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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-268.236539
Energy at 298.15K 
HF Energy-268.236539
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3595 3525 26.54      
2 A' 3086 3025 27.91      
3 A' 3011 2952 24.41      
4 A' 2996 2938 16.64      
5 A' 1796 1761 230.26      
6 A' 1504 1474 8.25      
7 A' 1461 1432 12.31      
8 A' 1416 1388 3.45      
9 A' 1388 1361 35.93      
10 A' 1297 1272 1.63      
11 A' 1146 1124 210.01      
12 A' 1068 1047 88.76      
13 A' 1001 981 0.96      
14 A' 798 783 9.68      
15 A' 596 585 16.35      
16 A' 457 448 20.37      
17 A' 253 248 2.58      
18 A" 3093 3032 28.09      
19 A" 3030 2970 7.62      
20 A" 1499 1470 5.42      
21 A" 1271 1246 0.03      
22 A" 1096 1075 0.19      
23 A" 802 786 18.42      
24 A" 670 657 91.96      
25 A" 509 499 18.33      
26 A" 218 214 0.00      
27 A" 23i 23i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19516.6 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 19134.0 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 B97D3/6-31G*
ABC
0.33259 0.12587 0.09451

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.573 0.000
C2 -0.600 -0.821 0.000
C3 0.461 -1.923 0.000
O4 -0.978 1.532 0.000
O5 1.186 0.848 0.000
H6 -1.264 -0.899 0.876
H7 -1.264 -0.899 -0.876
H8 -0.016 -2.913 0.000
H9 1.106 -1.846 -0.885
H10 1.106 -1.846 0.885
H11 -0.499 2.387 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51832.53851.36931.21782.12912.12913.48642.80322.80321.8808
C21.51831.52952.38322.44511.10191.10192.17182.17782.17783.2097
C32.53851.52953.74242.86442.18852.18851.09881.09791.09794.4153
O41.36932.38323.74242.26982.59992.59994.54774.06604.06600.9800
O51.21782.44512.86442.26983.13423.13423.94852.83662.83662.2821
H62.12911.10192.18852.59993.13421.75282.52593.10042.55133.4857
H72.12911.10192.18852.59993.13421.75282.52592.55133.10043.4857
H83.48642.17181.09884.54773.94852.52592.52591.78341.78345.3217
H92.80322.17781.09794.06602.83663.10042.55131.78341.77044.6122
H102.80322.17781.09794.06602.83662.55133.10041.78341.77044.6122
H111.88083.20974.41530.98002.28213.48573.48575.32174.61224.6122

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 112.761 C1 C2 H6 107.674
C1 C2 H7 107.674 C1 O4 H11 105.388
C2 C1 O4 111.068 C2 C1 O5 126.161
C2 C3 H8 110.405 C2 C3 H9 110.875
C2 C3 H10 110.875 C3 C2 H6 111.541
C3 C2 H7 111.541 O4 C1 O5 122.771
H6 C2 H7 105.263 H8 C3 H9 108.525
H8 C3 H10 108.525 H9 C3 H10 107.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.553      
2 C -0.357      
3 C -0.450      
4 O -0.550      
5 O -0.444      
6 H 0.181      
7 H 0.181      
8 H 0.149      
9 H 0.168      
10 H 0.168      
11 H 0.400      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.394 -0.230 0.000 1.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.072 -0.498 0.000
y -0.498 -24.873 0.000
z 0.000 0.000 -28.970
Traceless
 xyz
x -7.151 -0.498 0.000
y -0.498 6.648 0.000
z 0.000 0.000 0.503
Polar
3z2-r21.005
x2-y2-9.200
xy-0.498
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.972 -0.112 0.000
y -0.112 6.670 0.000
z 0.000 0.000 4.211


<r2> (average value of r2) Å2
<r2> 124.983
(<r2>)1/2 11.180