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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-154.905765
Energy at 298.15K-154.912318
HF Energy-154.905765
Nuclear repulsion energy81.356962
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 PBEPBEultrafine/aug-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' 3716 3674 20.44 123.72 0.21 0.35
2 A' 3046 3012 22.08 59.41 0.74 0.85
3 A' 2973 2939 15.06 187.59 0.00 0.00
4 A' 2904 2872 69.23 163.17 0.06 0.11
5 A' 1469 1452 1.42 2.51 0.67 0.80
6 A' 1446 1430 3.07 7.56 0.75 0.85
7 A' 1394 1378 11.64 1.03 0.68 0.81
8 A' 1346 1331 2.57 0.15 0.38 0.56
9 A' 1229 1215 55.85 1.17 0.54 0.70
10 A' 1067 1055 34.63 6.00 0.43 0.60
11 A' 1005 994 54.92 5.61 0.12 0.21
12 A' 871 862 16.06 4.08 0.21 0.35
13 A' 404 399 10.64 0.34 0.64 0.78
14 A" 3047 3013 25.82 44.86 0.75 0.86
15 A" 2929 2896 46.08 110.75 0.75 0.86
16 A" 1428 1412 6.63 4.61 0.75 0.86
17 A" 1251 1237 0.09 3.71 0.75 0.86
18 A" 1133 1121 2.42 0.62 0.75 0.86
19 A" 790 781 0.46 0.27 0.75 0.86
20 A" 272 269 70.96 1.43 0.75 0.86
21 A" 225 223 36.55 0.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16972.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 16782.3 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
1.16293 0.30959 0.26955

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.179 -0.398 0.000
C2 0.000 0.555 0.000
O3 -1.204 -0.228 0.000
H4 -1.960 0.379 0.000
H5 2.124 0.163 0.000
H6 1.156 -1.041 0.890
H7 1.156 -1.041 -0.890
H8 0.038 1.207 0.893
H9 0.038 1.207 -0.893

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51622.38893.23421.09881.09841.09842.16222.1622
C21.51621.43591.96802.16042.16252.16251.10571.1057
O32.38891.43590.97013.35082.64982.64982.09652.0965
H43.23421.96800.97014.09033.53843.53842.33922.3392
H51.09882.16043.35084.09031.78291.78292.49832.4983
H61.09842.16252.64983.53841.78291.78042.51063.0792
H71.09842.16252.64983.53841.78291.78043.07922.5106
H82.16221.10572.09652.33922.49832.51063.07921.7851
H92.16221.10572.09652.33922.49833.07922.51061.7851

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.010 C1 C2 H8 110.119
C1 C2 H9 110.119 C2 C1 H5 110.387
C2 C1 H6 110.582 C2 C1 H7 110.582
C2 O3 H4 108.205 O3 C2 H8 110.477
O3 C2 H9 110.477 H5 C1 H6 108.471
H5 C1 H7 108.471 H6 C1 H7 108.275
H8 C2 H9 107.650
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.613      
2 C -0.036      
3 O -0.414      
4 H 0.109      
5 H 0.210      
6 H 0.202      
7 H 0.202      
8 H 0.170      
9 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.128 1.508 0.000 1.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.168 -2.365 0.000
y -2.365 -20.456 0.000
z 0.000 0.000 -20.563
Traceless
 xyz
x 2.341 -2.365 0.000
y -2.365 -1.090 0.000
z 0.000 0.000 -1.251
Polar
3z2-r2-2.501
x2-y22.288
xy-2.365
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.853 -0.143 0.000
y -0.143 5.233 0.000
z 0.000 0.000 4.827


<r2> (average value of r2) Å2
<r2> 54.929
(<r2>)1/2 7.411