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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-154.011793
Energy at 298.15K-154.018498
HF Energy-154.011793
Nuclear repulsion energy81.165661
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 HSEh1PBE/3-21G
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' 3539 3409 0.38 138.19 0.31 0.48
2 A' 3165 3049 20.02 54.54 0.75 0.86
3 A' 3084 2971 10.47 97.89 0.01 0.02
4 A' 3004 2894 56.68 100.88 0.14 0.24
5 A' 1594 1536 2.05 6.61 0.69 0.81
6 A' 1569 1511 6.68 31.39 0.75 0.86
7 A' 1477 1423 6.76 3.66 0.65 0.79
8 A' 1456 1402 13.16 2.45 0.70 0.82
9 A' 1297 1249 72.06 10.31 0.75 0.86
10 A' 1128 1087 6.46 6.29 0.46 0.63
11 A' 1027 989 58.88 2.19 0.18 0.30
12 A' 914 881 9.48 6.53 0.36 0.53
13 A' 402 387 15.42 0.29 0.74 0.85
14 A" 3169 3052 22.81 42.66 0.75 0.86
15 A" 3032 2921 69.75 86.08 0.75 0.86
16 A" 1546 1490 7.23 21.12 0.75 0.86
17 A" 1333 1284 1.99 15.11 0.75 0.86
18 A" 1188 1144 4.27 7.22 0.75 0.86
19 A" 865 834 0.55 0.05 0.75 0.86
20 A" 317 306 133.71 8.42 0.75 0.86
21 A" 246 237 18.95 0.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17675.8 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 17027.1 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 HSEh1PBE/3-21G
ABC
1.12135 0.31427 0.27053

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.174 -0.389 0.000
C2 0.000 0.578 0.000
O3 -1.192 -0.253 0.000
H4 -1.981 0.346 0.000
H5 2.126 0.151 0.000
H6 1.119 -1.027 0.887
H7 1.119 -1.027 -0.887
H8 0.054 1.226 0.889
H9 0.054 1.226 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52132.37023.24001.09451.09391.09392.15752.1575
C21.52131.45291.99482.16882.14822.14821.10161.1016
O32.37021.45290.99073.34272.59352.59352.12822.1282
H43.24001.99480.99074.11213.50463.50462.38882.3888
H51.09452.16883.34274.11211.78571.78572.49842.4984
H61.09392.14822.59353.50461.78571.77382.49203.0603
H71.09392.14822.59353.50461.78571.77383.06032.4920
H82.15751.10162.12822.38882.49842.49203.06031.7786
H92.15751.10162.12822.38882.49843.06032.49201.7786

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.646 C1 C2 H8 109.647
C1 C2 H9 109.647 C2 C1 H5 110.957
C2 C1 H6 109.370 C2 C1 H7 109.370
C2 O3 H4 107.938 O3 C2 H8 112.109
O3 C2 H9 112.109 H5 C1 H6 109.374
H5 C1 H7 109.374 H6 C1 H7 108.351
H8 C2 H9 107.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.633      
2 C -0.194      
3 O -0.567      
4 H 0.347      
5 H 0.204      
6 H 0.230      
7 H 0.230      
8 H 0.192      
9 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.089 1.720 0.000 1.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.005 -2.414 0.000
y -2.414 -19.732 0.000
z 0.000 0.000 -19.832
Traceless
 xyz
x 2.777 -2.414 0.000
y -2.414 -1.313 0.000
z 0.000 0.000 -1.464
Polar
3z2-r2-2.928
x2-y22.726
xy-2.414
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.198 -0.120 0.000
y -0.120 3.548 0.000
z 0.000 0.000 3.181


<r2> (average value of r2) Å2
<r2> 54.211
(<r2>)1/2 7.363