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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: HF/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/cc-pVQZ
 hartrees
Energy at 0K-154.155574
Energy at 298.15K-154.162388
HF Energy-154.155574
Nuclear repulsion energy82.554775
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/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 3795 56.63 83.08 0.24 0.39
2 A' 3224 2929 49.16 55.23 0.75 0.86
3 A' 3164 2874 20.76 190.34 0.01 0.02
4 A' 3131 2844 75.68 104.98 0.12 0.21
5 A' 1654 1502 1.88 3.15 0.74 0.85
6 A' 1617 1469 2.81 6.60 0.73 0.84
7 A' 1587 1441 13.79 3.22 0.30 0.46
8 A' 1525 1385 0.44 0.03 0.69 0.82
9 A' 1373 1247 102.47 1.08 0.54 0.70
10 A' 1202 1092 33.79 5.98 0.64 0.78
11 A' 1120 1018 61.42 4.26 0.19 0.32
12 A' 965 877 6.79 8.71 0.21 0.34
13 A' 448 407 11.22 0.31 0.54 0.70
14 A" 3234 2938 55.63 36.96 0.75 0.86
15 A" 3152 2863 57.79 96.87 0.75 0.86
16 A" 1599 1452 4.60 5.54 0.75 0.86
17 A" 1413 1283 0.22 4.68 0.75 0.86
18 A" 1286 1168 5.22 0.33 0.75 0.86
19 A" 878 797 0.01 0.04 0.75 0.86
20 A" 299 272 83.77 1.24 0.75 0.86
21 A" 262 238 48.50 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18654.0 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 16945.3 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 HF/cc-pVQZ
ABC
1.20669 0.31590 0.27576

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.165 -0.417 0.000
C2 0.000 0.547 0.000
O3 -1.190 -0.195 0.000
H4 -1.933 0.379 0.000
H5 2.103 0.126 0.000
H6 1.133 -1.050 0.877
H7 1.133 -1.050 -0.877
H8 0.047 1.187 0.877
H9 0.047 1.187 -0.877

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51222.36613.19841.08361.08241.08242.14272.1427
C21.51221.40271.93982.14522.14582.14581.08661.0866
O32.36611.40270.93813.30932.62682.62682.05172.0517
H43.19841.93980.93814.04393.49443.49442.31102.3110
H51.08362.14523.30934.04391.75861.75862.47472.4747
H61.08242.14582.62683.49441.75861.75462.48673.0431
H71.08242.14582.62683.49441.75861.75463.04312.4867
H82.14271.08662.05172.31102.47472.48673.04311.7537
H92.14271.08662.05172.31102.47473.04312.48671.7537

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.472 C1 C2 H8 109.998
C1 C2 H9 109.998 C2 C1 H5 110.372
C2 C1 H6 110.490 C2 C1 H7 110.490
C2 O3 H4 110.356 O3 C2 H8 110.381
O3 C2 H9 110.381 H5 C1 H6 108.564
H5 C1 H7 108.564 H6 C1 H7 108.295
H8 C2 H9 107.611
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.214      
2 C 0.199      
3 O -0.459      
4 H 0.224      
5 H 0.060      
6 H 0.083      
7 H 0.083      
8 H 0.012      
9 H 0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.093 1.633 0.000 1.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.808 -2.433 0.000
y -2.433 -19.947 0.000
z 0.000 0.000 -20.056
Traceless
 xyz
x 2.194 -2.433 0.000
y -2.433 -1.016 0.000
z 0.000 0.000 -1.178
Polar
3z2-r2-2.356
x2-y22.140
xy-2.433
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.789 -0.146 0.000
y -0.146 4.349 0.000
z 0.000 0.000 4.026


<r2> (average value of r2) Å2
<r2> 53.652
(<r2>)1/2 7.325