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

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-268.189011
Energy at 298.15K-268.196011
HF Energy-268.189011
Nuclear repulsion energy177.445958
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/cc-pVTZ
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' 3624 3599 37.82      
2 A' 3056 3035 18.09      
3 A' 2986 2965 19.80      
4 A' 2974 2953 10.63      
5 A' 1763 1751 241.46      
6 A' 1451 1441 10.37      
7 A' 1405 1395 17.00      
8 A' 1368 1358 4.98      
9 A' 1355 1346 45.23      
10 A' 1263 1255 0.61      
11 A' 1122 1114 189.30      
12 A' 1051 1044 93.07      
13 A' 988 981 3.04      
14 A' 794 789 11.32      
15 A' 592 588 14.80      
16 A' 453 450 19.40      
17 A' 243 241 2.76      
18 A" 3059 3038 18.51      
19 A" 3000 2980 2.96      
20 A" 1443 1433 7.55      
21 A" 1238 1230 0.07      
22 A" 1068 1060 0.10      
23 A" 785 780 16.00      
24 A" 647 643 72.90      
25 A" 505 502 21.02      
26 A" 197 196 0.02      
27 A" 35 35 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19232.4 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 19099.7 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/cc-pVTZ
ABC
0.33486 0.12633 0.09495

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.572 0.000
C2 -0.594 -0.818 0.000
C3 0.457 -1.920 0.000
O4 -0.976 1.528 0.000
O5 1.183 0.846 0.000
H6 -1.261 -0.890 0.874
H7 -1.261 -0.890 -0.874
H8 -0.021 -2.908 0.000
H9 1.104 -1.849 -0.884
H10 1.104 -1.849 0.884
H11 -0.500 2.383 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51162.53381.36651.21452.11952.11953.48022.80342.80341.8790
C21.51161.52342.37722.43491.10171.10172.16742.17422.17423.2025
C32.53381.52343.73462.86032.18532.18531.09781.09731.09734.4086
O41.36652.37723.73462.26412.58782.58784.53814.06344.06340.9783
O51.21452.43492.86032.26413.12293.12293.94312.83742.83742.2792
H62.11951.10172.18532.58783.12291.74872.52413.09822.55123.4727
H72.11951.10172.18532.58783.12291.74872.52412.55123.09823.4727
H83.48022.16741.09784.53813.94312.52412.52411.78041.78045.3130
H92.80342.17421.09734.06342.83743.09822.55121.78041.76734.6112
H102.80342.17421.09734.06342.83742.55123.09821.78041.76734.6112
H111.87903.20254.40860.97832.27923.47273.47275.31304.61124.6112

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 113.203 C1 C2 H6 107.358
C1 C2 H7 107.358 C1 O4 H11 105.325
C2 C1 O4 111.275 C2 C1 O5 126.212
C2 C3 H8 110.503 C2 C3 H9 111.076
C2 C3 H10 111.076 C3 C2 H6 111.699
C3 C2 H7 111.699 O4 C1 O5 122.513
H6 C2 H7 105.061 H8 C3 H9 108.396
H8 C3 H10 108.396 H9 C3 H10 107.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.243      
2 C -0.193      
3 C -0.281      
4 O -0.232      
5 O -0.271      
6 H 0.113      
7 H 0.113      
8 H 0.095      
9 H 0.104      
10 H 0.104      
11 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.488 -0.323 0.000 1.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.685 -0.590 0.000
y -0.590 -25.721 0.000
z 0.000 0.000 -29.669
Traceless
 xyz
x -6.990 -0.590 0.000
y -0.590 6.456 0.000
z 0.000 0.000 0.534
Polar
3z2-r21.069
x2-y2-8.964
xy-0.590
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.858 -0.217 0.000
y -0.217 7.824 0.000
z 0.000 0.000 5.077


<r2> (average value of r2) Å2
<r2> 124.977
(<r2>)1/2 11.179