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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-30.845112
Energy at 298.15K-30.851750
HF Energy-30.845112
Nuclear repulsion energy48.333726
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3654 3561 4.43 147.66 0.31 0.47
2 A' 3086 3007 48.75 65.20 0.74 0.85
3 A' 2999 2923 23.64 173.27 0.01 0.02
4 A' 2955 2879 83.57 115.35 0.14 0.24
5 A' 1539 1500 1.31 2.05 0.69 0.82
6 A' 1519 1480 6.18 28.38 0.75 0.86
7 A' 1445 1408 19.11 4.98 0.57 0.73
8 A' 1420 1383 1.74 0.99 0.47 0.64
9 A' 1242 1211 62.43 8.43 0.67 0.80
10 A' 1087 1059 6.79 9.04 0.49 0.66
11 A' 1022 996 78.14 5.53 0.24 0.39
12 A' 880 857 23.71 9.15 0.33 0.50
13 A' 401 391 15.50 0.44 0.68 0.81
14 A" 3101 3022 56.45 46.13 0.75 0.86
15 A" 3003 2927 72.13 112.39 0.75 0.86
16 A" 1500 1462 7.43 14.23 0.75 0.86
17 A" 1286 1253 0.59 15.04 0.75 0.86
18 A" 1164 1135 4.16 4.75 0.75 0.86
19 A" 825 804 0.27 0.04 0.75 0.86
20 A" 293 285 140.48 5.74 0.75 0.86
21 A" 237 231 38.40 0.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17329.4 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 16887.5 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 B3LYP/CEP-121G
ABC
1.12543 0.30254 0.26223

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.201 -0.378 0.000
C2 0.000 0.576 0.000
O3 -1.215 -0.261 0.000
H4 -2.019 0.300 0.000
H5 2.141 0.190 0.000
H6 1.178 -1.019 0.889
H7 1.178 -1.019 -0.889
H8 0.017 1.221 0.895
H9 0.017 1.221 -0.895

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.53382.41833.29011.09861.09631.09632.18112.1811
C21.53381.47512.03742.17602.17312.17311.10301.1030
O32.41831.47510.98043.38612.66242.66242.12462.1246
H43.29012.03740.98044.16153.57033.57032.40712.4071
H51.09862.17603.38614.16151.78341.78342.52492.5249
H61.09632.17312.66243.57031.78341.77792.52253.0896
H71.09632.17312.66243.57031.78341.77793.08962.5225
H82.18111.10302.12462.40712.52492.52253.08961.7899
H92.18111.10302.12462.40712.52493.08962.52251.7899

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.953 C1 C2 H8 110.556
C1 C2 H9 110.556 C2 C1 H5 110.413
C2 C1 H6 110.324 C2 C1 H7 110.324
C2 O3 H4 110.524 O3 C2 H8 110.156
O3 C2 H9 110.156 H5 C1 H6 108.682
H5 C1 H7 108.682 H6 C1 H7 108.359
H8 C2 H9 108.468
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.436      
2 C -0.109      
3 O -0.483      
4 H 0.331      
5 H 0.134      
6 H 0.159      
7 H 0.159      
8 H 0.123      
9 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.108 2.007 0.000 2.010
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.408 -2.786 0.000
y -2.786 -20.465 0.000
z 0.000 0.000 -20.306
Traceless
 xyz
x 2.977 -2.786 0.000
y -2.786 -1.607 0.000
z 0.000 0.000 -1.370
Polar
3z2-r2-2.739
x2-y23.056
xy-2.786
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.882 -0.090 0.000
y -0.090 4.229 0.000
z 0.000 0.000 3.844


<r2> (average value of r2) Å2
<r2> 48.841
(<r2>)1/2 6.989