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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3LYPultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-155.052484
Energy at 298.15K-155.059122
HF Energy-155.052484
Nuclear repulsion energy81.730807
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 B3LYPultrafine/6-31G(2df,p)
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' 3829 3695 16.42 102.58 0.29 0.45
2 A' 3117 3008 27.28 57.66 0.75 0.86
3 A' 3043 2936 15.02 108.00 0.01 0.01
4 A' 2964 2860 67.99 106.00 0.11 0.20
5 A' 1531 1477 2.09 3.23 0.63 0.78
6 A' 1501 1448 2.04 21.43 0.75 0.85
7 A' 1462 1411 13.77 3.30 0.65 0.79
8 A' 1401 1352 0.80 1.07 0.68 0.81
9 A' 1278 1233 74.67 5.25 0.75 0.86
10 A' 1117 1078 27.87 5.08 0.52 0.68
11 A' 1032 996 51.45 3.48 0.15 0.26
12 A' 903 871 9.91 5.69 0.33 0.49
13 A' 413 399 9.80 0.27 0.70 0.82
14 A" 3119 3010 30.23 45.74 0.75 0.86
15 A" 2988 2883 65.88 86.01 0.75 0.86
16 A" 1483 1431 3.77 14.19 0.75 0.86
17 A" 1295 1250 0.01 11.20 0.75 0.86
18 A" 1183 1142 4.43 2.26 0.75 0.86
19 A" 818 789 0.04 0.08 0.75 0.86
20 A" 286 276 80.42 3.13 0.75 0.86
21 A" 240 231 31.46 0.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17501.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16888.6 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 B3LYPultrafine/6-31G(2df,p)
ABC
1.17023 0.31249 0.27181

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.171 -0.414 0.000
C2 0.000 0.555 0.000
O3 -1.198 -0.210 0.000
H4 -1.942 0.400 0.000
H5 2.121 0.129 0.000
H6 1.136 -1.055 0.886
H7 1.136 -1.055 -0.886
H8 0.054 1.207 0.887
H9 0.054 1.207 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51982.37833.21791.09421.09391.09392.15922.1592
C21.51981.42111.94822.16322.15982.15981.10201.1020
O32.37831.42110.96153.33652.63572.63572.08802.0880
H43.21791.94820.96154.07203.51763.51762.32822.3282
H51.09422.16323.33654.07201.77701.77702.49402.4940
H61.09392.15982.63573.51761.77701.77172.50723.0704
H71.09392.15982.63573.51761.77701.77173.07042.5072
H82.15921.10202.08802.32822.49402.50723.07041.7731
H92.15921.10202.08802.32822.49403.07042.50721.7731

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.886 C1 C2 H8 109.854
C1 C2 H9 109.854 C2 C1 H5 110.633
C2 C1 H6 110.386 C2 C1 H7 110.386
C2 O3 H4 108.145 O3 C2 H8 111.064
O3 C2 H9 111.064 H5 C1 H6 108.604
H5 C1 H7 108.604 H6 C1 H7 108.160
H8 C2 H9 107.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 C -0.044      
3 O -0.416      
4 H 0.285      
5 H 0.111      
6 H 0.126      
7 H 0.126      
8 H 0.084      
9 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.018 1.414 0.000 1.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.454 -2.230 0.000
y -2.230 -19.618 0.000
z 0.000 0.000 -19.806
Traceless
 xyz
x 2.258 -2.230 0.000
y -2.230 -0.989 0.000
z 0.000 0.000 -1.270
Polar
3z2-r2-2.539
x2-y22.165
xy-2.230
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.602 -0.166 0.000
y -0.166 4.044 0.000
z 0.000 0.000 3.743


<r2> (average value of r2) Å2
<r2> 54.096
(<r2>)1/2 7.355