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

using model chemistry: M06-2X/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 M06-2X/TZVP
 hartrees
Energy at 0K-268.384022
Energy at 298.15K 
HF Energy-268.384022
Nuclear repulsion energy179.019219
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 M06-2X/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' 3813 3608 83.61      
2 A' 3144 2975 11.77      
3 A' 3078 2913 7.41      
4 A' 3068 2903 13.83      
5 A' 1877 1776 320.29      
6 A' 1505 1424 14.88      
7 A' 1469 1390 14.45      
8 A' 1435 1358 35.89      
9 A' 1420 1344 47.45      
10 A' 1321 1250 0.30      
11 A' 1196 1131 278.68      
12 A' 1101 1042 41.51      
13 A' 1022 967 2.68      
14 A' 837 792 10.92      
15 A' 630 596 20.12      
16 A' 476 451 19.48      
17 A' 251 237 3.02      
18 A" 3153 2983 13.36      
19 A" 3114 2946 0.76      
20 A" 1495 1414 8.34      
21 A" 1290 1221 0.06      
22 A" 1116 1056 0.59      
23 A" 813 769 20.29      
24 A" 659 624 107.11      
25 A" 522 494 21.95      
26 A" 157 149 0.02      
27 A" 18i 17i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19971.9 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 18897.4 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 M06-2X/TZVP
ABC
0.34293 0.12830 0.09668

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.567 0.000
C2 -0.605 -0.811 0.000
C3 0.448 -1.905 0.000
O4 -0.947 1.529 0.000
O5 1.172 0.822 0.000
H6 -1.261 -0.876 0.872
H7 -1.261 -0.876 -0.872
H8 -0.026 -2.887 0.000
H9 1.087 -1.828 -0.879
H10 1.087 -1.828 0.879
H11 -0.489 2.382 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50452.51261.34981.19952.10482.10483.45352.77302.77301.8802
C21.50451.51902.36452.41311.09261.09262.15522.16112.16113.1949
C32.51261.51903.70692.82192.17692.17691.08951.08931.08934.3889
O41.34982.36453.70692.23352.57732.57734.51064.02234.02230.9679
O51.19952.41312.82192.23353.09193.09193.89722.79322.79322.2792
H62.10481.09262.17692.57733.09191.74342.51543.07922.53353.4597
H72.10481.09262.17692.57733.09191.74342.51542.53353.07923.4597
H83.45352.15521.08954.51063.89722.51542.51541.76951.76955.2891
H92.77302.16111.08934.02232.79323.07922.53351.76951.75714.5808
H102.77302.16111.08934.02232.79322.53353.07921.76951.75714.5808
H111.88023.19494.38890.96792.27923.45973.45975.28914.58084.5808

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 112.409 C1 C2 H6 107.214
C1 C2 H7 107.214 C1 O4 H11 107.284
C2 C1 O4 111.760 C2 C1 O5 125.989
C2 C3 H8 110.341 C2 C3 H9 110.828
C2 C3 H10 110.828 C3 C2 H6 111.891
C3 C2 H7 111.891 O4 C1 O5 122.251
H6 C2 H7 105.837 H8 C3 H9 108.615
H8 C3 H10 108.615 H9 C3 H10 107.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.316      
2 C -0.329      
3 C -0.389      
4 O -0.337      
5 O -0.354      
6 H 0.174      
7 H 0.174      
8 H 0.142      
9 H 0.147      
10 H 0.147      
11 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.537 -0.412 0.000 1.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.526 -0.387 0.000
y -0.387 -25.421 0.000
z 0.000 0.000 -29.713
Traceless
 xyz
x -7.959 -0.387 0.000
y -0.387 7.199 0.000
z 0.000 0.000 0.760
Polar
3z2-r21.520
x2-y2-10.105
xy-0.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.536 -0.137 0.000
y -0.137 6.811 0.000
z 0.000 0.000 4.816


<r2> (average value of r2) Å2
<r2> 123.269
(<r2>)1/2 11.103