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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-266.964473
Energy at 298.15K-266.971913
HF Energy-266.964473
Nuclear repulsion energy180.190051
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 HF/Def2TZVPP
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' 4112 3727 115.13      
2 A' 3238 2935 33.88      
3 A' 3184 2886 5.96      
4 A' 3177 2879 34.87      
5 A' 1992 1806 394.13      
6 A' 1620 1468 13.38      
7 A' 1586 1437 11.11      
8 A' 1555 1410 22.58      
9 A' 1534 1391 51.32      
10 A' 1422 1289 7.60      
11 A' 1292 1171 300.14      
12 A' 1175 1065 45.47      
13 A' 1074 973 0.83      
14 A' 880 798 9.97      
15 A' 671 608 29.49      
16 A' 502 455 19.43      
17 A' 269 243 3.30      
18 A" 3252 2947 37.22      
19 A" 3210 2909 4.21      
20 A" 1610 1459 6.07      
21 A" 1394 1263 0.21      
22 A" 1215 1101 2.08      
23 A" 884 801 19.89      
24 A" 689 625 97.20      
25 A" 558 506 36.09      
26 A" 234 212 0.01      
27 A" 65 59 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21195.7 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 19211.8 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 HF/Def2TZVPP
ABC
0.35102 0.12821 0.09721

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.570 0.000
C2 -0.596 -0.807 0.000
C3 0.444 -1.915 0.000
O4 -0.928 1.524 0.000
O5 1.150 0.835 0.000
H6 -1.247 -0.868 0.864
H7 -1.247 -0.868 -0.864
H8 -0.044 -2.880 0.000
H9 1.079 -1.852 -0.873
H10 1.079 -1.852 0.873
H11 -0.486 2.359 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50022.52401.33061.18052.09062.09063.45062.79112.79111.8537
C21.50021.51982.35392.39701.08391.08392.14592.15852.15853.1674
C32.52401.51983.70202.83882.16862.16861.08201.08101.08104.3736
O41.33062.35393.70202.18942.56322.56324.49194.02274.02270.9447
O51.18052.39702.83882.18943.06523.06523.90252.82582.82582.2362
H62.09061.08392.16862.56323.06521.72892.49883.06512.52523.4263
H72.09061.08392.16862.56323.06521.72892.49882.52523.06513.4263
H83.45062.14591.08204.49193.90252.49882.49881.75501.75505.2578
H92.79112.15851.08104.02272.82583.06512.52521.75501.74574.5760
H102.79112.15851.08104.02272.82582.52523.06511.75501.74574.5760
H111.85373.16744.37360.94472.23623.42633.42635.25784.57604.5760

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 113.389 C1 C2 H6 106.895
C1 C2 H7 106.895 C1 O4 H11 107.914
C2 C1 O4 112.373 C2 C1 O5 126.382
C2 C3 H8 109.994 C2 C3 H9 111.064
C2 C3 H10 111.064 C3 C2 H6 111.702
C3 C2 H7 111.702 O4 C1 O5 121.245
H6 C2 H7 105.801 H8 C3 H9 108.462
H8 C3 H10 108.462 H9 C3 H10 107.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.500      
2 C -0.074      
3 C -0.148      
4 O -0.380      
5 O -0.450      
6 H 0.064      
7 H 0.064      
8 H 0.063      
9 H 0.063      
10 H 0.063      
11 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.746 -0.452 0.000 1.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.291 -0.786 0.000
y -0.786 -25.402 0.000
z 0.000 0.000 -29.375
Traceless
 xyz
x -7.902 -0.786 0.000
y -0.786 6.931 0.000
z 0.000 0.000 0.971
Polar
3z2-r21.942
x2-y2-9.889
xy-0.786
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.212 -0.101 0.000
y -0.101 6.559 0.000
z 0.000 0.000 4.784


<r2> (average value of r2) Å2
<r2> 122.611
(<r2>)1/2 11.073