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

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-266.909165
Energy at 298.15K-266.916624
HF Energy-266.909165
Nuclear repulsion energy180.068122
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 HF/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' 4125 3730 82.14      
2 A' 3258 2947 44.46      
3 A' 3207 2901 8.36      
4 A' 3196 2891 40.52      
5 A' 2016 1823 402.14      
6 A' 1635 1479 14.98      
7 A' 1601 1448 12.61      
8 A' 1571 1420 23.00      
9 A' 1544 1396 49.67      
10 A' 1440 1303 1.42      
11 A' 1311 1185 335.13      
12 A' 1183 1070 36.73      
13 A' 1078 975 1.26      
14 A' 885 801 10.62      
15 A' 673 609 33.95      
16 A' 503 454 22.11      
17 A' 270 244 2.92      
18 A" 3272 2959 49.50      
19 A" 3232 2923 6.26      
20 A" 1628 1473 6.28      
21 A" 1403 1269 0.16      
22 A" 1222 1105 2.58      
23 A" 887 802 27.11      
24 A" 716 648 133.05      
25 A" 566 512 29.39      
26 A" 235 213 0.00      
27 A" 63 57 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21359.6 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 19317.6 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 HF/6-311G*
ABC
0.34998 0.12821 0.09713

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.575 0.000
C2 -0.592 -0.809 0.000
C3 0.458 -1.911 0.000
O4 -0.944 1.513 0.000
O5 1.152 0.842 0.000
H6 -1.244 -0.880 0.865
H7 -1.244 -0.880 -0.865
H8 -0.021 -2.884 0.000
H9 1.094 -1.846 -0.873
H10 1.094 -1.846 0.873
H11 -0.530 2.362 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50582.52801.33061.18202.10162.10163.45942.79712.79711.8635
C21.50581.52202.34852.40131.08561.08562.15242.16402.16403.1714
C32.52801.52203.69972.83882.16942.16941.08421.08281.08284.3854
O41.33062.34853.69972.20052.56282.56284.49304.02504.02500.9441
O51.18202.40132.83882.20053.07503.07503.90582.82682.82682.2671
H62.10161.08562.16942.56283.07501.72992.50193.06982.53013.4308
H72.10161.08562.16942.56283.07501.72992.50192.53013.06983.4308
H83.45942.15241.08424.49303.90582.50192.50191.75581.75585.2705
H92.79712.16401.08284.02502.82683.06982.53011.75581.74694.5944
H102.79712.16401.08284.02502.82682.53013.06981.75581.74694.5944
H111.86353.17144.38540.94412.26713.43083.43085.27054.59444.5944

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 113.217 C1 C2 H6 107.273
C1 C2 H7 107.273 C1 O4 H11 108.830
C2 C1 O4 111.641 C2 C1 O5 126.191
C2 C3 H8 110.218 C2 C3 H9 111.240
C2 C3 H10 111.240 C3 C2 H6 111.506
C3 C2 H7 111.506 O4 C1 O5 122.168
H6 C2 H7 105.649 H8 C3 H9 108.239
H8 C3 H10 108.239 H9 C3 H10 107.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.610      
2 C -0.520      
3 C -0.601      
4 O -0.621      
5 O -0.448      
6 H 0.243      
7 H 0.243      
8 H 0.212      
9 H 0.222      
10 H 0.222      
11 H 0.437      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.614 -0.300 0.000 1.642
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.637 -0.566 0.000
y -0.566 -25.233 0.000
z 0.000 0.000 -29.341
Traceless
 xyz
x -8.351 -0.566 0.000
y -0.566 7.257 0.000
z 0.000 0.000 1.094
Polar
3z2-r22.188
x2-y2-10.405
xy-0.566
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.655 -0.059 0.000
y -0.059 5.867 0.000
z 0.000 0.000 4.185


<r2> (average value of r2) Å2
<r2> 122.745
(<r2>)1/2 11.079