return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H12O (2-Butanol, 3-methyl-)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-273.021444
Energy at 298.15K-273.034692
HF Energy-273.021444
Nuclear repulsion energy263.813679
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3784 3651 9.34      
2 A 3133 3023 19.02      
3 A 3117 3008 29.14      
4 A 3105 2997 39.27      
5 A 3093 2985 90.81      
6 A 3091 2982 16.35      
7 A 3087 2979 9.56      
8 A 3027 2921 27.25      
9 A 3024 2918 44.69      
10 A 3022 2916 24.03      
11 A 3012 2907 14.72      
12 A 2935 2833 51.19      
13 A 1530 1476 5.08      
14 A 1518 1465 1.62      
15 A 1509 1457 9.00      
16 A 1507 1454 2.27      
17 A 1501 1448 2.62      
18 A 1500 1447 2.20      
19 A 1430 1380 6.59      
20 A 1413 1364 6.37      
21 A 1409 1359 6.65      
22 A 1400 1351 0.46      
23 A 1368 1320 5.55      
24 A 1342 1295 3.19      
25 A 1332 1286 15.65      
26 A 1268 1224 25.15      
27 A 1193 1151 3.33      
28 A 1176 1135 12.49      
29 A 1146 1106 5.67      
30 A 1089 1051 71.56      
31 A 1069 1032 11.15      
32 A 982 948 3.16      
33 A 962 929 3.69      
34 A 945 912 13.82      
35 A 922 890 0.59      
36 A 890 858 8.18      
37 A 778 751 1.51      
38 A 510 492 3.25      
39 A 450 434 7.47      
40 A 397 383 1.17      
41 A 352 340 2.02      
42 A 347 335 3.99      
43 A 277 267 5.18      
44 A 255 246 89.89      
45 A 230 222 0.28      
46 A 215 207 0.19      
47 A 202 195 0.42      
48 A 76 74 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 35957.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 34699.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31G(2df,p)
ABC
0.14549 0.09937 0.06427

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.572 -1.148 0.066
H2 -2.541 -1.093 -0.442
H3 -1.090 -2.092 -0.198
H4 -1.762 -1.152 1.146
C5 1.660 1.052 -0.057
H6 1.324 2.017 0.337
H7 2.656 0.858 0.360
H8 1.758 1.130 -1.145
O9 1.226 -1.335 -0.137
H10 2.096 -1.443 0.267
C11 0.702 -0.082 0.314
H12 0.576 -0.102 1.412
C13 -0.689 0.046 -0.324
H14 -0.539 0.025 -1.413
C15 -1.371 1.368 0.054
H16 -1.462 1.467 1.143
H17 -0.827 2.241 -0.320
H18 -2.383 1.404 -0.365

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 O9 H10 C11 H12 C13 H14 C15 H16 H17 H18
C11.09551.09191.09753.91164.29834.68884.21172.81173.68522.52392.74191.53512.15122.52372.82973.49072.7120
H21.09551.77811.77034.73275.02155.60874.89003.78754.70403.48043.75932.17742.48992.76923.19773.75012.5030
H31.09191.77811.77244.17984.79554.80104.40292.43793.28502.74163.05402.17872.50193.48013.82074.34203.7307
H41.09751.77031.77244.24484.49714.91724.77993.25743.96772.81272.57652.17943.07112.77462.63603.81283.0340
C53.91164.73274.17984.24481.09441.09701.09532.42822.55371.53022.15982.56932.78023.04963.37042.76864.0695
H64.29835.02154.79554.49711.09441.76521.78073.38693.54542.18902.49102.89373.24042.78702.95252.26023.8221
H74.68885.60874.80104.91721.09701.76521.77372.66522.37012.16852.52093.50933.74764.07094.23583.80835.1196
H84.21174.89004.40294.77991.09531.78071.77372.71572.95382.17053.07432.79902.56263.35933.96452.93184.2222
O92.81173.78752.43793.25742.42823.38692.66522.71570.96481.43162.08392.36882.56803.75394.08874.12754.5366
H103.68524.70403.28503.96772.55373.54542.37012.95380.96481.94862.32823.21273.45234.46864.67914.73875.3444
C112.52393.48042.74162.81271.53022.18902.16852.17051.43161.94861.10491.53592.12952.54352.78742.85213.4908
H122.74193.75933.05402.57652.15982.49102.52093.07432.08392.32821.10492.15263.03912.79212.58583.23323.7651
C131.53512.17742.17872.17942.56932.89373.50932.79902.36883.21271.53592.15261.09931.53482.18352.19892.1713
H142.15122.48992.50193.07112.78023.24043.74762.56262.56803.45232.12953.03911.09932.15563.07602.48712.5296
C152.52372.76923.48012.77463.04962.78704.07093.35933.75394.46862.54352.79211.53482.15561.09741.09441.0951
H162.82973.19773.82072.63603.37042.95254.23583.96454.08874.67912.78742.58582.18353.07601.09741.77291.7675
H173.49073.75014.34203.81282.76862.26023.80832.93184.12754.73872.85213.23322.19892.48711.09441.77291.7669
H182.71202.50303.73073.03404.06953.82215.11964.22224.53665.34443.49083.76512.17132.52961.09511.76751.7669

picture of 2-Butanol, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C13 C11 110.536 C1 C13 H14 108.353
C1 C13 C15 110.586 H2 C1 H3 108.762
H2 C1 H4 107.657 H2 C1 C13 110.618
H3 C1 H4 108.098 H3 C1 C13 110.943
H4 C1 C13 110.658 C5 C11 O9 110.095
C5 C11 H12 109.033 C5 C11 C13 113.853
H6 C5 H7 107.322 H6 C5 H8 108.823
H6 C5 C11 111.962 H7 C5 H8 108.001
H7 C5 C11 110.171 H8 C5 C11 110.430
O9 C11 H12 109.814 O9 C11 C13 105.871
H10 O9 C11 107.195 C11 C13 H14 106.646
C11 C13 C15 111.849 H12 C11 C13 108.088
C13 C15 H16 111.009 C13 C15 H17 112.430
C13 C15 H18 110.183 H14 C13 C15 108.715
H16 C15 H17 107.971 H16 C15 H18 107.445
H17 C15 H18 107.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability