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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-266.945077
Energy at 298.15K-266.952508
HF Energy-266.945077
Nuclear repulsion energy180.043344
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/TZVP
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' 4102 3727 112.36      
2 A' 3246 2950 34.68      
3 A' 3193 2901 6.68      
4 A' 3183 2892 32.57      
5 A' 1999 1816 407.15      
6 A' 1622 1473 13.99      
7 A' 1590 1444 10.19      
8 A' 1558 1415 20.32      
9 A' 1534 1394 57.26      
10 A' 1423 1293 5.49      
11 A' 1293 1175 312.43      
12 A' 1176 1069 47.01      
13 A' 1074 976 1.11      
14 A' 880 800 10.22      
15 A' 674 612 29.13      
16 A' 503 457 20.56      
17 A' 270 245 2.97      
18 A" 3260 2962 38.86      
19 A" 3221 2927 3.85      
20 A" 1612 1465 6.30      
21 A" 1395 1267 0.09      
22 A" 1216 1105 2.37      
23 A" 883 802 20.38      
24 A" 685 622 113.49      
25 A" 556 506 37.77      
26 A" 233 212 0.02      
27 A" 56 51 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21217.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 19277.9 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 HF/TZVP
ABC
0.35032 0.12808 0.09709

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.575 0.000
C2 -0.592 -0.809 0.000
C3 0.456 -1.912 0.000
O4 -0.943 1.515 0.000
O5 1.152 0.841 0.000
H6 -1.241 -0.880 0.867
H7 -1.241 -0.880 -0.867
H8 -0.029 -2.881 0.000
H9 1.091 -1.847 -0.874
H10 1.091 -1.847 0.874
H11 -0.526 2.365 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50582.52891.33161.18212.09932.09933.45682.79682.79681.8654
C21.50581.52122.35092.40071.08501.08502.14712.16162.16163.1751
C32.52891.52123.70192.83972.16722.16721.08381.08251.08254.3885
O41.33162.35093.70192.20102.56392.56394.49064.02574.02570.9470
O51.18212.40072.83972.20103.07193.07193.90512.82722.82722.2666
H62.09931.08502.16722.56393.07191.73302.49553.06662.52473.4336
H72.09931.08502.16722.56393.07191.73302.49552.52473.06663.4336
H83.45682.14711.08384.49063.90512.49552.49551.75741.75745.2700
H92.79682.16161.08254.02572.82723.06662.52471.75741.74854.5957
H102.79682.16161.08254.02572.82722.52473.06661.75741.74854.5957
H111.86543.17514.38850.94702.26663.43363.43365.27004.59574.5957

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 113.328 C1 C2 H6 107.133
C1 C2 H7 107.133 C1 O4 H11 108.734
C2 C1 O4 111.755 C2 C1 O5 126.126
C2 C3 H8 109.887 C2 C3 H9 111.125
C2 C3 H10 111.125 C3 C2 H6 111.424
C3 C2 H7 111.424 O4 C1 O5 122.119
H6 C2 H7 105.995 H8 C3 H9 108.437
H8 C3 H10 108.437 H9 C3 H10 107.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.349      
2 C -0.125      
3 C -0.230      
4 O -0.357      
5 O -0.425      
6 H 0.106      
7 H 0.106      
8 H 0.091      
9 H 0.087      
10 H 0.087      
11 H 0.309      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.715 -0.480 0.000 1.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.751 -0.687 0.000
y -0.687 -25.392 0.000
z 0.000 0.000 -29.428
Traceless
 xyz
x -8.341 -0.687 0.000
y -0.687 7.197 0.000
z 0.000 0.000 1.144
Polar
3z2-r22.287
x2-y2-10.358
xy-0.687
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.073 -0.052 0.000
y -0.052 6.168 0.000
z 0.000 0.000 4.589


<r2> (average value of r2) Å2
<r2> 122.848
(<r2>)1/2 11.084