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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G*
 hartrees
Energy at 0K-268.161040
Energy at 298.15K-268.168221
HF Energy-268.161040
Nuclear repulsion energy178.998002
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 PBE1PBE/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' 3791 3633 38.73      
2 A' 3148 3018 24.11      
3 A' 3073 2945 17.21      
4 A' 3069 2942 17.31      
5 A' 1870 1792 291.34      
6 A' 1517 1454 16.21      
7 A' 1472 1411 19.24      
8 A' 1442 1383 26.14      
9 A' 1425 1366 45.97      
10 A' 1329 1274 1.86      
11 A' 1201 1151 266.32      
12 A' 1108 1062 40.09      
13 A' 1026 984 3.41      
14 A' 836 802 13.81      
15 A' 625 599 22.07      
16 A' 474 454 21.91      
17 A' 251 241 2.78      
18 A" 3153 3022 25.13      
19 A" 3101 2972 4.09      
20 A" 1510 1448 9.79      
21 A" 1294 1241 0.15      
22 A" 1119 1073 0.45      
23 A" 821 787 26.49      
24 A" 691 662 104.82      
25 A" 529 507 23.26      
26 A" 212 203 0.00      
27 A" 44 42 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20065.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 19232.3 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 PBE1PBE/6-311G*
ABC
0.34170 0.12838 0.09661

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 -0.955 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 1.094 -1.836 -0.879
H10 1.094 -1.836 0.879
H11 -0.500 2.371 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50302.51611.34651.20152.10912.10913.46062.78502.78501.8693
C21.50301.51592.35602.41501.09571.09572.15912.16472.16473.1820
C32.51611.51593.70182.83372.17472.17471.09251.09181.09184.3809
O41.34652.35603.70182.23452.57112.57114.50744.02824.02820.9658
O51.20152.41502.83372.23453.10053.10053.91202.81212.81212.2707
H62.10911.09572.17472.57113.10051.73942.51523.08372.54023.4511
H72.10911.09572.17472.57113.10051.73942.51522.54023.08373.4511
H83.46062.15911.09254.50743.91202.51522.51521.76981.76985.2834
H92.78502.16471.09184.02822.81213.08372.54021.76981.75734.5836
H102.78502.16471.09184.02822.81212.54023.08371.76981.75734.5836
H111.86933.18204.38090.96582.27073.45113.45115.28344.58364.5836

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 112.906 C1 C2 H6 107.470
C1 C2 H7 107.470 C1 O4 H11 106.719
C2 C1 O4 111.422 C2 C1 O5 126.131
C2 C3 H8 110.694 C2 C3 H9 111.177
C2 C3 H10 111.177 C3 C2 H6 111.744
C3 C2 H7 111.744 O4 C1 O5 122.447
H6 C2 H7 105.071 H8 C3 H9 108.239
H8 C3 H10 108.239 H9 C3 H10 107.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.449      
2 C -0.554      
3 C -0.660      
4 O -0.515      
5 O -0.342      
6 H 0.258      
7 H 0.258      
8 H 0.227      
9 H 0.238      
10 H 0.238      
11 H 0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.455 -0.163 0.000 1.465
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.912 -0.409 0.000
y -0.409 -25.057 0.000
z 0.000 0.000 -29.358
Traceless
 xyz
x -7.704 -0.409 0.000
y -0.409 7.078 0.000
z 0.000 0.000 0.626
Polar
3z2-r21.253
x2-y2-9.855
xy-0.409
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.087 -0.136 0.000
y -0.136 6.627 0.000
z 0.000 0.000 4.385


<r2> (average value of r2) Å2
<r2> 123.084
(<r2>)1/2 11.094