 H21 164.3 180.0
H12 C1 C2 H22 273.7 60.0
O2 C2 C1 H11 148.4 180.0
O2 C2 C1 H12 38.9 300.0
C1 C2 O2 H21 125.3 240.0
C1 C2 O2 H22 234.8 120.0
H21 C2 O2 H22 109.5 240.0
C2 O2 C3 C4 80.7 180.0
C2 O2 C3 H31 206.0 60.0
C2 O2 C3 H32 315.4 299.9
H21 C2 C1 H11 273.7 60.0
H21 C2 C1 H12 164.3 180.0
C1 C2 H21 O2 235.8 119.9
C1 C2 H21 H22 117.9 239.9
O2 C2 H21 H22 242.0 120.0
H21 C2 O2 C3 5.5 300.0
H22 C2 C1 H11 23.1 300.0
H22 C2 C1 H12 273.7 60.0
C1 C2 H22 O2 124.1 240.1
C1 C2 H22 H21 242.1 120.0
O2 C2 H22 H21 118.0 240.0
H22 C2 O2 C3 256.0 60.0
C3 O2 C2 H21 5.5 300.0
C3 O2 C2 H22 256.0 60.0
C4 C3 O2 H31 234.7 120.0
C4 C3 O2 H32 125.3 240.1
O2 C3 C4 O3 275.6 60.0
O2 C3 C4 H41 40.8 300.0
O2 C3 C4 H42 150.3 180.0
H31 C3 O2 H32 250.6 120.1
O2 C3 C4 H31 125.3 240.0
O2 C3 C4 H32 234.8 119.9
H31 C3 C4 H32 109.5 240.0
O3 C4 C3 H41 234.8 120.0
O3 C4 C3 H42 125.3 240.0
C3 C4 O3 C5 182.2 180.0
H41 C4 C3 H42 250.5 120.0
O2 C3 H31 C4 233.1 120.0
O2 C3 H31 H32 116.4 240.0
C4 C3 H31 H32 243.4 120.0
H31 C3 C4 O3 150.3 180.0
H31 C3 C4 H41 275.6 60.0
H31 C3 C4 H42 25.0 300.0
O2 C3 H32 C4 126.9 240.1
O2 C3 H32 H31 243.5 120.0
C4 C3 H32 H31 116.6 240.0
H32 C3 C4 O3 40.8 300.0
H32 C3 C4 H41 166.1 180.1
H32 C3 C4 H42 275.5 60.1
O3 C4 C3 H31 150.3 180.0
O3 C4 C3 H32 40.8 300.0
C3 C4 O3 H41 125.2 240.0
C3 C4 O3 H42 234.7 120.1
H41 C4 O3 H42 109.5 240.0
C4 O3 C5 C6 269.7 180.0
C4 O3 C5 H51 34.9 60.0
C4 O3 C5 H52 144.4 300.0
H41 C4 C3 H31 275.6 60.0
H41 C4 C3 H32 166.1 180.1
C3 C4 H41 O3 233.5 120.0
C3 C4 H41 H42 116.7 240.0
O3 C4 H41 H42 243.2 120.0
H41 C4 O3 C5 57.0 300.0
H42 C4 C3 H31 25.0 300.0
H42 C4 C3 H32 275.5 60.1
C3 C4 H42 O3 126.6 240.0
C3 C4 H42 H41 243.3 120.0
O3 C4 H42 H41 116.8 240.0
H42 C4 O3 C5 307.4 60.0
C5 O3 C4 H41 57.0 300.0
C5 O3 C4 H42 307.4 60.0
C6 C5 O3 H51 234.7 120.0
C6 C5 O3 H52 125.2 240.0
O3 C5 C6 O4 153.8 60.0
O3 C5 C6 H61 279.1 300.0
O3 C5 C6 H62 28.5 180.0
H51 C5 O3 H52 250.5 120.0
O3 C5 C6 H51 125.2 240.0
O3 C5 C6 H52 234.8 120.0
H51 C5 C6 H52 109.5 240.1
O4 C6 C5 H61 234.7 120.1
O4 C6 C5 H62 125.3 240.1
C5 C6 O4 C7 184.6 180.0
H61 C6 C5 H62 250.6 120.0
O3 C5 H51 C6 236.3 120.0
O3 C5 H51 H52 118.1 239.9
C6 C5 H51 H52 241.8 120.0
H51 C5 C6 O4 28.6 180.1
H51 C5 C6 H61 153.9 60.0
H51 C5 C6 H62 263.3 300.0
O3 C5 H52 C6 123.7 240.0
O3 C5 H52 H51 241.9 120.1
C6 C5 H52 H51 118.2 240.0
H52 C5 C6 O4 279.1 300.0
H52 C5 C6 H61 44.4 179.9
H52 C5 C6 H62 153.8 60.0
O4 C6 C5 H51 28.6 180.1
O4 C6 C5 H52 279.1 300.0
C5 C6 O4 H61 125.3 240.0
C5 C6 O4 H62 234.7 120.0
H61 C6 O4 H62 109.4 240.0
C6 O4 C7 C8 140.6 180.0
C6 O4 C7 H71 265.9 60.0
C6 O4 C7 H72 15.4 300.0
H61 C6 C5 H51 153.9 60.0
H61 C6 C5 H52 44.4 179.9
C5 C6 H61 O4 233.0 120.0
C5 C6 H61 H62 116.5 240.0
O4 C6 H61 H62 243.5 120.0
H61 C6 O4 C7 59.4 300.0
H62 C6 C5 H51 263.3 300.0
H62 C6 C5 H52 153.8 60.0
C5 C6 H62 O4 127.0 240.1
C5 C6 H62 H61 243.5 120.0
O4 C6 H62 H61 116.5 239.9
H62 C6 O4 C7 309.9 60.0
C7 O4 C6 H61 59.4 300.0
C7 O4 C6 H62 309.9 60.0
C8 C7 O4 H71 234.7 120.0
C8 C7 O4 H72 125.2 240.0
O4 C7 C8 O5 277.7 60.0
O4 C7 C8 H81 42.9 299.9
O4 C7 C8 H82 152.4 180.0
H71 C7 O4 H72 250.5 120.0
O4 C7 C8 H71 125.3 240.0
O4 C7 C8 H72 234.7 120.0
H71 C7 C8 H72 109.4 239.9
O5 C8 C7 H81 234.8 120.0
O5 C8 C7 H82 125.2 239.9
C7 C8 O5 C9 166.6 180.0
H81 C8 C7 H82 250.5 119.9
O4 C7 H71 C8 229.3 120.0
O4 C7 H71 H72 114.7 240.0
C8 C7 H71 H72 245.3 120.0
H71 C7 C8 O5 152.4 179.9
H71 C7 C8 H81 277.6 59.9
H71 C7 C8 H82 27.1 300.0
O4 C7 H72 C8 130.6 240.0
O4 C7 H72 H71 245.3 120.0
C8 C7 H72 H71 114.7 239.9
H72 C7 C8 O5 42.9 300.0
H72 C7 C8 H81 168.2 180.0
H72 C7 C8 H82 277.7 60.1
O5 C8 C7 H71 152.4 179.9
O5 C8 C7 H72 42.9 300.0
C7 C8 O5 H81 125.3 240.0
C7 C8 O5 H82 234.8 120.0
H81 C8 O5 H82 109.5 240.0
C8 O5 C9 C10 164.1 180.0
C8 O5 C9 H91 289.3 60.0
C8 O5 C9 H92 38.9 300.0
H81 C8 C7 H71 277.6 59.9
H81 C8 C7 H72 168.2 180.0
C7 C8 H81 O5 232.9 120.0
C7 C8 H81 H82 116.4 240.1
O5 C8 H81 H82 243.5 120.1
H81 C8 O5 C9 41.3 300.0
H82 C8 C7 H71 27.1 300.0
H82 C8 C7 H72 277.7 60.1
C7 C8 H82 O5 127.1 240.0
C7 C8 H82 H81 243.5 119.9
O5 C8 H82 H81 116.5 239.9
H82 C8 O5 C9 291.8 60.0
C9 O5 C8 H81 41.3 300.0
C9 O5 C8 H82 291.8 60.0
C10 C9 O5 H91 234.8 120.0
C10 C9 O5 H92 125.2 240.0
O5 C9 C10 O6 15.0 60.1
O5 C9 C10 H101 140.3 300.0
O5 C9 C10 H102 249.8 180.0
H91 C9 O5 H92 250.4 120.0
O5 C9 C10 H91 125.3 240.0
O5 C9 C10 H92 234.8 120.1
H91 C9 C10 H92 109.5 240.1
O6 C10 C9 H101 234.7 120.1
O6 C10 C9 H102 125.3 240.1
C9 C10 O6 C11 179.7 180.0
H101 C10 C9 H102 250.5 120.0
O5 C9 H91 C10 238.0 120.0
O5 C9 H91 H92 119.0 239.9
C10 C9 H91 H92 241.0 119.9
H91 C9 C10 O6 249.8 180.1
H91 C9 C10 H101 15.0 60.0
H91 C9 C10 H102 124.5 300.0
O5 C9 H92 C10 122.0 240.0
O5 C9 H92 H91 241.0 120.1
C10 C9 H92 H91 119.0 240.1
H92 C9 C10 O6 140.3 300.0
H92 C9 C10 H101 265.5 179.9
H92 C9 C10 H102 15.0 59.9
O6 C10 C9 H91 249.8 180.1
O6 C10 C9 H92 140.3 300.0
C9 C10 O6 H101 125.3 240.0
C9 C10 O6 H102 234.7 120.0
H101 C10 O6 H102 109.4 240.0
C10 O6 C11 C12 244.3 179.9
C10 O6 C11 H111 9.6 60.0
C10 O6 C11 H112 119.1 300.0
H101 C10 C9 H91 15.0 60.0
H101 C10 C9 H92 265.5 179.9
C9 C10 H101 O6 237.3 120.0
C9 C10 H101 H102 118.7 239.9
O6 C10 H101 H102 241.4 120.0
H101 C10 O6 C11 54.4 300.0
H102 C10 C9 H91 124.5 300.0
H102 C10 C9 H92 15.0 59.9
C9 C10 H102 O6 122.7 240.1
C9 C10 H102 H101 241.3 120.0
O6 C10 H102 H101 118.6 240.0
H102 C10 O6 C11 305.0 60.0
C11 O6 C10 H101 54.4 300.0
C11 O6 C10 H102 305.0 60.0
C12 C11 O6 H111 234.7 120.0
C12 C11 O6 H112 125.3 240.0
O6 C11 C12 O7 247.6 60.0
O6 C11 C12 H121 12.9 300.0
O6 C11 C12 H122 122.4 180.0
H111 C11 O6 H112 250.6 120.0
O6 C11 C12 H111 125.3 240.0
O6 C11 C12 H112 234.7 120.1
H111 C11 C12 H112 109.4 240.0
O7 C12 C11 H121 234.8 120.0
O7 C12 C11 H122 125.2 240.0
C11 C12 O7 C13 204.8 180.0
H121 C12 C11 H122 250.5 120.0
O6 C11 H111 C12 244.8 120.0
O6 C11 H111 H112 122.4 240.0
C12 C11 H111 H112 237.6 120.0
H111 C11 C12 O7 122.3 180.0
H111 C11 C12 H121 247.6 60.0
H111 C11 C12 H122 357.1 300.0
O6 C11 H112 C12 115.2 240.0
O6 C11 H112 H111 237.6 120.0
C12 C11 H112 H111 122.4 240.0
H112 C11 C12 O7 12.9 299.9
H112 C11 C12 H121 138.1 180.0
H112 C11 C12 H122 247.7 60.0
O7 C12 C11 H111 122.3 180.0
O7 C12 C11 H112 12.9 299.9
C11 C12 O7 H121 125.3 240.0
C11 C12 O7 H122 234.8 120.0
H121 C12 O7 H122 109.5 240.0
C12 O7 C13 C14 294.5 180.0
C12 O7 C13 H131 59.8 60.1
C12 O7 C13 H132 169.3 300.0
H121 C12 C11 H111 247.6 60.0
H121 C12 C11 H112 138.1 180.0
C11 C12 H121 O7 237.5 120.0
C11 C12 H121 H122 118.8 240.0
O7 C12 H121 H122 241.3 120.0
H121 C12 O7 C13 79.5 300.0
H122 C12 C11 H111 357.1 300.0
H122 C12 C11 H112 247.7 60.0
C11 C12 H122 O7 122.4 240.0
C11 C12 H122 H121 241.2 120.0
O7 C12 H122 H121 118.7 240.0
H122 C12 O7 C13 330.0 59.9
C13 O7 C12 H121 79.5 300.0
C13 O7 C12 H122 330.0 59.9
C14 C13 O7 H131 234.7 120.0
C14 C13 O7 H132 125.3 240.0
O7 C13 C14 O8 152.5 60.1
O7 C13 C14 H141 277.7 300.0
O7 C13 C14 H142 27.3 180.0
H131 C13 O7 H132 250.6 120.0
O7 C13 C14 H131 125.3 240.1
O7 C13 C14 H132 234.7 120.0
H131 C13 C14 H132 109.4 240.0
O8 C14 C13 H141 234.8 120.1
O8 C14 C13 H142 125.3 240.1
C13 C14 O8 C15 260.2 180.0
H141 C14 C13 H142 250.5 119.9
O7 C13 H131 C14 233.4 119.9
O7 C13 H131 H132 116.7 239.9
C14 C13 H131 H132 243.3 120.0
H131 C13 C14 O8 27.2 180.0
H131 C13 C14 H141 152.4 59.9
H131 C13 C14 H142 262.0 299.9
O7 C13 H132 C14 126.6 240.0
O7 C13 H132 H131 243.3 120.0
C14 C13 H132 H131 116.7 240.0
H132 C13 C14 O8 277.8 300.1
H132 C13 C14 H141 43.0 179.9
H132 C13 C14 H142 152.6 60.0
O8 C14 C13 H131 27.2 180.0
O8 C14 C13 H132 277.8 300.1
C13 C14 O8 H141 125.2 239.9
C13 C14 O8 H142 234.7 119.9
H141 C14 O8 H142 109.5 240.0
C14 O8 C15 C16 173.6 180.0
C14 O8 C15 H151 298.9 59.9
C14 O8 C15 H152 48.3 299.9
H141 C14 C13 H131 152.4 59.9
H141 C14 C13 H132 43.0 179.9
C13 C14 H141 O8 238.3 120.1
C13 C14 H141 H142 119.1 240.1
O8 C14 H141 H142 240.9 120.0
H141 C14 O8 C15 135.0 300.1
H142 C14 C13 H131 262.0 299.9
H142 C14 C13 H132 152.6 60.0
C13 C14 H142 O8 121.8 240.1
C13 C14 H142 H141 240.9 119.9
O8 C14 H142 H141 119.1 239.9
H142 C14 O8 C15 25.5 60.1
C15 O8 C14 H141 135.0 300.1
C15 O8 C14 H142 25.5 60.1
C16 C15 O8 H151 234.7 120.0
C16 C15 O8 H152 125.2 240.0
O8 C15 C16 H161 180.0 180.0
O8 C15 C16 H162 305.3 300.0
O8 C15 C16 H163 54.7 59.9
H151 C15 O8 H152 250.5 120.0
O8 C15 C16 H151 125.3 239.9
O8 C15 C16 H152 234.8 120.0
H151 C15 C16 H152 109.5 240.1
H161 C16 C15 H162 234.8 240.0
H161 C16 C15 H163 125.4 120.0
H162 C16 C15 H163 250.6 240.0
O8 C15 H151 C16 236.7 120.1
O8 C15 H151 H152 118.4 240.0
C16 C15 H151 H152 241.6 119.9
H151 C15 C16 H161 54.8 300.0
H151 C15 C16 H162 180.0 60.0
H151 C15 C16 H163 289.4 180.0
O8 C15 H152 C16 123.3 240.0
O8 C15 H152 H151 241.6 120.0
C16 C15 H152 H151 118.4 240.0
H152 C15 C16 H161 305.3 60.0
H152 C15 C16 H162 70.5 180.0
H152 C15 C16 H163 179.9 299.9
H161 C16 C15 H151 54.8 300.0
H161 C16 C15 H152 305.3 60.0
C15 C16 H161 H162 125.3 120.0
C15 C16 H161 H163 234.7 240.0
H162 C16 H161 H163 109.4 120.0
H162 C16 C15 H151 180.0 60.0
H162 C16 C15 H152 70.5 180.0
C15 C16 H162 H161 236.7 240.0
C15 C16 H162 H163 118.3 119.9
H161 C16 H162 H163 241.6 240.0
H163 C16 C15 H151 289.4 180.0
H163 C16 C15 H152 179.9 299.9
C15 C16 H163 H161 123.4 120.1
C15 C16 H163 H162 241.7 240.1
H161 C16 H163 H162 118.3 120.0