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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-154.967918
Energy at 298.15K-154.974570
HF Energy-154.774562
Nuclear repulsion energy81.906759
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 B2PLYP/6-311+G(3df,2p)
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' 3871 3871 31.66 101.43 0.23 0.37
2 A' 3131 3131 25.52 53.70 0.75 0.85
3 A' 3057 3057 14.64 159.88 0.00 0.01
4 A' 3009 3009 62.60 121.45 0.08 0.14
5 A' 1543 1543 1.53 2.51 0.75 0.86
6 A' 1517 1517 2.97 6.83 0.75 0.85
7 A' 1458 1458 11.72 1.63 0.31 0.47
8 A' 1414 1414 1.41 0.01 0.71 0.83
9 A' 1271 1271 65.26 1.07 0.75 0.86
10 A' 1108 1108 29.59 6.18 0.42 0.60
11 A' 1043 1043 60.22 4.76 0.17 0.30
12 A' 906 906 13.09 6.24 0.17 0.30
13 A' 419 419 11.08 0.30 0.59 0.74
14 A" 3136 3136 28.55 37.26 0.75 0.86
15 A" 3040 3040 41.76 93.01 0.75 0.86
16 A" 1498 1498 6.19 4.61 0.75 0.86
17 A" 1309 1309 0.00 3.89 0.75 0.86
18 A" 1190 1190 3.00 0.47 0.75 0.86
19 A" 825 825 0.17 0.12 0.75 0.86
20 A" 282 282 71.85 1.04 0.75 0.86
21 A" 238 238 47.82 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17631.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17631.8 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 B2PLYP/6-311+G(3df,2p)
ABC
1.17661 0.31353 0.27277

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.173 -0.400 0.000
C2 0.000 0.556 0.000
O3 -1.195 -0.222 0.000
H4 -1.952 0.365 0.000
H5 2.112 0.152 0.000
H6 1.144 -1.036 0.883
H7 1.144 -1.036 -0.883
H8 0.036 1.199 0.884
H9 0.036 1.199 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51272.37433.21781.08931.08861.08862.15202.1520
C21.51271.42571.96172.15062.14982.14981.09421.0942
O32.37431.42570.95913.32822.62882.62882.07742.0774
H43.21781.96170.95914.07053.51173.51172.33002.3300
H51.08932.15063.32824.07051.76861.76862.48832.4883
H61.08862.14982.62883.51171.76861.76502.49483.0572
H71.08862.14982.62883.51171.76861.76503.05722.4948
H82.15201.09422.07742.33002.48832.49483.05721.7690
H92.15201.09422.07742.33002.48833.05722.49481.7690

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.768 C1 C2 H8 110.241
C1 C2 H9 110.241 C2 C1 H5 110.430
C2 C1 H6 110.407 C2 C1 H7 110.407
C2 O3 H4 109.121 O3 C2 H8 110.366
O3 C2 H9 110.366 H5 C1 H6 108.602
H5 C1 H7 108.602 H6 C1 H7 108.330
H8 C2 H9 107.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.370      
2 C 0.056      
3 O -0.616      
4 H 0.218      
5 H 0.145      
6 H 0.147      
7 H 0.147      
8 H 0.136      
9 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.150 1.615 0.000 1.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.098 -2.451 -0.008
y -2.451 -20.332 -0.001
z -0.008 -0.001 -20.465
Traceless
 xyz
x 2.301 -2.451 -0.008
y -2.451 -1.051 -0.001
z -0.008 -0.001 -1.250
Polar
3z2-r2-2.500
x2-y22.234
xy-2.451
xz-0.008
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.308 -0.112 0.000
y -0.112 4.722 0.000
z 0.000 0.000 4.385


<r2> (average value of r2) Å2
<r2> 54.337
(<r2>)1/2 7.371