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All results from a given calculation for CH3CH2OH (Ethanol)

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

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/6-31G*
 hartrees
Energy at 0K-154.855067
Energy at 298.15K-154.861776
HF Energy-154.706765
Nuclear repulsion energy81.774086
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/6-31G*
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' 3779 3584 13.88 107.95 0.31 0.47
2 A' 3168 3005 28.63 58.53 0.75 0.86
3 A' 3091 2932 14.27 106.95 0.01 0.03
4 A' 3026 2870 68.33 102.69 0.13 0.22
5 A' 1583 1501 2.46 4.77 0.66 0.80
6 A' 1553 1473 3.12 24.91 0.75 0.86
7 A' 1500 1422 16.60 5.85 0.63 0.77
8 A' 1446 1371 0.38 0.91 0.63 0.77
9 A' 1305 1238 86.36 6.69 0.74 0.85
10 A' 1135 1077 21.16 6.00 0.55 0.71
11 A' 1061 1006 54.95 3.04 0.20 0.33
12 A' 925 877 10.78 6.28 0.37 0.54
13 A' 422 400 11.78 0.27 0.67 0.80
14 A" 3176 3012 30.63 47.05 0.75 0.86
15 A" 3057 2899 72.05 86.77 0.75 0.86
16 A" 1535 1456 4.45 17.14 0.75 0.86
17 A" 1326 1258 0.10 14.29 0.75 0.86
18 A" 1211 1149 4.85 3.43 0.75 0.86
19 A" 840 796 0.00 0.05 0.75 0.86
20 A" 306 290 100.44 4.25 0.75 0.86
21 A" 257 244 35.15 0.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17850.9 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 16929.8 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/6-31G*
ABC
1.16495 0.31420 0.27279

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.170 -0.406 0.000
C2 0.000 0.558 0.000
O3 -1.194 -0.220 0.000
H4 -1.945 0.390 0.000
H5 2.118 0.139 0.000
H6 1.133 -1.045 0.885
H7 1.133 -1.045 -0.885
H8 0.047 1.207 0.886
H9 0.047 1.207 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51582.37123.21531.09351.09241.09242.15622.1562
C21.51581.42511.95232.15932.15292.15291.09951.0995
O32.37121.42510.96813.33152.62242.62242.08832.0883
H43.21531.95230.96814.07113.50953.50952.32772.3277
H51.09352.15933.33154.07111.77631.77632.49372.4937
H61.09242.15292.62243.50951.77631.77092.50003.0641
H71.09242.15292.62243.50951.77631.77093.06412.5000
H82.15621.09952.08832.32772.49372.50003.06411.7724
H92.15621.09952.08832.32772.49373.06412.50001.7724

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.431 C1 C2 H8 110.044
C1 C2 H9 110.044 C2 C1 H5 110.650
C2 C1 H6 110.209 C2 C1 H7 110.209
C2 O3 H4 107.794 O3 C2 H8 110.965
O3 C2 H9 110.965 H5 C1 H6 108.709
H5 C1 H7 108.709 H6 C1 H7 108.298
H8 C2 H9 107.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability