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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: mPW1PW91/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 mPW1PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-155.065012
Energy at 298.15K-155.071644
HF Energy-155.065012
Nuclear repulsion energy82.075002
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/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' 3891 3891 32.56 104.49 0.21 0.35
2 A' 3135 3135 23.61 54.25 0.74 0.85
3 A' 3059 3059 14.53 177.56 0.00 0.00
4 A' 3003 3003 65.58 145.26 0.06 0.12
5 A' 1526 1526 1.91 2.52 0.69 0.81
6 A' 1499 1499 2.80 6.54 0.75 0.86
7 A' 1454 1454 11.97 1.17 0.49 0.65
8 A' 1399 1399 2.50 0.07 0.41 0.58
9 A' 1273 1273 68.64 0.78 0.72 0.84
10 A' 1122 1122 42.84 5.38 0.50 0.67
11 A' 1047 1047 48.84 5.23 0.12 0.21
12 A' 911 911 10.98 5.06 0.19 0.32
13 A' 418 418 11.03 0.33 0.60 0.75
14 A" 3137 3137 27.05 39.62 0.75 0.86
15 A" 3032 3032 43.76 95.53 0.75 0.86
16 A" 1481 1481 6.54 4.44 0.75 0.86
17 A" 1304 1304 0.00 3.53 0.75 0.86
18 A" 1181 1181 3.37 0.43 0.75 0.86
19 A" 818 818 0.32 0.14 0.75 0.86
20 A" 279 279 76.76 1.07 0.75 0.86
21 A" 236 236 39.19 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17601.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17601.7 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 mPW1PW91/daug-cc-pVTZ
ABC
1.18607 0.31439 0.27395

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.170 -0.402 0.000
C2 0.000 0.550 0.000
O3 -1.194 -0.217 0.000
H4 -1.944 0.378 0.000
H5 2.110 0.150 0.000
H6 1.143 -1.039 0.883
H7 1.143 -1.039 -0.883
H8 0.040 1.196 0.885
H9 0.040 1.196 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.50812.37073.20981.09001.08961.08962.14712.1471
C21.50811.41881.95162.14722.14762.14761.09591.0959
O32.37071.41880.95723.32362.62972.62972.07372.0737
H43.20981.95160.95724.05993.50933.50932.32132.3213
H51.09002.14723.32364.05991.76931.76932.48152.4815
H61.08962.14762.62973.50931.76931.76622.49223.0555
H71.08962.14762.62973.50931.76931.76623.05552.4922
H82.14711.09592.07372.32132.48152.49223.05551.7693
H92.14711.09592.07372.32132.48153.05552.49221.7693

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.145 C1 C2 H8 110.079
C1 C2 H9 110.079 C2 C1 H5 110.435
C2 C1 H6 110.495 C2 C1 H7 110.495
C2 O3 H4 108.890 O3 C2 H8 110.443
O3 C2 H9 110.443 H5 C1 H6 108.534
H5 C1 H7 108.534 H6 C1 H7 108.280
H8 C2 H9 107.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.919      
2 C 0.269      
3 O -0.872      
4 H 0.172      
5 H 0.181      
6 H 0.252      
7 H 0.252      
8 H 0.332      
9 H 0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.115 1.550 0.000 1.554
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.836 -2.386 0.000
y -2.386 -20.073 0.000
z 0.000 0.000 -20.176
Traceless
 xyz
x 2.289 -2.386 0.000
y -2.386 -1.067 0.000
z 0.000 0.000 -1.221
Polar
3z2-r2-2.443
x2-y22.237
xy-2.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.435 -0.138 0.000
y -0.138 4.889 0.000
z 0.000 0.000 4.526


<r2> (average value of r2) Å2
<r2> 54.017
(<r2>)1/2 7.350