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All results from a given calculation for CH3CH2COOH (Propanoic Acid)

using model chemistry: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-268.351966
Energy at 298.15K 
HF Energy-268.351966
Nuclear repulsion energy179.020420
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 M06-2X/6-311G*
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' 3808 3808 53.98      
2 A' 3148 3148 15.90      
3 A' 3082 3082 9.51      
4 A' 3072 3072 16.56      
5 A' 1893 1893 309.62      
6 A' 1519 1519 15.78      
7 A' 1480 1480 16.07      
8 A' 1446 1446 34.56      
9 A' 1428 1428 41.42      
10 A' 1337 1337 6.15      
11 A' 1210 1210 291.61      
12 A' 1106 1106 29.35      
13 A' 1023 1023 3.00      
14 A' 840 840 11.92      
15 A' 629 629 23.85      
16 A' 476 476 20.30      
17 A' 252 252 3.07      
18 A" 3156 3156 18.00      
19 A" 3115 3115 1.83      
20 A" 1510 1510 9.31      
21 A" 1296 1296 0.13      
22 A" 1120 1120 0.68      
23 A" 816 816 27.86      
24 A" 684 684 113.59      
25 A" 525 525 22.20      
26 A" 151 151 0.00      
27 A" 27i 27i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20045.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20045.6 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 M06-2X/6-311G*
ABC
0.34238 0.12846 0.09672

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.568 0.000
C2 -0.606 -0.811 0.000
C3 0.451 -1.903 0.000
O4 -0.949 1.526 0.000
O5 1.171 0.823 0.000
H6 -1.264 -0.879 0.871
H7 -1.264 -0.879 -0.871
H8 -0.015 -2.890 0.000
H9 1.092 -1.824 -0.878
H10 1.092 -1.824 0.878
H11 -0.495 2.380 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50612.51231.34821.19872.10942.10943.45752.77252.77251.8785
C21.50611.52042.36192.41431.09381.09382.16112.16382.16383.1928
C32.51231.52043.70422.82012.17962.17961.09061.09031.09034.3868
O41.34822.36193.70422.23332.57722.57724.51334.02004.02000.9668
O51.19872.41432.82012.23333.09613.09613.89752.79042.79042.2806
H62.10941.09382.17962.57723.09611.74242.52243.08312.53863.4597
H72.10941.09382.17962.57723.09611.74242.52242.53863.08313.4597
H83.45752.16111.09064.51333.89752.52242.52241.76971.76975.2914
H92.77252.16381.09034.02002.79043.08312.53861.76971.75694.5789
H102.77252.16381.09034.02002.79042.53863.08311.76971.75694.5789
H111.87853.19284.38680.96682.28063.45973.45975.29144.57894.5789

picture of Propanoic Acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.215 C1 C2 H6 107.391
C1 C2 H7 107.391 C1 O4 H11 107.329
C2 C1 O4 111.561 C2 C1 O5 126.021
C2 C3 H8 110.648 C2 C3 H9 110.885
C2 C3 H10 110.885 C3 C2 H6 111.936
C3 C2 H7 111.936 O4 C1 O5 122.418
H6 C2 H7 105.595 H8 C3 H9 108.476
H8 C3 H10 108.476 H9 C3 H10 107.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.485      
2 C -0.571      
3 C -0.663      
4 O -0.540      
5 O -0.360      
6 H 0.264      
7 H 0.264      
8 H 0.231      
9 H 0.240      
10 H 0.240      
11 H 0.410      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.418 -0.201 0.000 1.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.213 -0.283 0.000
y -0.283 -25.163 0.000
z 0.000 0.000 -29.535
Traceless
 xyz
x -7.864 -0.283 0.000
y -0.283 7.211 0.000
z 0.000 0.000 0.653
Polar
3z2-r21.306
x2-y2-10.050
xy-0.283
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.025 -0.148 0.000
y -0.148 6.472 0.000
z 0.000 0.000 4.336


<r2> (average value of r2) Å2
<r2> 123.090
(<r2>)1/2 11.095