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All results from a given calculation for CH3COOH (Acetic acid)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-229.178651
Energy at 298.15K-229.183462
HF Energy-229.178651
Nuclear repulsion energy121.066220
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 B3LYP/TZVP
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' 3739 3610 56.45      
2 A' 3166 3057 4.84      
3 A' 3057 2951 1.58      
4 A' 1821 1758 336.31      
5 A' 1476 1425 15.92      
6 A' 1413 1364 51.17      
7 A' 1339 1292 36.40      
8 A' 1204 1162 217.44      
9 A' 1000 966 79.49      
10 A' 857 828 4.15      
11 A' 588 567 37.38      
12 A' 428 413 4.72      
13 A" 3116 3008 4.28      
14 A" 1480 1429 10.88      
15 A" 1072 1035 7.76      
16 A" 665 642 105.23      
17 A" 546 528 28.40      
18 A" 68 65 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 13517.0 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 13049.3 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 B3LYP/TZVP
ABC
0.37818 0.31544 0.17764

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.070 -0.900 0.000
C2 0.000 0.156 0.000
O3 0.178 1.347 0.000
H4 2.048 -0.427 0.000
H5 0.963 -1.538 0.879
H6 0.963 -1.538 -0.879
O7 -1.242 -0.393 0.000
H8 -1.878 0.339 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 O7 H8
C11.50312.41731.08631.09121.09122.36693.1981
C21.50311.20422.12902.13722.13721.35811.8874
O32.41731.20422.57723.11583.11582.24602.2900
H41.08632.12902.57721.78391.78393.29014.0002
H51.09122.13723.11581.78391.75872.63563.5170
H61.09122.13723.11581.78391.75872.63563.5170
O72.36691.35812.24603.29012.63562.63560.9701
H83.19811.88742.29004.00023.51703.51700.9701

picture of Acetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 126.123 C1 C2 O7 111.532
C2 C1 H4 109.561 C2 C1 H5 109.921
C2 C1 H6 109.921 C2 O7 H8 107.136
O3 C2 O7 122.346 H4 C1 H5 110.015
H4 C1 H6 110.015 H5 C1 H6 107.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.370      
2 C 0.246      
3 O -0.316      
4 H 0.151      
5 H 0.143      
6 H 0.143      
7 O -0.288      
8 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.312 -1.681 0.000 1.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.286 -3.863 0.000
y -3.863 -27.802 0.000
z 0.000 0.000 -23.298
Traceless
 xyz
x 5.264 -3.863 0.000
y -3.863 -6.010 0.000
z 0.000 0.000 0.746
Polar
3z2-r21.493
x2-y27.516
xy-3.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.951 -0.065 0.000
y -0.065 5.231 0.000
z 0.000 0.000 3.392


<r2> (average value of r2) Å2
<r2> 71.229
(<r2>)1/2 8.440