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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2=FULL/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-154.814151
Energy at 298.15K-154.820815
HF Energy-154.145810
Nuclear repulsion energy82.199362
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=FULL/daug-cc-pVTZ
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' 3863 3863 37.23 98.71 0.18 0.31
2 A' 3171 3171 17.63 48.07 0.75 0.86
3 A' 3094 3094 12.09 171.62 0.00 0.01
4 A' 3053 3053 55.82 133.63 0.06 0.12
5 A' 1552 1552 1.52 2.47 0.75 0.86
6 A' 1527 1527 2.52 5.66 0.75 0.86
7 A' 1467 1467 12.71 1.50 0.38 0.55
8 A' 1414 1414 2.20 0.02 0.27 0.43
9 A' 1276 1276 60.45 0.76 0.74 0.85
10 A' 1121 1121 38.05 5.94 0.41 0.58
11 A' 1060 1060 48.47 5.42 0.12 0.22
12 A' 917 917 13.98 5.90 0.15 0.26
13 A' 421 421 10.91 0.31 0.58 0.73
14 A" 3176 3176 20.10 32.82 0.75 0.86
15 A" 3090 3090 32.81 82.19 0.75 0.86
16 A" 1510 1510 6.21 4.14 0.75 0.86
17 A" 1323 1323 0.01 3.07 0.75 0.86
18 A" 1197 1197 2.81 0.38 0.75 0.86
19 A" 827 827 0.13 0.13 0.75 0.86
20 A" 291 291 71.47 0.83 0.75 0.86
21 A" 238 238 43.45 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17793.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17793.7 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 MP2=FULL/daug-cc-pVTZ
ABC
1.17793 0.31718 0.27558

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.394 0.000
C2 0.000 0.556 0.000
O3 -1.187 -0.229 0.000
H4 -1.943 0.364 0.000
H5 2.103 0.158 0.000
H6 1.134 -1.027 0.882
H7 1.134 -1.027 -0.882
H8 0.034 1.195 0.884
H9 0.034 1.195 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.50472.36013.20051.08701.08611.08612.14222.1422
C21.50471.42341.95212.14072.13782.13781.09121.0912
O32.36011.42340.95993.31342.60852.60852.07352.0735
H43.20051.95210.95994.05123.48973.48972.31922.3192
H51.08702.14073.31344.05121.76671.76672.47782.4778
H61.08612.13782.60853.48971.76671.76372.47913.0439
H71.08612.13782.60853.48971.76671.76373.04392.4791
H82.14221.09122.07352.31922.47782.47913.04391.7686
H92.14221.09122.07352.31922.47783.04392.47911.7686

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.387 C1 C2 H8 110.202
C1 C2 H9 110.202 C2 C1 H5 110.338
C2 C1 H6 110.155 C2 C1 H7 110.155
C2 O3 H4 108.422 O3 C2 H8 110.397
O3 C2 H9 110.397 H5 C1 H6 108.786
H5 C1 H7 108.786 H6 C1 H7 108.577
H8 C2 H9 108.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability