return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-268.442218
Energy at 298.15K-268.449347
HF Energy-268.442218
Nuclear repulsion energy177.602963
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 B3LYPultrafine/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' 3744 3633 60.31      
2 A' 3122 3029 20.66      
3 A' 3049 2959 18.08      
4 A' 3046 2955 14.15      
5 A' 1803 1750 290.80      
6 A' 1476 1432 11.35      
7 A' 1439 1397 14.12      
8 A' 1403 1361 6.97      
9 A' 1391 1350 46.16      
10 A' 1297 1258 0.70      
11 A' 1161 1126 236.15      
12 A' 1080 1048 77.15      
13 A' 1009 979 1.37      
14 A' 814 790 7.51      
15 A' 607 589 16.90      
16 A' 464 450 20.04      
17 A' 248 241 2.96      
18 A" 3128 3035 21.85      
19 A" 3077 2985 3.36      
20 A" 1467 1424 6.84      
21 A" 1270 1232 0.09      
22 A" 1100 1067 0.31      
23 A" 804 780 13.34      
24 A" 650 631 86.81      
25 A" 522 506 20.37      
26 A" 206 200 0.02      
27 A" 52 50 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19713.5 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 19130.0 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 B3LYPultrafine/aug-cc-pVDZ
ABC
0.33707 0.12599 0.09494

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.573 0.000
C2 -0.594 -0.817 0.000
C3 0.456 -1.925 0.000
O4 -0.969 1.530 0.000
O5 1.179 0.848 0.000
H6 -1.256 -0.888 0.876
H7 -1.256 -0.888 -0.876
H8 -0.035 -2.908 0.000
H9 1.100 -1.859 -0.885
H10 1.100 -1.859 0.885
H11 -0.515 2.388 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51092.53941.36151.21122.11642.11643.48062.81182.81181.8867
C21.51091.52672.37612.43221.10061.10062.16452.17702.17703.2056
C32.53941.52673.73722.86652.18512.18511.09801.09721.09724.4211
O41.36152.37613.73722.25342.58762.58764.53464.06754.06750.9709
O51.21122.43222.86652.25343.11683.11683.94732.84922.84922.2891
H62.11641.10062.18512.58763.11681.75162.51763.09802.54863.4712
H72.11641.10062.18512.58763.11681.75162.51762.54863.09803.4712
H83.48062.16451.09804.53463.94732.51762.51761.78121.78125.3174
H92.81182.17701.09724.06752.84923.09802.54861.78121.77104.6288
H102.81182.17701.09724.06752.84922.54863.09801.78121.77104.6288
H111.88673.20564.42110.97092.28913.47123.47125.31744.62884.6288

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 113.438 C1 C2 H6 107.232
C1 C2 H7 107.232 C1 O4 H11 106.784
C2 C1 O4 111.523 C2 C1 O5 126.286
C2 C3 H8 110.041 C2 C3 H9 111.075
C2 C3 H10 111.075 C3 C2 H6 111.518
C3 C2 H7 111.518 O4 C1 O5 122.191
H6 C2 H7 105.456 H8 C3 H9 108.468
H8 C3 H10 108.468 H9 C3 H10 107.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.514      
2 C 0.659      
3 C 0.887      
4 O -0.405      
5 O -0.501      
6 H -0.268      
7 H -0.268      
8 H -0.263      
9 H -0.245      
10 H -0.245      
11 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.597 -0.519 0.000 1.679
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.526 -0.651 0.000
y -0.651 -26.079 0.000
z 0.000 0.000 -29.917
Traceless
 xyz
x -7.528 -0.651 0.000
y -0.651 6.642 0.000
z 0.000 0.000 0.886
Polar
3z2-r21.772
x2-y2-9.447
xy-0.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.286 -0.187 0.000
y -0.187 8.027 0.000
z 0.000 0.000 5.488


<r2> (average value of r2) Å2
<r2> 125.326
(<r2>)1/2 11.195