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

using model chemistry: M06-2X/STO-3G

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/STO-3G
 hartrees
Energy at 0K-264.857078
Energy at 298.15K 
HF Energy-264.857078
Nuclear repulsion energy174.459945
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/STO-3G
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' 3843 3843 12.54      
2 A' 3559 3559 0.01      
3 A' 3409 3409 2.08      
4 A' 3388 3388 0.41      
5 A' 1975 1975 72.77      
6 A' 1696 1696 5.28      
7 A' 1659 1659 3.04      
8 A' 1589 1589 1.22      
9 A' 1547 1547 27.42      
10 A' 1462 1462 1.95      
11 A' 1278 1278 129.92      
12 A' 1179 1179 21.60      
13 A' 1094 1094 1.45      
14 A' 861 861 7.74      
15 A' 584 584 14.78      
16 A' 436 436 15.39      
17 A' 224 224 0.99      
18 A" 3558 3558 0.01      
19 A" 3511 3511 0.22      
20 A" 1688 1688 3.29      
21 A" 1382 1382 0.29      
22 A" 1184 1184 0.09      
23 A" 854 854 8.63      
24 A" 679 679 80.23      
25 A" 535 535 1.20      
26 A" 159 159 0.00      
27 A" 54i 54i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21639.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21639.0 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 M06-2X/STO-3G
ABC
0.31906 0.12324 0.09198

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.573 0.000
C2 -0.611 -0.854 0.000
C3 0.494 -1.930 0.000
O4 -1.023 1.538 0.000
O5 1.199 0.879 0.000
H6 -1.255 -0.954 0.886
H7 -1.255 -0.954 -0.886
H8 0.051 -2.932 0.000
H9 1.127 -1.824 -0.887
H10 1.127 -1.824 0.887
H11 -0.501 2.412 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.55232.55081.40651.23732.16562.16563.50512.79382.79381.9062
C21.55231.54172.42772.50591.09921.09922.18072.17962.17963.2682
C32.55081.54173.78512.89602.18902.18901.09541.09541.09544.4542
O41.40652.42773.78512.31742.65532.65534.59754.08894.08891.0179
O51.23732.50592.89602.31743.18813.18813.98002.84632.84632.2887
H62.16561.09922.18902.65533.18811.77112.52993.09412.53603.5616
H72.16561.09922.18902.65533.18811.77112.52992.53603.09413.5616
H83.50512.18071.09544.59753.98002.52992.52991.78091.78095.3724
H92.79382.17961.09544.08892.84633.09412.53601.78091.77414.6245
H102.79382.17961.09544.08892.84632.53603.09411.78091.77414.6245
H111.90623.26824.45421.01792.28873.56163.56165.37244.62454.6245

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 111.059 C1 C2 H6 108.305
C1 C2 H7 108.305 C1 O4 H11 102.486
C2 C1 O4 110.171 C2 C1 O5 127.509
C2 C3 H8 110.420 C2 C3 H9 110.338
C2 C3 H10 110.338 C3 C2 H6 110.850
C3 C2 H7 110.850 O4 C1 O5 122.320
H6 C2 H7 107.339 H8 C3 H9 108.763
H8 C3 H10 108.763 H9 C3 H10 108.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.233      
2 C -0.148      
3 C -0.208      
4 O -0.246      
5 O -0.233      
6 H 0.085      
7 H 0.085      
8 H 0.074      
9 H 0.078      
10 H 0.078      
11 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.707 -0.073 0.000 0.711
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.479 0.083 0.000
y 0.083 -24.053 0.000
z 0.000 0.000 -26.820
Traceless
 xyz
x -6.043 0.083 0.000
y 0.083 5.097 0.000
z 0.000 0.000 0.946
Polar
3z2-r21.893
x2-y2-7.426
xy0.083
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.355 -0.009 0.000
y -0.009 3.807 0.000
z 0.000 0.000 1.907


<r2> (average value of r2) Å2
<r2> 126.496
(<r2>)1/2 11.247