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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-155.061042
Energy at 298.15K-155.067700
HF Energy-155.061042
Nuclear repulsion energy82.131099
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 mPW1PW91/cc-pVTZ
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' 3896 3737 28.34 100.49 0.27 0.42
2 A' 3136 3008 25.60 58.29 0.74 0.85
3 A' 3059 2934 15.10 149.83 0.00 0.01
4 A' 2997 2875 67.96 133.64 0.08 0.15
5 A' 1531 1468 1.51 3.47 0.66 0.79
6 A' 1501 1440 2.60 11.57 0.75 0.86
7 A' 1462 1402 11.13 2.81 0.41 0.59
8 A' 1402 1344 3.13 0.15 0.73 0.84
9 A' 1278 1226 74.35 2.00 0.75 0.86
10 A' 1129 1083 39.75 5.13 0.62 0.76
11 A' 1048 1006 48.36 4.57 0.12 0.22
12 A' 914 877 10.04 4.63 0.31 0.47
13 A' 418 401 10.81 0.29 0.70 0.82
14 A" 3138 3010 29.12 44.63 0.75 0.86
15 A" 3025 2902 52.65 97.66 0.75 0.86
16 A" 1482 1422 6.18 7.40 0.75 0.86
17 A" 1305 1252 0.01 6.32 0.75 0.86
18 A" 1184 1136 4.09 0.96 0.75 0.86
19 A" 820 786 0.22 0.07 0.75 0.86
20 A" 279 268 74.83 2.02 0.75 0.86
21 A" 242 232 42.28 0.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17623.6 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 16904.5 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 mPW1PW91/cc-pVTZ
ABC
1.18498 0.31528 0.27455

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.405 0.000
C2 0.000 0.550 0.000
O3 -1.192 -0.214 0.000
H4 -1.938 0.386 0.000
H5 2.110 0.142 0.000
H6 1.137 -1.043 0.883
H7 1.137 -1.043 -0.883
H8 0.046 1.197 0.884
H9 0.046 1.197 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.50802.36713.20441.09021.08971.08972.14582.1458
C21.50801.41641.94542.14912.14692.14691.09661.0966
O32.36711.41640.95703.32162.62512.62512.07562.0756
H43.20441.94540.95704.05573.50363.50362.31962.3196
H51.09022.14913.32164.05571.76941.76942.48072.4807
H61.08972.14692.62513.50361.76941.76582.49123.0543
H71.08972.14692.62513.50361.76941.76583.05432.4912
H82.14581.09662.07562.31962.48072.49123.05431.7684
H92.14581.09662.07562.31962.48073.05432.49121.7684

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.040 C1 C2 H8 109.934
C1 C2 H9 109.934 C2 C1 H5 110.585
C2 C1 H6 110.441 C2 C1 H7 110.441
C2 O3 H4 108.555 O3 C2 H8 110.730
O3 C2 H9 110.730 H5 C1 H6 108.530
H5 C1 H7 108.530 H6 C1 H7 108.243
H8 C2 H9 107.478
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 C 0.055      
3 O -0.331      
4 H 0.187      
5 H 0.075      
6 H 0.090      
7 H 0.090      
8 H 0.042      
9 H 0.042      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.011 1.515 0.000 1.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.594 -2.277 0.000
y -2.277 -19.870 0.000
z 0.000 0.000 -20.001
Traceless
 xyz
x 2.342 -2.277 0.000
y -2.277 -1.072 0.000
z 0.000 0.000 -1.270
Polar
3z2-r2-2.540
x2-y22.276
xy-2.277
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.995 -0.193 0.000
y -0.193 4.481 0.000
z 0.000 0.000 4.089


<r2> (average value of r2) Å2
<r2> 53.808
(<r2>)1/2 7.335