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

using model chemistry: wB97X-D/aug-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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-268.423877
Energy at 298.15K 
HF Energy-268.423877
Nuclear repulsion energy178.933745
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 wB97X-D/aug-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' 3825 3659 66.62      
2 A' 3148 3011 19.51      
3 A' 3071 2938 7.12      
4 A' 3070 2937 22.76      
5 A' 1852 1772 313.39      
6 A' 1502 1437 13.01      
7 A' 1457 1394 16.52      
8 A' 1435 1373 12.61      
9 A' 1419 1357 55.29      
10 A' 1317 1260 4.62      
11 A' 1189 1137 247.84      
12 A' 1102 1054 59.09      
13 A' 1026 982 1.36      
14 A' 831 795 11.52      
15 A' 623 596 18.86      
16 A' 474 454 19.69      
17 A' 256 245 2.98      
18 A" 3149 3012 19.97      
19 A" 3104 2969 2.13      
20 A" 1496 1431 7.82      
21 A" 1291 1234 0.18      
22 A" 1112 1064 0.35      
23 A" 809 774 18.52      
24 A" 650 622 81.14      
25 A" 516 493 23.98      
26 A" 179 171 0.02      
27 A" 85i 81i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19908.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 19044.2 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 wB97X-D/aug-cc-pVTZ
ABC
0.34262 0.12774 0.09632

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.569 0.000
C2 -0.597 -0.811 0.000
C3 0.449 -1.911 0.000
O4 -0.952 1.524 0.000
O5 1.171 0.835 0.000
H6 -1.254 -0.879 0.869
H7 -1.254 -0.879 -0.869
H8 -0.033 -2.887 0.000
H9 1.087 -1.841 -0.879
H10 1.087 -1.841 0.879
H11 -0.490 2.371 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50332.52021.34871.20062.10312.10313.45612.78552.78551.8680
C21.50331.51842.36172.41591.09171.09172.15172.16122.16123.1838
C32.52021.51843.71002.84012.17322.17321.08861.08851.08854.3842
O41.34872.36173.71002.23132.57302.57304.50614.03144.03140.9647
O51.20062.41592.84012.23133.09413.09413.91272.81812.81812.2619
H62.10311.09172.17322.57303.09411.73892.50633.07642.53143.4497
H72.10311.09172.17322.57303.09411.73892.50632.53143.07643.4497
H83.45612.15171.08864.50613.91272.50632.50631.76731.76735.2783
H92.78552.16121.08854.03142.81813.07642.53141.76731.75754.5826
H102.78552.16121.08854.03142.81812.53143.07641.76731.75754.5826
H111.86803.18384.38420.96472.26193.44973.44975.27834.58264.5826

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 113.029 C1 C2 H6 107.216
C1 C2 H7 107.216 C1 O4 H11 106.519
C2 C1 O4 111.694 C2 C1 O5 126.266
C2 C3 H8 110.157 C2 C3 H9 110.924
C2 C3 H10 110.924 C3 C2 H6 111.688
C3 C2 H7 111.688 O4 C1 O5 122.040
H6 C2 H7 105.579 H8 C3 H9 108.539
H8 C3 H10 108.539 H9 C3 H10 107.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.612      
2 C -0.170      
3 C -0.812      
4 O -0.362      
5 O -0.738      
6 H 0.252      
7 H 0.252      
8 H 0.242      
9 H 0.269      
10 H 0.269      
11 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.620 -0.451 0.000 1.681
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.902 -0.679 0.000
y -0.679 -25.431 0.000
z 0.000 0.000 -29.462
Traceless
 xyz
x -7.455 -0.679 0.000
y -0.679 6.750 0.000
z 0.000 0.000 0.705
Polar
3z2-r21.410
x2-y2-9.470
xy-0.679
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.110 -0.176 0.000
y -0.176 7.727 0.000
z 0.000 0.000 5.413


<r2> (average value of r2) Å2
<r2> 123.447
(<r2>)1/2 11.111