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

using model chemistry: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-268.174248
Energy at 298.15K-268.181409
HF Energy-268.174248
Nuclear repulsion energy179.002630
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 PBE1PBE/6-311G**
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' 3818 3663 62.33      
2 A' 3147 3019 19.68      
3 A' 3068 2943 17.34      
4 A' 3064 2940 12.24      
5 A' 1868 1792 285.79      
6 A' 1498 1438 16.48      
7 A' 1455 1396 17.35      
8 A' 1431 1373 45.32      
9 A' 1412 1354 35.17      
10 A' 1315 1262 0.08      
11 A' 1191 1143 251.47      
12 A' 1102 1057 41.57      
13 A' 1021 980 3.83      
14 A' 835 801 14.10      
15 A' 624 599 21.47      
16 A' 473 454 20.70      
17 A' 251 240 2.93      
18 A" 3150 3022 20.33      
19 A" 3098 2972 3.09      
20 A" 1490 1429 8.99      
21 A" 1280 1228 0.11      
22 A" 1109 1064 0.41      
23 A" 817 784 22.43      
24 A" 669 642 88.49      
25 A" 523 502 24.79      
26 A" 204 195 0.01      
27 A" 45 43 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19977.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 19166.2 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 PBE1PBE/6-311G**
ABC
0.34188 0.12834 0.09662

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.570 0.000
C2 -0.598 -0.809 0.000
C3 0.448 -1.907 0.000
O4 -0.954 1.521 0.000
O5 1.173 0.831 0.000
H6 -1.259 -0.876 0.871
H7 -1.259 -0.876 -0.871
H8 -0.027 -2.891 0.000
H9 1.091 -1.834 -0.879
H10 1.091 -1.834 0.879
H11 -0.488 2.367 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50312.51741.34711.20142.10642.10643.46092.78312.78311.8625
C21.50311.51672.35742.41381.09571.09572.15862.16302.16303.1784
C32.51741.51673.70402.83272.17622.17621.09241.09191.09194.3759
O41.34712.35743.70402.23552.56952.56954.50844.02694.02690.9657
O51.20142.41382.83272.23553.09673.09673.91072.80832.80832.2623
H62.10641.09572.17622.56953.09671.74232.51673.08322.53813.4463
H72.10641.09572.17622.56953.09671.74232.51672.53813.08323.4463
H83.46092.15861.09244.50843.91072.51672.51671.77201.77205.2784
H92.78312.16301.09194.02692.80833.08322.53811.77201.75894.5742
H102.78312.16301.09194.02692.80832.53813.08321.77201.75894.5742
H111.86253.17844.37590.96572.26233.44633.44635.27844.57424.5742

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 112.942 C1 C2 H6 107.255
C1 C2 H7 107.255 C1 O4 H11 106.111
C2 C1 O4 111.486 C2 C1 O5 126.009
C2 C3 H8 110.599 C2 C3 H9 110.978
C2 C3 H10 110.978 C3 C2 H6 111.812
C3 C2 H7 111.812 O4 C1 O5 122.505
H6 C2 H7 105.325 H8 C3 H9 108.434
H8 C3 H10 108.434 H9 C3 H10 107.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.369      
2 C -0.335      
3 C -0.329      
4 O -0.332      
5 O -0.345      
6 H 0.162      
7 H 0.162      
8 H 0.124      
9 H 0.136      
10 H 0.136      
11 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.497 -0.236 0.000 1.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.674 -0.472 0.000
y -0.472 -25.199 0.000
z 0.000 0.000 -29.290
Traceless
 xyz
x -7.430 -0.472 0.000
y -0.472 6.783 0.000
z 0.000 0.000 0.647
Polar
3z2-r21.294
x2-y2-9.475
xy-0.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.152 -0.143 0.000
y -0.143 6.738 0.000
z 0.000 0.000 4.476


<r2> (average value of r2) Å2
<r2> 123.021
(<r2>)1/2 11.091