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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-154.139902
Energy at 298.15K-154.146733
HF Energy-154.139902
Nuclear repulsion energy82.435598
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 HF/TZVP
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' 4168 3787 50.41 87.80 0.28 0.44
2 A' 3235 2939 50.25 60.26 0.75 0.86
3 A' 3173 2883 21.08 181.05 0.01 0.03
4 A' 3141 2854 76.86 102.42 0.15 0.26
5 A' 1657 1506 3.09 4.84 0.74 0.85
6 A' 1619 1471 3.06 12.08 0.72 0.84
7 A' 1590 1445 16.16 4.98 0.47 0.64
8 A' 1527 1387 0.13 0.25 0.67 0.80
9 A' 1371 1246 105.99 2.78 0.54 0.70
10 A' 1199 1089 29.35 7.83 0.68 0.81
11 A' 1121 1019 65.81 3.98 0.25 0.40
12 A' 965 877 8.00 9.06 0.29 0.45
13 A' 447 406 12.49 0.41 0.56 0.72
14 A" 3247 2950 55.93 42.16 0.75 0.86
15 A" 3165 2875 65.08 103.45 0.75 0.86
16 A" 1600 1454 4.37 10.37 0.75 0.86
17 A" 1415 1286 0.16 10.74 0.75 0.86
18 A" 1288 1170 5.96 0.65 0.75 0.86
19 A" 881 801 0.14 0.08 0.75 0.86
20 A" 307 279 108.99 2.13 0.75 0.86
21 A" 266 242 43.67 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18690.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 16981.9 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 HF/TZVP
ABC
1.20367 0.31503 0.27502

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.415 0.000
C2 0.000 0.547 0.000
O3 -1.192 -0.198 0.000
H4 -1.934 0.381 0.000
H5 2.105 0.130 0.000
H6 1.136 -1.049 0.879
H7 1.136 -1.049 -0.879
H8 0.047 1.187 0.878
H9 0.047 1.187 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51292.36963.20221.08511.08361.08362.14382.1438
C21.51291.40601.94152.14632.14702.14701.08791.0879
O32.36961.40600.94113.31402.63022.63022.05562.0556
H43.20221.94150.94114.04753.49923.49922.31222.3122
H51.08512.14633.31404.04751.76091.76092.47542.4754
H61.08362.14702.63023.49921.76091.75712.48753.0453
H71.08362.14702.63023.49921.76091.75713.04532.4875
H82.14381.08792.05562.31222.47542.48753.04531.7567
H92.14381.08792.05562.31222.47543.04532.48751.7567

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.493 C1 C2 H8 109.957
C1 C2 H9 109.957 C2 C1 H5 110.321
C2 C1 H6 110.475 C2 C1 H7 110.475
C2 O3 H4 110.046 O3 C2 H8 110.375
O3 C2 H9 110.375 H5 C1 H6 108.581
H5 C1 H7 108.581 H6 C1 H7 108.345
H8 C2 H9 107.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 C 0.058      
3 O -0.445      
4 H 0.272      
5 H 0.068      
6 H 0.083      
7 H 0.083      
8 H 0.049      
9 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.120 1.796 0.000 1.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.764 -2.634 0.000
y -2.634 -20.017 0.000
z 0.000 0.000 -20.108
Traceless
 xyz
x 2.298 -2.634 0.000
y -2.634 -1.081 0.000
z 0.000 0.000 -1.217
Polar
3z2-r2-2.434
x2-y22.252
xy-2.634
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.431 -0.109 0.000
y -0.109 4.046 0.000
z 0.000 0.000 3.820


<r2> (average value of r2) Å2
<r2> 53.774
(<r2>)1/2 7.333