return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: HF/daug-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 HF/daug-cc-pVDZ
 hartrees
Energy at 0K-154.107254
Energy at 298.15K-154.114074
HF Energy-154.107254
Nuclear repulsion energy82.207447
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/daug-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' 4181 3813 56.01 84.96 0.22 0.36
2 A' 3240 2955 49.89 54.07 0.75 0.86
3 A' 3171 2892 20.86 222.03 0.01 0.01
4 A' 3146 2869 76.96 89.13 0.12 0.22
5 A' 1630 1486 1.62 2.54 0.75 0.86
6 A' 1597 1456 3.28 4.60 0.72 0.84
7 A' 1570 1432 13.17 3.50 0.42 0.59
8 A' 1501 1369 0.58 0.01 0.66 0.79
9 A' 1372 1251 101.01 0.66 0.55 0.71
10 A' 1194 1089 41.52 6.35 0.61 0.76
11 A' 1121 1022 50.07 5.08 0.16 0.28
12 A' 964 879 9.53 9.06 0.17 0.29
13 A' 443 404 11.31 0.35 0.50 0.67
14 A" 3250 2964 57.20 34.62 0.75 0.86
15 A" 3176 2896 53.91 94.74 0.75 0.86
16 A" 1577 1439 4.84 4.59 0.75 0.86
17 A" 1399 1276 0.16 3.70 0.75 0.86
18 A" 1271 1160 4.60 0.25 0.75 0.86
19 A" 869 793 0.01 0.05 0.75 0.86
20 A" 305 279 94.06 0.91 0.75 0.86
21 A" 262 239 36.65 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18619.2 cm-1
Scaled (by 0.912) Zero Point Vibrational Energy (zpe) 16980.7 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 HF/daug-cc-pVDZ
ABC
1.19423 0.31382 0.27394

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 -0.414 0.000
C2 0.000 0.549 0.000
O3 -1.194 -0.201 0.000
H4 -1.939 0.376 0.000
H5 2.111 0.137 0.000
H6 1.139 -1.051 0.884
H7 1.139 -1.051 -0.884
H8 0.043 1.191 0.884
H9 0.043 1.191 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51502.37333.20721.09081.08951.08952.15082.1508
C21.51501.41001.94662.15082.15362.15361.09311.0931
O32.37331.41000.94183.32242.63602.63602.06142.0614
H43.20721.94660.94184.05693.50583.50582.31822.3182
H51.09082.15083.32244.05691.77081.77082.48352.4835
H61.08952.15362.63603.50581.77081.76732.49553.0579
H71.08952.15362.63603.50581.77081.76733.05792.4955
H82.15081.09312.06142.31822.48352.49553.05791.7671
H92.15081.09312.06142.31822.48353.05792.49551.7671

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.407 C1 C2 H8 110.054
C1 C2 H9 110.054 C2 C1 H5 110.193
C2 C1 H6 110.489 C2 C1 H7 110.489
C2 O3 H4 110.123 O3 C2 H8 110.237
O3 C2 H9 110.237 H5 C1 H6 108.608
H5 C1 H7 108.608 H6 C1 H7 108.393
H8 C2 H9 107.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.310      
2 C 1.481      
3 O -1.070      
4 H 0.434      
5 H -0.154      
6 H -0.144      
7 H -0.144      
8 H -0.357      
9 H -0.357      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.135 1.652 0.000 1.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.962 -2.474 0.000
y -2.474 -20.096 0.000
z 0.000 0.000 -20.223
Traceless
 xyz
x 2.198 -2.474 0.000
y -2.474 -1.004 0.000
z 0.000 0.000 -1.194
Polar
3z2-r2-2.388
x2-y22.134
xy-2.474
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.004 -0.120 0.000
y -0.120 4.540 0.000
z 0.000 0.000 4.236


<r2> (average value of r2) Å2
<r2> 54.053
(<r2>)1/2 7.352