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

using model chemistry: wB97X-D/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 wB97X-D/TZVP
 hartrees
Energy at 0K-268.416876
Energy at 298.15K 
HF Energy-268.416876
Nuclear repulsion energy178.812910
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/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' 3830 3658 63.77      
2 A' 3155 3013 19.99      
3 A' 3076 2938 3.88      
4 A' 3075 2937 25.06      
5 A' 1862 1778 311.59      
6 A' 1506 1438 14.71      
7 A' 1464 1398 16.40      
8 A' 1440 1375 13.57      
9 A' 1422 1358 61.81      
10 A' 1321 1262 2.33      
11 A' 1192 1138 258.21      
12 A' 1103 1054 56.81      
13 A' 1029 982 1.63      
14 A' 831 794 12.91      
15 A' 628 600 18.53      
16 A' 477 455 20.67      
17 A' 258 247 2.70      
18 A" 3156 3014 21.04      
19 A" 3112 2972 2.32      
20 A" 1500 1433 8.60      
21 A" 1293 1235 0.06      
22 A" 1116 1066 0.42      
23 A" 816 779 19.58      
24 A" 655 625 98.27      
25 A" 518 495 25.36      
26 A" 192 183 0.02      
27 A" 73i 69i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19976.3 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 19077.4 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/TZVP
ABC
0.34221 0.12760 0.09622

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.569 0.000
C2 -0.599 -0.812 0.000
C3 0.449 -1.912 0.000
O4 -0.952 1.526 0.000
O5 1.171 0.835 0.000
H6 -1.255 -0.881 0.871
H7 -1.255 -0.881 -0.871
H8 -0.033 -2.889 0.000
H9 1.089 -1.842 -0.880
H10 1.089 -1.842 0.880
H11 -0.492 2.375 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50452.52101.34961.20092.10592.10593.45832.78732.78731.8721
C21.50451.51952.36382.41751.09301.09302.15342.16382.16383.1884
C32.52101.51953.71222.84072.17452.17451.09001.08981.08984.3891
O41.34962.36383.71222.23192.57702.57704.50974.03434.03430.9656
O51.20092.41752.84072.23193.09683.09683.91472.81922.81922.2661
H62.10591.09302.17452.57703.09681.74202.50763.07952.53353.4554
H72.10591.09302.17452.57703.09681.74202.50762.53353.07953.4554
H83.45832.15341.09004.50973.91472.50762.50761.76931.76935.2844
H92.78732.16381.08984.03432.81923.07952.53351.76931.75944.5883
H102.78732.16381.08984.03432.81922.53353.07951.76931.75944.5883
H111.87213.18844.38910.96562.26613.45543.45545.28444.58834.5883

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 112.953 C1 C2 H6 107.273
C1 C2 H7 107.273 C1 O4 H11 106.748
C2 C1 O4 111.719 C2 C1 O5 126.284
C2 C3 H8 110.129 C2 C3 H9 110.968
C2 C3 H10 110.968 C3 C2 H6 111.637
C3 C2 H7 111.637 O4 C1 O5 121.998
H6 C2 H7 105.662 H8 C3 H9 108.516
H8 C3 H10 108.516 H9 C3 H10 107.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.224      
2 C -0.239      
3 C -0.349      
4 O -0.290      
5 O -0.327      
6 H 0.149      
7 H 0.149      
8 H 0.127      
9 H 0.129      
10 H 0.129      
11 H 0.298      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.583 -0.369 0.000 1.626
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.226 -0.578 0.000
y -0.578 -25.204 0.000
z 0.000 0.000 -29.447
Traceless
 xyz
x -7.901 -0.578 0.000
y -0.578 7.132 0.000
z 0.000 0.000 0.769
Polar
3z2-r21.537
x2-y2-10.022
xy-0.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.598 -0.119 0.000
y -0.119 6.879 0.000
z 0.000 0.000 4.885


<r2> (average value of r2) Å2
<r2> 123.590
(<r2>)1/2 11.117