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 C4H10O (2-Butanol, (.+/-.)-)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-232.782997
Energy at 298.15K-232.794453
HF Energy-232.149299
Nuclear repulsion energy194.162946
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 CID/6-31G*
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 3914 3615 19.20      
2 A 3262 3013 28.29      
3 A 3255 3006 21.42      
4 A 3235 2989 52.41      
5 A 3230 2983 34.41      
6 A 3192 2948 28.02      
7 A 3179 2937 16.47      
8 A 3166 2924 21.43      
9 A 3153 2913 23.44      
10 A 3134 2895 20.64      
11 A 1605 1482 6.98      
12 A 1594 1473 9.26      
13 A 1593 1471 0.72      
14 A 1591 1470 5.95      
15 A 1581 1461 0.32      
16 A 1521 1405 17.89      
17 A 1511 1396 21.12      
18 A 1503 1389 28.32      
19 A 1491 1377 6.06      
20 A 1421 1313 3.76      
21 A 1410 1302 4.73      
22 A 1338 1236 5.63      
23 A 1268 1171 22.20      
24 A 1210 1118 24.49      
25 A 1163 1074 77.66      
26 A 1115 1030 0.92      
27 A 1067 985 14.40      
28 A 1037 958 8.12      
29 A 989 914 8.24      
30 A 867 801 6.28      
31 A 821 758 0.39      
32 A 523 483 12.52      
33 A 487 450 8.75      
34 A 395 365 12.81      
35 A 321 296 127.86      
36 A 270 249 0.86      
37 A 253 234 1.28      
38 A 234 216 0.08      
39 A 123 113 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 31510.5 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 29106.3 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 CID/6-31G*
ABC
0.26982 0.11551 0.08987

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.514 1.397 0.057
H2 -0.653 1.429 1.008
C3 -1.793 -0.655 -0.006
H4 -1.944 -0.697 1.075
H5 -1.811 -1.676 -0.384
C6 -0.478 0.033 -0.334
H7 -0.354 0.068 -1.416
C8 0.722 -0.684 0.274
H9 0.704 -1.729 -0.040
H10 0.606 -0.691 1.362
C11 2.052 -0.047 -0.103
H12 2.206 -0.081 -1.181
H13 2.080 0.996 0.202
H14 2.884 -0.567 0.369
H15 -2.624 -0.106 -0.445

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
O10.96182.41912.73263.36471.41961.99042.43003.35652.70512.94873.33392.62853.93742.6387
H20.96182.58252.48793.59421.94412.79602.62553.59362.49083.27583.90482.88214.11172.8894
C32.41912.58251.09181.08921.52012.14072.53082.71862.76213.89464.20774.21564.69371.0878
H42.73262.48791.09181.76222.16013.05252.78383.05332.56654.21694.76374.45224.88191.7660
H53.36473.59421.08921.76222.16772.49552.79842.53853.14024.20194.39454.75624.88301.7690
C61.41961.94411.52012.16012.16771.09021.52392.14172.13882.54192.81682.78533.48712.1530
H71.99042.79602.14073.05252.49551.09022.14022.49843.03602.74402.57533.06703.75242.4746
C82.43002.62552.53082.78382.79841.52392.14021.09171.09441.52252.16432.16152.16803.4702
H93.35653.59362.71863.05332.53852.14172.49841.09171.74802.15692.50473.06262.50493.7242
H102.70512.49082.76212.56653.14022.13883.03601.09441.74802.15713.06612.52262.48873.7466
C112.94873.27583.89464.21694.20192.54192.74401.52252.15692.15711.08991.08691.08904.6887
H123.33393.90484.20774.76374.39452.81682.57532.16432.50473.06611.08991.75791.76084.8854
H132.62852.88214.21564.45224.75622.78533.06702.16153.06262.52261.08691.75791.76574.8741
H143.93744.11174.69374.88194.88303.48713.75242.16802.50492.48871.08901.76081.76575.5870
H152.63872.88941.08781.76601.76902.15302.47463.47023.72423.74664.68874.88544.87415.5870

picture of 2-Butanol, (.+/-.)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C6 C3 110.711 O1 C6 H7 104.178
O1 C6 C8 111.237 H2 O1 C6 107.895
C3 C6 H7 109.082 C3 C6 C8 112.486
H4 C3 H5 107.804 H4 C3 C6 110.519
H4 C3 H15 108.245 H5 C3 C6 111.284
H5 C3 H15 108.701 C6 C3 H15 110.195
C6 C8 H9 108.812 C6 C8 H10 108.428
C6 C8 C11 113.104 H7 C6 C8 108.778
C8 C11 H12 110.792 C8 C11 H13 110.749
C8 C11 H14 111.146 H9 C8 H10 106.190
H9 C8 C11 110.102 H10 C8 C11 109.954
H12 C11 H13 107.720 H12 C11 H14 107.832
H13 C11 H14 108.476
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability