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

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-268.127611
Energy at 298.15K-268.134590
HF Energy-268.127611
Nuclear repulsion energy176.742915
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 PBEPBE/aug-cc-pVDZ
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' 3619 3597 41.61      
2 A' 3072 3053 17.45      
3 A' 2990 2972 20.29      
4 A' 2982 2964 11.38      
5 A' 1750 1739 261.18      
6 A' 1426 1417 11.51      
7 A' 1383 1375 15.97      
8 A' 1352 1344 14.20      
9 A' 1341 1333 38.44      
10 A' 1251 1243 0.10      
11 A' 1119 1113 191.05      
12 A' 1053 1046 93.17      
13 A' 984 978 3.95      
14 A' 795 790 8.16      
15 A' 586 583 13.59      
16 A' 451 449 20.32      
17 A' 240 238 2.89      
18 A" 3075 3056 18.27      
19 A" 3017 2999 2.81      
20 A" 1418 1409 7.32      
21 A" 1224 1216 0.06      
22 A" 1056 1049 0.06      
23 A" 775 770 13.05      
24 A" 644 640 78.84      
25 A" 506 503 16.55      
26 A" 197 195 0.02      
27 A" 35 35 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19168.6 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 19051.7 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 PBEPBE/aug-cc-pVDZ
ABC
0.33214 0.12538 0.09423

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.572 0.000
C2 -0.594 -0.819 0.000
C3 0.456 -1.928 0.000
O4 -0.978 1.534 0.000
O5 1.189 0.852 0.000
H6 -1.264 -0.891 0.880
H7 -1.264 -0.891 -0.880
H8 -0.035 -2.919 0.000
H9 1.105 -1.861 -0.890
H10 1.105 -1.861 0.890
H11 -0.503 2.392 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51312.54171.37201.22182.12432.12433.49082.81682.81681.8879
C21.51311.52702.38442.44421.10831.10832.17242.18312.18313.2124
C32.54171.52703.74752.87562.19282.19281.10481.10441.10444.4253
O41.37202.38443.74752.27252.59522.59524.55134.08164.08160.9807
O51.22182.44422.87562.27253.13543.13543.96422.85642.85642.2882
H62.12431.10832.19282.59523.13541.76002.52943.11292.56053.4826
H72.12431.10832.19282.59523.13541.76002.52942.56053.11293.4826
H83.49082.17241.10484.55133.96422.52942.52941.79201.79205.3309
H92.81682.18311.10444.08162.85643.11292.56051.79201.78064.6331
H102.81682.18311.10444.08162.85642.56053.11291.79201.78064.6331
H111.88793.21244.42530.98072.28823.48263.48265.33094.63314.6331

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 113.454 C1 C2 H6 107.256
C1 C2 H7 107.256 C1 O4 H11 105.524
C2 C1 O4 111.386 C2 C1 O5 126.361
C2 C3 H8 110.233 C2 C3 H9 111.107
C2 C3 H10 111.107 C3 C2 H6 111.639
C3 C2 H7 111.639 O4 C1 O5 122.253
H6 C2 H7 105.117 H8 C3 H9 108.418
H8 C3 H10 108.418 H9 C3 H10 107.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.595      
2 C 0.465      
3 C 0.654      
4 O -0.423      
5 O -0.515      
6 H -0.194      
7 H -0.194      
8 H -0.199      
9 H -0.175      
10 H -0.175      
11 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.548 -0.510 0.000 1.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.368 -0.622 0.000
y -0.622 -26.174 0.000
z 0.000 0.000 -30.040
Traceless
 xyz
x -7.261 -0.622 0.000
y -0.622 6.530 0.000
z 0.000 0.000 0.731
Polar
3z2-r21.462
x2-y2-9.194
xy-0.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.634 -0.218 0.000
y -0.218 8.548 0.000
z 0.000 0.000 5.690


<r2> (average value of r2) Å2
<r2> 126.118
(<r2>)1/2 11.230