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All results from a given calculation for C4H10O (2-Butanol, (.+/-.)-)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-232.940311
Energy at 298.15K-232.951684
HF Energy-232.169070
Nuclear repulsion energy193.882949
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 MP2/6-31G**
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 3855 3610 13.30      
2 A 3244 3038 20.70      
3 A 3236 3031 17.63      
4 A 3221 3016 34.09      
5 A 3211 3007 31.12      
6 A 3164 2963 26.38      
7 A 3140 2941 24.21      
8 A 3133 2934 20.66      
9 A 3118 2920 15.34      
10 A 3100 2903 19.06      
11 A 1569 1469 4.98      
12 A 1557 1459 9.19      
13 A 1556 1457 0.10      
14 A 1553 1454 4.55      
15 A 1538 1440 0.43      
16 A 1465 1372 5.67      
17 A 1458 1365 16.21      
18 A 1445 1354 23.93      
19 A 1439 1348 12.00      
20 A 1378 1290 3.82      
21 A 1364 1278 5.08      
22 A 1300 1218 4.43      
23 A 1227 1149 12.61      
24 A 1178 1103 18.37      
25 A 1117 1046 69.93      
26 A 1089 1020 0.81      
27 A 1034 968 17.20      
28 A 1006 942 9.42      
29 A 957 896 11.35      
30 A 845 791 6.67      
31 A 799 748 0.54      
32 A 509 476 12.93      
33 A 474 444 8.30      
34 A 385 360 15.75      
35 A 319 298 110.27      
36 A 268 251 0.34      
37 A 249 233 1.82      
38 A 233 218 0.09      
39 A 123 116 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 30926.4 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 28962.6 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 MP2/6-31G**
ABC
0.26779 0.11577 0.08978

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.501 1.406 0.057
H2 -0.627 1.415 1.015
C3 -1.799 -0.648 -0.001
H4 -1.937 -0.688 1.081
H5 -1.826 -1.670 -0.380
C6 -0.479 0.029 -0.337
H7 -0.358 0.066 -1.422
C8 0.719 -0.696 0.267
H9 0.702 -1.739 -0.061
H10 0.596 -0.714 1.355
C11 2.048 -0.048 -0.098
H12 2.204 -0.074 -1.177
H13 2.058 0.993 0.214
H14 2.883 -0.564 0.375
H15 -2.627 -0.091 -0.434

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
O10.96672.43112.73843.37761.43282.00092.44023.36952.71752.93883.32102.59703.92822.6465
H20.96672.58132.47843.59141.94172.79862.61353.58772.47863.24623.87782.83404.07992.8926
C32.43112.58131.09201.08981.52092.14632.53302.72922.75303.89484.21114.19774.69781.0882
H42.73842.47841.09201.76412.15653.05462.77883.06212.54804.20544.75664.42104.87361.7686
H53.37763.59141.08981.76412.16802.50082.80042.54863.12844.20884.40634.74664.89531.7718
C61.43281.94171.52092.15652.16801.09301.52522.14382.13762.53952.81322.76983.48712.1538
H72.00092.79862.14633.05462.50081.09302.14352.49703.03852.74842.57713.06173.75872.4804
C82.44022.61352.53302.77882.80041.52522.14351.09301.09561.52292.16222.15672.17043.4725
H93.36953.58772.72923.06212.54862.14382.49701.09301.75152.16152.50433.06282.51563.7338
H102.71752.47862.75302.54803.12842.13763.03851.09561.75152.16033.06732.52162.49343.7386
C112.93883.24623.89484.20544.20882.53952.74841.52292.16152.16031.09011.08741.08924.6877
H123.32103.87784.21114.75664.40632.81322.57712.16222.50433.06731.09011.75951.76304.8879
H132.59702.83404.19774.42104.74662.76983.06172.15673.06282.52161.08741.75951.76904.8529
H143.92824.07994.69784.87364.89533.48713.75872.17042.51562.49341.08921.76301.76905.5894
H152.64652.89261.08821.76861.77182.15382.48043.47253.73383.73864.68774.88794.85295.5894

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 110.752 O1 C6 H7 103.971
O1 C6 C8 111.130 H2 O1 C6 106.419
C3 C6 H7 109.296 C3 C6 C8 112.522
H4 C3 H5 107.903 H4 C3 C6 110.162
H4 C3 H15 108.427 H5 C3 C6 111.212
H5 C3 H15 108.881 C6 C3 H15 110.179
C6 C8 H9 108.813 C6 C8 H10 108.182
C6 C8 C11 112.846 H7 C6 C8 108.790
C8 C11 H12 110.587 C8 C11 H13 110.308
C8 C11 H14 111.303 H9 C8 H10 106.307
H9 C8 C11 110.354 H10 C8 C11 110.102
H12 C11 H13 107.806 H12 C11 H14 107.994
H13 C11 H14 108.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability