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

using model chemistry: HSEh1PBE/6-31G*

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/6-31G*
 hartrees
Energy at 0K-268.118237
Energy at 298.15K-268.125383
HF Energy-268.118237
Nuclear repulsion energy178.614718
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/6-31G*
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' 3745 3561 52.37      
2 A' 3171 3015 19.41      
3 A' 3090 2939 18.10      
4 A' 3080 2929 11.51      
5 A' 1884 1791 264.68      
6 A' 1528 1453 13.95      
7 A' 1487 1414 15.14      
8 A' 1453 1382 28.17      
9 A' 1436 1366 46.13      
10 A' 1332 1267 0.89      
11 A' 1205 1146 248.36      
12 A' 1111 1057 37.01      
13 A' 1030 979 3.38      
14 A' 838 796 12.91      
15 A' 620 589 22.19      
16 A' 471 448 21.57      
17 A' 251 239 2.99      
18 A" 3175 3020 18.28      
19 A" 3116 2964 4.00      
20 A" 1522 1448 7.26      
21 A" 1295 1231 0.10      
22 A" 1121 1066 0.48      
23 A" 822 782 23.92      
24 A" 685 651 98.55      
25 A" 525 499 21.01      
26 A" 210 200 0.01      
27 A" 42 40 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20121.8 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 19135.9 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/6-31G*
ABC
0.33961 0.12815 0.09634

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.570 0.000
C2 -0.605 -0.809 0.000
C3 0.443 -1.908 0.000
O4 -0.951 1.527 0.000
O5 1.180 0.827 0.000
H6 -1.267 -0.880 0.872
H7 -1.267 -0.880 -0.872
H8 -0.032 -2.893 0.000
H9 1.087 -1.835 -0.881
H10 1.087 -1.835 0.881
H11 -0.473 2.374 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50572.51691.34961.20752.11352.11353.46292.78172.78171.8659
C21.50571.51852.36222.42121.09741.09742.16102.16552.16553.1865
C32.51691.51853.70752.83242.17772.17771.09401.09351.09354.3794
O41.34962.36223.70752.24262.58012.58014.51504.02894.02890.9724
O51.20752.42122.83242.24263.10813.10813.91262.80512.80512.2642
H62.11351.09742.17772.58013.10811.74482.51743.08642.54003.4617
H72.11351.09742.17772.58013.10811.74482.51742.54003.08643.4617
H83.46292.16101.09404.51503.91262.51742.51741.77471.77475.2860
H92.78172.16551.09354.02892.80513.08642.54001.77471.76194.5745
H102.78172.16551.09354.02892.80512.54003.08641.77471.76194.5745
H111.86593.18654.37940.97242.26423.46173.46175.28604.57454.5745

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 112.664 C1 C2 H6 107.537
C1 C2 H7 107.537 C1 O4 H11 105.798
C2 C1 O4 111.533 C2 C1 O5 125.991
C2 C3 H8 110.571 C2 C3 H9 110.964
C2 C3 H10 110.964 C3 C2 H6 111.700
C3 C2 H7 111.700 O4 C1 O5 122.476
H6 C2 H7 105.306 H8 C3 H9 108.445
H8 C3 H10 108.445 H9 C3 H10 107.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.587      
2 C -0.416      
3 C -0.512      
4 O -0.582      
5 O -0.464      
6 H 0.206      
7 H 0.206      
8 H 0.172      
9 H 0.190      
10 H 0.190      
11 H 0.423      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.462 -0.196 0.000 1.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.234 -0.427 0.000
y -0.427 -24.746 0.000
z 0.000 0.000 -28.989
Traceless
 xyz
x -7.367 -0.427 0.000
y -0.427 6.866 0.000
z 0.000 0.000 0.501
Polar
3z2-r21.003
x2-y2-9.488
xy-0.427
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.797 -0.078 0.000
y -0.078 6.303 0.000
z 0.000 0.000 4.138


<r2> (average value of r2) Å2
<r2> 123.069
(<r2>)1/2 11.094