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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G*
 hartrees
Energy at 0K-268.184251
Energy at 298.15K-268.191430
HF Energy-268.184251
Nuclear repulsion energy178.982038
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 HSEh1PBE/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' 3783 3630 38.00      
2 A' 3146 3019 25.03      
3 A' 3071 2947 19.08      
4 A' 3067 2943 16.37      
5 A' 1866 1791 290.91      
6 A' 1517 1455 15.86      
7 A' 1472 1413 18.94      
8 A' 1441 1383 22.41      
9 A' 1425 1367 47.71      
10 A' 1329 1276 1.87      
11 A' 1199 1150 266.85      
12 A' 1107 1062 42.49      
13 A' 1026 984 3.20      
14 A' 835 802 13.42      
15 A' 625 600 21.79      
16 A' 474 454 21.87      
17 A' 252 242 2.79      
18 A" 3150 3023 26.11      
19 A" 3098 2973 4.35      
20 A" 1511 1450 9.75      
21 A" 1295 1242 0.14      
22 A" 1119 1074 0.45      
23 A" 821 788 26.07      
24 A" 690 662 104.91      
25 A" 529 507 23.26      
26 A" 212 203 0.00      
27 A" 43 41 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20050.3 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 19240.2 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 HSEh1PBE/6-311G*
ABC
0.34168 0.12835 0.09659

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.570 0.000
C2 -0.597 -0.810 0.000
C3 0.450 -1.906 0.000
O4 -0.956 1.519 0.000
O5 1.172 0.834 0.000
H6 -1.260 -0.881 0.870
H7 -1.260 -0.881 -0.870
H8 -0.022 -2.891 0.000
H9 1.095 -1.836 -0.878
H10 1.095 -1.836 0.878
H11 -0.501 2.372 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50302.51611.34711.20152.10912.10913.46062.78502.78501.8704
C21.50301.51602.35642.41501.09561.09562.15922.16472.16473.1828
C32.51611.51603.70242.83372.17472.17471.09231.09161.09164.3820
O41.34712.35643.70242.23492.57132.57134.50794.02884.02880.9660
O51.20152.41502.83372.23493.10043.10043.91192.81212.81212.2720
H62.10911.09562.17472.57133.10041.73902.51523.08362.54033.4517
H72.10911.09562.17472.57133.10041.73902.51522.54033.08363.4517
H83.46062.15921.09234.50793.91192.51522.51521.76951.76955.2843
H92.78502.16471.09164.02882.81213.08362.54031.76951.75694.5848
H102.78502.16471.09164.02882.81212.54033.08361.76951.75694.5848
H111.87043.18284.38200.96602.27203.45173.45175.28434.58484.5848

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 112.905 C1 C2 H6 107.476
C1 C2 H7 107.476 C1 O4 H11 106.760
C2 C1 O4 111.421 C2 C1 O5 126.133
C2 C3 H8 110.700 C2 C3 H9 111.181
C2 C3 H10 111.181 C3 C2 H6 111.746
C3 C2 H7 111.746 O4 C1 O5 122.445
H6 C2 H7 105.055 H8 C3 H9 108.235
H8 C3 H10 108.235 H9 C3 H10 107.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.444      
2 C -0.550      
3 C -0.659      
4 O -0.513      
5 O -0.339      
6 H 0.257      
7 H 0.257      
8 H 0.227      
9 H 0.237      
10 H 0.237      
11 H 0.402      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.455 -0.167 0.000 1.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.930 -0.411 0.000
y -0.411 -25.074 0.000
z 0.000 0.000 -29.370
Traceless
 xyz
x -7.708 -0.411 0.000
y -0.411 7.076 0.000
z 0.000 0.000 0.632
Polar
3z2-r21.264
x2-y2-9.856
xy-0.411
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.093 -0.137 0.000
y -0.137 6.642 0.000
z 0.000 0.000 4.391


<r2> (average value of r2) Å2
<r2> 123.115
(<r2>)1/2 11.096