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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: HF/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-154.156397
Energy at 298.15K-154.163209
HF Energy-154.156397
Nuclear repulsion energy82.542932
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 HF/aug-cc-pVQZ
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' 4178 3796 57.39 83.92 0.22 0.36
2 A' 3224 2929 48.22 52.08 0.75 0.86
3 A' 3164 2875 20.70 202.90 0.01 0.01
4 A' 3132 2846 74.18 105.86 0.10 0.19
5 A' 1653 1501 1.99 2.62 0.74 0.85
6 A' 1617 1469 2.67 4.99 0.74 0.85
7 A' 1585 1440 14.12 2.56 0.33 0.50
8 A' 1524 1385 0.34 0.01 0.65 0.79
9 A' 1372 1246 100.84 0.74 0.53 0.69
10 A' 1200 1090 35.15 6.03 0.58 0.74
11 A' 1120 1017 61.65 4.33 0.19 0.32
12 A' 965 876 7.15 9.17 0.17 0.29
13 A' 448 407 11.27 0.35 0.50 0.66
14 A" 3234 2938 54.54 34.21 0.75 0.86
15 A" 3153 2864 54.06 91.99 0.75 0.86
16 A" 1598 1452 4.78 4.31 0.75 0.86
17 A" 1412 1283 0.23 3.58 0.75 0.86
18 A" 1285 1168 4.84 0.23 0.75 0.86
19 A" 877 797 0.00 0.05 0.75 0.86
20 A" 299 271 81.23 0.83 0.75 0.86
21 A" 261 237 50.19 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18649.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 16942.8 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 HF/aug-cc-pVQZ
ABC
1.20685 0.31573 0.27564

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.166 -0.416 0.000
C2 0.000 0.547 0.000
O3 -1.191 -0.196 0.000
H4 -1.934 0.377 0.000
H5 2.103 0.127 0.000
H6 1.134 -1.049 0.877
H7 1.134 -1.049 -0.877
H8 0.046 1.187 0.877
H9 0.046 1.187 -0.877

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51222.36683.19951.08361.08241.08242.14302.1430
C21.51221.40321.94112.14482.14592.14591.08651.0865
O32.36681.40320.93823.30972.62762.62762.05142.0514
H43.19951.94110.93824.04483.49543.49542.31142.3114
H51.08362.14483.30974.04481.75861.75862.47492.4749
H61.08242.14592.62763.49541.75861.75472.48693.0434
H71.08242.14592.62763.49541.75861.75473.04342.4869
H82.14301.08652.05142.31142.47492.48693.04341.7540
H92.14301.08652.05142.31142.47493.04342.48691.7540

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.491 C1 C2 H8 110.031
C1 C2 H9 110.031 C2 C1 H5 110.344
C2 C1 H6 110.497 C2 C1 H7 110.497
C2 O3 H4 110.426 O3 C2 H8 110.320
O3 C2 H9 110.320 H5 C1 H6 108.568
H5 C1 H7 108.568 H6 C1 H7 108.302
H8 C2 H9 107.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.862      
2 C 0.016      
3 O -0.759      
4 H 0.302      
5 H 0.262      
6 H 0.262      
7 H 0.262      
8 H 0.259      
9 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.120 1.640 0.000 1.644
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.874 -2.463 0.000
y -2.463 -19.994 0.000
z 0.000 0.000 -20.098
Traceless
 xyz
x 2.172 -2.463 0.000
y -2.463 -1.008 0.000
z 0.000 0.000 -1.164
Polar
3z2-r2-2.327
x2-y22.120
xy-2.463
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.945 -0.128 0.000
y -0.128 4.485 0.000
z 0.000 0.000 4.179


<r2> (average value of r2) Å2
<r2> 53.700
(<r2>)1/2 7.328