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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B2PLYP=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-154.892017
Energy at 298.15K-154.898668
HF Energy-154.728954
Nuclear repulsion energy81.699482
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 B2PLYP=FULL/6-31+G**
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' 3865 3675 27.94 100.56 0.25 0.40
2 A' 3164 3009 27.91 61.58 0.75 0.86
3 A' 3084 2933 16.76 143.45 0.01 0.02
4 A' 3037 2889 71.30 114.40 0.11 0.19
5 A' 1555 1479 1.66 4.25 0.75 0.86
6 A' 1528 1454 3.55 12.60 0.73 0.84
7 A' 1471 1399 19.22 3.46 0.43 0.60
8 A' 1425 1355 0.57 0.21 0.42 0.59
9 A' 1271 1209 71.68 3.28 0.71 0.83
10 A' 1111 1057 28.06 7.27 0.50 0.66
11 A' 1050 998 62.86 4.09 0.25 0.41
12 A' 911 867 15.47 6.78 0.27 0.43
13 A' 420 400 12.40 0.35 0.55 0.71
14 A" 3174 3018 30.01 44.49 0.75 0.86
15 A" 3075 2924 52.37 103.69 0.75 0.86
16 A" 1510 1436 6.72 9.45 0.75 0.86
17 A" 1314 1250 0.10 8.53 0.75 0.86
18 A" 1196 1138 3.63 0.89 0.75 0.86
19 A" 830 790 0.02 0.14 0.75 0.86
20 A" 285 271 78.00 1.14 0.75 0.86
21 A" 238 226 69.60 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17756.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 16886.7 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 B2PLYP=FULL/6-31+G**
ABC
1.16955 0.31227 0.27159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.176 -0.397 0.000
C2 0.000 0.558 0.000
O3 -1.197 -0.227 0.000
H4 -1.960 0.362 0.000
H5 2.117 0.158 0.000
H6 1.147 -1.035 0.885
H7 1.147 -1.035 -0.885
H8 0.034 1.201 0.887
H9 0.034 1.201 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51492.37893.22671.09221.09091.09092.15572.1557
C21.51491.43101.97002.15402.15272.15271.09651.0965
O32.37891.43100.96393.33572.63232.63232.08362.0836
H43.22671.97000.96394.08193.51963.51962.33842.3384
H51.09222.15403.33574.08191.77341.77342.49282.4928
H61.09092.15272.63233.51961.77341.76972.49783.0625
H71.09092.15272.63233.51961.77341.76973.06252.4978
H82.15571.09652.08362.33842.49282.49783.06251.7741
H92.15571.09652.08362.33842.49283.06252.49781.7741

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.676 C1 C2 H8 110.249
C1 C2 H9 110.249 C2 C1 H5 110.380
C2 C1 H6 110.348 C2 C1 H7 110.348
C2 O3 H4 109.126 O3 C2 H8 110.343
O3 C2 H9 110.343 H5 C1 H6 108.648
H5 C1 H7 108.648 H6 C1 H7 108.412
H8 C2 H9 107.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability