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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-155.024340
Energy at 298.15K-155.031014
HF Energy-155.024340
Nuclear repulsion energy81.803466
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 mPW1PW91/aug-cc-pVDZ
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' 3891 3729 31.07 103.12 0.21 0.35
2 A' 3152 3020 25.46 54.78 0.75 0.85
3 A' 3065 2937 15.58 181.10 0.00 0.00
4 A' 3014 2888 69.39 136.91 0.07 0.13
5 A' 1506 1444 1.56 2.76 0.72 0.84
6 A' 1479 1417 2.46 5.71 0.75 0.86
7 A' 1445 1385 12.45 2.08 0.52 0.68
8 A' 1379 1321 2.45 0.06 0.43 0.60
9 A' 1275 1222 69.90 0.90 0.71 0.83
10 A' 1123 1076 51.53 5.21 0.55 0.71
11 A' 1053 1009 36.02 6.11 0.12 0.21
12 A' 911 873 11.93 4.84 0.20 0.33
13 A' 417 400 10.86 0.30 0.60 0.75
14 A" 3155 3023 29.15 40.84 0.75 0.86
15 A" 3051 2924 46.89 96.53 0.75 0.86
16 A" 1459 1398 6.31 4.59 0.75 0.86
17 A" 1294 1240 0.01 3.81 0.75 0.86
18 A" 1172 1123 3.06 0.40 0.75 0.86
19 A" 814 780 0.27 0.16 0.75 0.86
20 A" 301 288 92.93 1.34 0.75 0.86
21 A" 240 230 23.55 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17596.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 16863.0 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 mPW1PW91/aug-cc-pVDZ
ABC
1.17456 0.31310 0.27274

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.171 -0.403 0.000
C2 0.000 0.552 0.000
O3 -1.196 -0.218 0.000
H4 -1.948 0.378 0.000
H5 2.117 0.154 0.000
H6 1.145 -1.044 0.889
H7 1.145 -1.044 -0.889
H8 0.040 1.201 0.891
H9 0.040 1.201 -0.891

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51132.37433.21581.09731.09671.09672.15552.1555
C21.51131.42231.95592.15382.15622.15621.10291.1029
O32.37431.42230.96013.33342.63632.63632.08222.0822
H43.21581.95590.96014.07113.51843.51842.32902.3290
H51.09732.15383.33344.07111.78111.78112.49042.4904
H61.09672.15622.63633.51841.78111.77822.50253.0709
H71.09672.15622.63633.51841.78111.77823.07092.5025
H82.15551.10292.08222.32902.49042.50253.07091.7814
H92.15551.10292.08222.32902.49043.07092.50251.7814

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.027 C1 C2 H8 110.103
C1 C2 H9 110.103 C2 C1 H5 110.308
C2 C1 H6 110.526 C2 C1 H7 110.526
C2 O3 H4 108.816 O3 C2 H8 110.447
O3 C2 H9 110.447 H5 C1 H6 108.542
H5 C1 H7 108.542 H6 C1 H7 108.331
H8 C2 H9 107.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.321      
2 C 0.793      
3 O -0.476      
4 H 0.094      
5 H -0.080      
6 H -0.099      
7 H -0.099      
8 H -0.227      
9 H -0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.127 1.557 0.000 1.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.922 -2.393 0.000
y -2.393 -20.157 0.000
z 0.000 0.000 -20.251
Traceless
 xyz
x 2.283 -2.393 0.000
y -2.393 -1.071 0.000
z 0.000 0.000 -1.212
Polar
3z2-r2-2.423
x2-y22.236
xy-2.393
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.447 -0.136 0.000
y -0.136 4.895 0.000
z 0.000 0.000 4.521


<r2> (average value of r2) Å2
<r2> 54.299
(<r2>)1/2 7.369