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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B2PLYP/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 B2PLYP/3-21G
 hartrees
Energy at 0K-153.954366
Energy at 298.15K-153.961067
HF Energy-153.853306
Nuclear repulsion energy80.857336
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/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' 3496 3496 0.91 135.73 0.32 0.48
2 A' 3163 3163 23.58 52.91 0.75 0.86
3 A' 3092 3092 11.37 95.08 0.02 0.03
4 A' 3023 3023 53.86 95.21 0.15 0.26
5 A' 1618 1618 2.14 6.88 0.70 0.82
6 A' 1592 1592 5.81 30.90 0.75 0.86
7 A' 1488 1488 10.01 4.05 0.64 0.78
8 A' 1478 1478 6.62 2.28 0.68 0.81
9 A' 1302 1302 67.70 10.82 0.74 0.85
10 A' 1126 1126 0.85 6.50 0.43 0.61
11 A' 1009 1009 57.49 2.34 0.31 0.48
12 A' 901 901 9.76 8.03 0.31 0.47
13 A' 401 401 14.65 0.33 0.73 0.85
14 A" 3171 3171 26.72 40.85 0.75 0.86
15 A" 3049 3049 69.64 81.93 0.75 0.86
16 A" 1572 1572 5.02 21.17 0.75 0.86
17 A" 1345 1345 1.39 15.45 0.75 0.86
18 A" 1199 1199 3.82 7.90 0.75 0.86
19 A" 872 872 0.12 0.04 0.75 0.86
20 A" 315 315 129.14 8.98 0.75 0.86
21 A" 245 245 17.46 0.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17729.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17729.3 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/3-21G
ABC
1.11205 0.31136 0.26776

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.182 -0.387 0.000
C2 0.000 0.583 0.000
O3 -1.198 -0.261 0.000
H4 -1.990 0.337 0.000
H5 2.130 0.157 0.000
H6 1.128 -1.022 0.886
H7 1.128 -1.022 -0.886
H8 0.046 1.228 0.888
H9 0.046 1.228 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52932.38333.25401.09271.09161.09162.16512.1651
C21.52931.46532.00542.17272.15322.15321.09831.0983
O32.38331.46530.99263.35422.60302.60302.13362.1336
H43.25402.00540.99264.12463.51543.51542.39352.3935
H51.09272.17273.35424.12461.78281.78282.50632.5063
H61.09162.15322.60303.51541.78281.77182.49733.0631
H71.09162.15322.60303.51541.78281.77183.06312.4973
H82.16511.09832.13362.39352.50632.49733.06311.7757
H92.16511.09832.13362.39352.50633.06312.49731.7757

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.456 C1 C2 H8 109.884
C1 C2 H9 109.884 C2 C1 H5 110.820
C2 C1 H6 109.342 C2 C1 H7 109.342
C2 O3 H4 107.798 O3 C2 H8 111.865
O3 C2 H9 111.865 H5 C1 H6 109.403
H5 C1 H7 109.403 H6 C1 H7 108.492
H8 C2 H9 107.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.557      
2 C -0.137      
3 O -0.563      
4 H 0.336      
5 H 0.179      
6 H 0.204      
7 H 0.204      
8 H 0.168      
9 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.063 1.730 0.000 1.731
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.291 -2.390 -0.010
y -2.390 -19.938 -0.002
z -0.010 -0.002 -20.018
Traceless
 xyz
x 2.687 -2.390 -0.010
y -2.390 -1.284 -0.002
z -0.010 -0.002 -1.404
Polar
3z2-r2-2.808
x2-y22.647
xy-2.390
xz-0.010
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.190 -0.103 0.000
y -0.103 3.510 0.000
z 0.000 0.000 3.148


<r2> (average value of r2) Å2
<r2> 54.707
(<r2>)1/2 7.396