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

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-229.043968
Energy at 298.15K-229.048686
HF Energy-229.043968
Nuclear repulsion energy120.451947
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 B97D3/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' 3663 3611 37.22      
2 A' 3121 3076 6.86      
3 A' 3007 2963 2.76      
4 A' 1772 1747 309.82      
5 A' 1448 1428 15.86      
6 A' 1376 1356 42.59      
7 A' 1305 1286 26.08      
8 A' 1167 1150 205.06      
9 A' 970 956 90.73      
10 A' 831 819 5.79      
11 A' 572 564 31.71      
12 A' 421 414 4.77      
13 A" 3070 3026 6.08      
14 A" 1452 1431 10.35      
15 A" 1043 1028 6.49      
16 A" 654 644 97.75      
17 A" 533 526 24.91      
18 A" 49 49 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 13227.1 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 13036.6 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 B97D3/TZVP
ABC
0.37259 0.31360 0.17586

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.081 -0.893 0.000
C2 0.000 0.158 0.000
O3 0.168 1.357 0.000
H4 2.058 -0.411 0.000
H5 0.979 -1.534 0.882
H6 0.979 -1.534 -0.882
O7 -1.245 -0.412 0.000
H8 -1.882 0.324 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 O7 H8
C11.50792.42861.09021.09531.09532.37513.2034
C21.50791.21062.13572.14482.14481.36921.8896
O32.42861.21062.58863.12983.12982.26382.2955
H41.09022.13572.58861.79061.79063.30344.0087
H51.09532.14483.12981.79061.76462.64253.5237
H61.09532.14483.12981.79061.76462.64253.5237
O72.37511.36922.26383.30342.64252.64250.9735
H83.20341.88962.29554.00873.52373.52370.9735

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 126.249 C1 C2 O7 111.190
C2 C1 H4 109.527 C2 C1 H5 109.947
C2 C1 H6 109.947 C2 O7 H8 106.295
O3 C2 O7 122.561 H4 C1 H5 110.032
H4 C1 H6 110.032 H5 C1 H6 107.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340      
2 C 0.196      
3 O -0.290      
4 H 0.144      
5 H 0.135      
6 H 0.135      
7 O -0.263      
8 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.302 -1.627 0.000 1.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.104 -3.681 0.000
y -3.681 -27.554 0.000
z 0.000 0.000 -23.172
Traceless
 xyz
x 5.259 -3.681 0.000
y -3.681 -5.916 0.000
z 0.000 0.000 0.657
Polar
3z2-r21.314
x2-y27.450
xy-3.681
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.174 -0.093 0.000
y -0.093 5.388 0.000
z 0.000 0.000 3.448


<r2> (average value of r2) Å2
<r2> 71.642
(<r2>)1/2 8.464