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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-268.362877
Energy at 298.15K 
HF Energy-268.362877
Nuclear repulsion energy179.065589
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' 3839 3839 79.58      
2 A' 3140 3140 13.31      
3 A' 3072 3072 8.73      
4 A' 3062 3062 14.02      
5 A' 1892 1892 304.16      
6 A' 1503 1503 16.52      
7 A' 1466 1466 14.73      
8 A' 1438 1438 51.90      
9 A' 1416 1416 33.72      
10 A' 1324 1324 1.07      
11 A' 1202 1202 278.65      
12 A' 1102 1102 30.43      
13 A' 1018 1018 3.22      
14 A' 839 839 12.29      
15 A' 629 629 23.03      
16 A' 476 476 19.11      
17 A' 252 252 3.19      
18 A" 3146 3146 14.95      
19 A" 3107 3107 1.19      
20 A" 1492 1492 8.94      
21 A" 1284 1284 0.11      
22 A" 1112 1112 0.62      
23 A" 812 812 23.39      
24 A" 661 661 95.65      
25 A" 520 520 25.67      
26 A" 155 155 0.01      
27 A" 18i 18i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19969.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19969.5 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 M06-2X/6-311G**
ABC
0.34248 0.12855 0.09678

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 -0.607 -0.810 0.000
C3 0.450 -1.903 0.000
O4 -0.947 1.527 0.000
O5 1.172 0.820 0.000
H6 -1.263 -0.875 0.873
H7 -1.263 -0.875 -0.873
H8 -0.017 -2.889 0.000
H9 1.090 -1.821 -0.879
H10 1.090 -1.821 0.879
H11 -0.486 2.376 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50652.51231.34821.19852.10732.10733.45702.76902.76901.8719
C21.50651.52062.36252.41301.09361.09362.16042.16182.16183.1888
C32.51231.52063.70452.81722.18052.18051.09041.09031.09034.3806
O41.34822.36253.70452.23442.57542.57544.51304.01664.01660.9660
O51.19852.41302.81722.23443.09263.09263.89432.78402.78402.2738
H62.10731.09362.18052.57543.09261.74502.52373.08222.53623.4548
H72.10731.09362.18052.57543.09261.74502.52372.53623.08223.4548
H83.45702.16041.09044.51303.89432.52372.52371.77171.77175.2855
H92.76902.16181.09034.01662.78403.08222.53621.77171.75794.5681
H102.76902.16181.09034.01662.78402.53623.08221.77171.75794.5681
H111.87193.18884.38060.96602.27383.45483.45485.28554.56814.5681

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 112.184 C1 C2 H6 107.214
C1 C2 H7 107.214 C1 O4 H11 106.807
C2 C1 O4 111.578 C2 C1 O5 125.880
C2 C3 H8 110.584 C2 C3 H9 110.698
C2 C3 H10 110.698 C3 C2 H6 112.004
C3 C2 H7 112.004 O4 C1 O5 122.543
H6 C2 H7 105.840 H8 C3 H9 108.668
H8 C3 H10 108.668 H9 C3 H10 107.433
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 0.415      
2 C -0.378      
3 C -0.370      
4 O -0.369      
5 O -0.363      
6 H 0.178      
7 H 0.178      
8 H 0.140      
9 H 0.150      
10 H 0.150      
11 H 0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.463 -0.266 0.000 1.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.972 -0.350 0.000
y -0.350 -25.296 0.000
z 0.000 0.000 -29.454
Traceless
 xyz
x -7.596 -0.350 0.000
y -0.350 6.917 0.000
z 0.000 0.000 0.679
Polar
3z2-r21.359
x2-y2-9.676
xy-0.350
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.086 -0.158 0.000
y -0.158 6.579 0.000
z 0.000 0.000 4.419


<r2> (average value of r2) Å2
<r2> 122.953
(<r2>)1/2 11.088