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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-155.064823
Energy at 298.15K-155.071470
HF Energy-155.064823
Nuclear repulsion energy82.075224
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-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 3728 32.53 104.04 0.21 0.35
2 A' 3135 3004 23.62 54.19 0.74 0.85
3 A' 3058 2930 14.54 176.57 0.00 0.00
4 A' 3003 2878 65.34 143.98 0.06 0.12
5 A' 1526 1462 1.90 2.58 0.70 0.82
6 A' 1499 1436 2.77 6.47 0.75 0.86
7 A' 1454 1393 12.01 1.21 0.48 0.65
8 A' 1399 1341 2.48 0.06 0.39 0.57
9 A' 1273 1220 68.48 0.80 0.73 0.84
10 A' 1122 1075 43.12 5.41 0.50 0.66
11 A' 1047 1003 48.79 5.20 0.12 0.21
12 A' 911 872 11.08 5.07 0.19 0.32
13 A' 418 400 11.03 0.33 0.60 0.75
14 A" 3137 3006 27.08 39.60 0.75 0.86
15 A" 3032 2905 43.81 95.52 0.75 0.86
16 A" 1481 1419 6.53 4.44 0.75 0.86
17 A" 1304 1249 0.00 3.55 0.75 0.86
18 A" 1181 1132 3.31 0.41 0.75 0.86
19 A" 818 783 0.33 0.15 0.75 0.86
20 A" 279 267 75.80 1.09 0.75 0.86
21 A" 237 227 39.99 0.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17602.6 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 16865.0 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-pVTZ
ABC
1.18603 0.31441 0.27396

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-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
C11.50802.37063.20981.09001.08961.08962.14712.1471
C21.50801.41881.95172.14722.14762.14761.09591.0959
O32.37061.41880.95733.32362.62962.62962.07362.0736
H43.20981.95170.95734.06013.50933.50932.32142.3214
H51.09002.14723.32364.06011.76931.76932.48162.4816
H61.08962.14762.62963.50931.76931.76622.49223.0555
H71.08962.14762.62963.50931.76931.76623.05552.4922
H82.14711.09592.07362.32142.48162.49223.05551.7694
H92.14711.09592.07362.32142.48163.05552.49221.7694

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.142 C1 C2 H8 110.084
C1 C2 H9 110.084 C2 C1 H5 110.439
C2 C1 H6 110.496 C2 C1 H7 110.496
C2 O3 H4 108.899 O3 C2 H8 110.438
O3 C2 H9 110.438 H5 C1 H6 108.533
H5 C1 H7 108.533 H6 C1 H7 108.275
H8 C2 H9 107.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.634      
2 C -0.012      
3 O -0.442      
4 H 0.094      
5 H 0.206      
6 H 0.217      
7 H 0.217      
8 H 0.177      
9 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.116 1.550 0.000 1.554
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.839 -2.388 0.000
y -2.388 -20.078 0.000
z 0.000 0.000 -20.175
Traceless
 xyz
x 2.287 -2.388 0.000
y -2.388 -1.071 0.000
z 0.000 0.000 -1.216
Polar
3z2-r2-2.433
x2-y22.239
xy-2.388
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.431 -0.137 0.000
y -0.137 4.881 0.000
z 0.000 0.000 4.514


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