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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: TPSSh/aug-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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-155.108753
Energy at 298.15K-155.115356
HF Energy-155.108753
Nuclear repulsion energy81.650888
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 TPSSh/aug-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' 3792 3660 21.38 116.69 0.22 0.35
2 A' 3100 2992 29.91 57.22 0.75 0.86
3 A' 3031 2926 17.06 183.89 0.00 0.01
4 A' 2977 2874 68.45 145.83 0.07 0.13
5 A' 1531 1478 1.01 2.10 0.70 0.82
6 A' 1509 1456 2.63 7.58 0.75 0.86
7 A' 1444 1394 12.85 1.10 0.52 0.69
8 A' 1405 1356 0.44 0.08 0.26 0.42
9 A' 1264 1220 60.08 0.97 0.71 0.83
10 A' 1093 1055 25.03 6.33 0.40 0.57
11 A' 1026 990 64.38 5.30 0.16 0.27
12 A' 892 861 15.84 5.90 0.18 0.31
13 A' 404 390 10.61 0.34 0.61 0.76
14 A" 3105 2997 33.99 40.74 0.75 0.86
15 A" 3003 2899 47.95 103.22 0.75 0.86
16 A" 1492 1440 5.36 4.68 0.75 0.86
17 A" 1296 1251 0.02 3.62 0.75 0.86
18 A" 1175 1134 2.65 0.55 0.75 0.86
19 A" 809 781 0.13 0.18 0.75 0.86
20 A" 274 264 70.71 1.23 0.75 0.86
21 A" 229 221 40.31 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17426.0 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 16819.5 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 TPSSh/aug-cc-pVTZ
ABC
1.16962 0.31160 0.27112

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.177 -0.398 0.000
C2 0.000 0.557 0.000
O3 -1.199 -0.227 0.000
H4 -1.956 0.369 0.000
H5 2.116 0.161 0.000
H6 1.151 -1.036 0.885
H7 1.151 -1.036 -0.885
H8 0.032 1.201 0.888
H9 0.032 1.201 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51532.38203.22541.09241.09151.09152.15732.1573
C21.51531.43221.96482.15292.15522.15521.09731.0973
O32.38201.43220.96363.33752.63852.63852.08392.0839
H43.22541.96480.96364.07733.52323.52322.33082.3308
H51.09242.15293.33754.07731.77341.77342.49252.4925
H61.09152.15522.63853.52321.77341.77062.50093.0656
H71.09152.15522.63853.52321.77341.77063.06562.5009
H82.15731.09732.08392.33082.49252.50093.06561.7753
H92.15731.09732.08392.33082.49253.06562.50091.7753

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.794 C1 C2 H8 110.295
C1 C2 H9 110.295 C2 C1 H5 110.245
C2 C1 H6 110.480 C2 C1 H7 110.480
C2 O3 H4 108.603 O3 C2 H8 110.239
O3 C2 H9 110.239 H5 C1 H6 108.588
H5 C1 H7 108.588 H6 C1 H7 108.399
H8 C2 H9 107.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.321      
2 C 0.171      
3 O -0.454      
4 H 0.098      
5 H 0.108      
6 H 0.126      
7 H 0.126      
8 H 0.074      
9 H 0.074      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.140 1.547 0.000 1.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.600 -0.136 0.000
y -0.136 4.992 0.000
z 0.000 0.000 4.605


<r2> (average value of r2) Å2
<r2> 54.486
(<r2>)1/2 7.381