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

using model chemistry: SVWN/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at SVWN/6-31G**
 hartrees
Energy at 0K-227.918646
Energy at 298.15K-227.923405
Nuclear repulsion energy121.338448
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 SVWN/6-31G**
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' 3636 3577 42.32      
2 A' 3143 3092 0.68      
3 A' 3011 2962 0.12      
4 A' 1848 1818 259.50      
5 A' 1413 1390 28.24      
6 A' 1391 1369 118.45      
7 A' 1301 1280 11.07      
8 A' 1182 1162 180.86      
9 A' 959 943 27.89      
10 A' 880 865 4.50      
11 A' 568 558 48.29      
12 A' 408 402 5.29      
13 A" 3091 3040 0.31      
14 A" 1414 1391 13.11      
15 A" 1020 1003 12.91      
16 A" 701 689 102.14      
17 A" 533 524 16.23      
18 A" 72 71 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 13285.1 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 13068.5 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 SVWN/6-31G**
ABC
0.37992 0.31909 0.17925

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.052 -0.904 0.000
C2 0.000 0.149 0.000
O3 0.186 1.347 0.000
H4 2.042 -0.434 0.000
H5 0.939 -1.551 0.885
H6 0.939 -1.551 -0.885
O7 -1.235 -0.387 0.000
H8 -1.838 0.390 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 O7 H8
C11.48822.41191.09691.10191.10192.34403.1658
C21.48821.21252.12372.13392.13391.34611.8536
O32.41191.21252.57243.12213.12212.24182.2387
H41.09692.12372.57241.80261.80263.27743.9665
H51.10192.13393.12211.80261.77022.61953.5012
H61.10192.13393.12211.80261.77022.61953.5012
O72.34401.34612.24183.27742.61952.61950.9835
H83.16581.85362.23873.96653.50123.50120.9835

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 126.226 C1 C2 O7 111.490
C2 C1 H4 109.551 C2 C1 H5 110.057
C2 C1 H6 110.057 C2 O7 H8 104.356
O3 C2 O7 122.284 H4 C1 H5 110.133
H4 C1 H6 110.133 H5 C1 H6 106.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.493      
2 C 0.445      
3 O -0.401      
4 H 0.180      
5 H 0.183      
6 H 0.183      
7 O -0.434      
8 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.446 -1.552 0.000 1.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.690 -3.636 0.000
y -3.636 -26.366 0.000
z 0.000 0.000 -22.740
Traceless
 xyz
x 4.864 -3.636 0.000
y -3.636 -5.151 0.000
z 0.000 0.000 0.288
Polar
3z2-r20.575
x2-y26.677
xy-3.636
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.655 -0.176 0.000
y -0.176 4.725 0.000
z 0.000 0.000 2.870


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000