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

using model chemistry: M06-2X/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 M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-268.397498
Energy at 298.15K-268.404534
HF Energy-268.397498
Nuclear repulsion energy179.124372
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/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' 3806 3638 86.96      
2 A' 3140 3001 11.72      
3 A' 3071 2935 9.17      
4 A' 3065 2929 12.99      
5 A' 1866 1783 317.91      
6 A' 1501 1435 12.99      
7 A' 1463 1398 14.21      
8 A' 1430 1366 40.10      
9 A' 1415 1352 36.01      
10 A' 1314 1256 2.10      
11 A' 1189 1137 267.54      
12 A' 1100 1051 44.27      
13 A' 1018 973 2.97      
14 A' 836 799 9.43      
15 A' 624 597 20.92      
16 A' 474 453 18.59      
17 A' 250 239 3.40      
18 A" 3145 3006 12.46      
19 A" 3104 2966 0.75      
20 A" 1491 1424 7.20      
21 A" 1287 1230 0.21      
22 A" 1111 1062 0.58      
23 A" 806 770 19.07      
24 A" 648 619 87.44      
25 A" 517 494 24.62      
26 A" 155 148 0.01      
27 A" 24 23 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19924.6 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 19041.9 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/aug-cc-pVTZ
ABC
0.34343 0.12839 0.09676

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.567 0.000
C2 -0.604 -0.810 0.000
C3 0.446 -1.906 0.000
O4 -0.946 1.529 0.000
O5 1.172 0.821 0.000
H6 -1.260 -0.873 0.870
H7 -1.260 -0.873 -0.870
H8 -0.028 -2.885 0.000
H9 1.085 -1.828 -0.878
H10 1.085 -1.828 0.878
H11 -0.487 2.380 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50302.51211.34931.19942.10162.10163.45202.77142.77141.8774
C21.50301.51762.36372.41121.09161.09162.15402.15822.15823.1916
C32.51211.51763.70592.82182.17592.17591.08831.08811.08814.3857
O41.34932.36373.70592.23302.57392.57394.50884.02034.02030.9664
O51.19942.41122.82182.23303.08903.08903.89592.79222.79222.2764
H62.10161.09162.17592.57393.08901.74002.51503.07642.53183.4545
H72.10161.09162.17592.57393.08901.74002.51502.53183.07643.4545
H83.45202.15401.08834.50883.89592.51502.51501.76801.76805.2850
H92.77142.15821.08814.02032.79223.07642.53181.76801.75524.5766
H102.77142.15821.08814.02032.79222.53183.07641.76801.75524.5766
H111.87743.19164.38570.96642.27643.45453.45455.28504.57664.5766

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 112.541 C1 C2 H6 107.124
C1 C2 H7 107.124 C1 O4 H11 107.172
C2 C1 O4 111.815 C2 C1 O5 125.943
C2 C3 H8 110.413 C2 C3 H9 110.763
C2 C3 H10 110.763 C3 C2 H6 111.974
C3 C2 H7 111.974 O4 C1 O5 122.242
H6 C2 H7 105.690 H8 C3 H9 108.647
H8 C3 H10 108.647 H9 C3 H10 107.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.578      
2 C -0.179      
3 C -0.806      
4 O -0.458      
5 O -0.707      
6 H 0.292      
7 H 0.292      
8 H 0.183      
9 H 0.267      
10 H 0.267      
11 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.577 -0.474 0.000 1.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.190 -0.498 0.000
y -0.498 -25.582 0.000
z 0.000 0.000 -29.720
Traceless
 xyz
x -7.538 -0.498 0.000
y -0.498 6.873 0.000
z 0.000 0.000 0.666
Polar
3z2-r21.331
x2-y2-9.608
xy-0.498
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.990 -0.192 0.000
y -0.192 7.597 0.000
z 0.000 0.000 5.303


<r2> (average value of r2) Å2
<r2> 123.130
(<r2>)1/2 11.096