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

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-268.228166
Energy at 298.15K-268.235338
HF Energy-267.952795
Nuclear repulsion energy178.305644
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 B2PLYP/6-311G**
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' 3789 3789 58.56      
2 A' 3144 3144 23.34      
3 A' 3070 3070 15.20      
4 A' 3069 3069 16.36      
5 A' 1825 1825 250.24      
6 A' 1518 1518 10.89      
7 A' 1478 1478 13.15      
8 A' 1438 1438 3.84      
9 A' 1421 1421 54.56      
10 A' 1321 1321 0.65      
11 A' 1179 1179 241.56      
12 A' 1096 1096 71.44      
13 A' 1022 1022 1.39      
14 A' 825 825 9.90      
15 A' 618 618 20.43      
16 A' 470 470 20.40      
17 A' 254 254 2.52      
18 A" 3150 3150 24.67      
19 A" 3101 3101 4.13      
20 A" 1512 1512 7.51      
21 A" 1294 1294 0.02      
22 A" 1123 1123 0.34      
23 A" 822 822 16.02      
24 A" 663 663 90.71      
25 A" 521 521 24.80      
26 A" 215 215 0.00      
27 A" 43 43 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19990.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19990.6 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 B2PLYP/6-311G**
ABC
0.33861 0.12735 0.09579

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.572 0.000
C2 -0.600 -0.814 0.000
C3 0.456 -1.914 0.000
O4 -0.964 1.526 0.000
O5 1.177 0.838 0.000
H6 -1.256 -0.885 0.872
H7 -1.256 -0.885 -0.872
H8 -0.019 -2.897 0.000
H9 1.096 -1.838 -0.879
H10 1.096 -1.838 0.879
H11 -0.498 2.373 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50982.52681.35621.20652.11202.11203.46832.78922.78921.8691
C21.50981.52422.36772.42561.09391.09392.16212.16722.16723.1887
C32.52681.52423.72082.84422.17922.17921.09131.09051.09054.3917
O41.35622.36773.72082.24872.58012.58014.52204.04094.04090.9671
O51.20652.42562.84422.24873.10603.10603.92092.81732.81732.2725
H62.11201.09392.17922.58013.10601.74422.51753.08352.53773.4570
H72.11201.09392.17922.58013.10601.74422.51752.53773.08353.4570
H83.46832.16211.09134.52203.92092.51752.51751.77121.77125.2915
H92.78922.16721.09054.04092.81733.08352.53771.77121.75884.5876
H102.78922.16721.09054.04092.81732.53773.08351.77121.75884.5876
H111.86913.18874.39170.96712.27253.45703.45705.29154.58764.5876

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 112.781 C1 C2 H6 107.341
C1 C2 H7 107.341 C1 O4 H11 105.909
C2 C1 O4 111.294 C2 C1 O5 126.132
C2 C3 H8 110.416 C2 C3 H9 110.870
C2 C3 H10 110.870 C3 C2 H6 111.628
C3 C2 H7 111.628 O4 C1 O5 122.574
H6 C2 H7 105.736 H8 C3 H9 108.544
H8 C3 H10 108.544 H9 C3 H10 107.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.350      
2 C -0.280      
3 C -0.278      
4 O -0.331      
5 O -0.330      
6 H 0.141      
7 H 0.141      
8 H 0.107      
9 H 0.117      
10 H 0.117      
11 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.408 -0.238 0.000 1.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.037 -0.393 0.000
y -0.393 -25.703 0.000
z 0.000 0.000 -29.570
Traceless
 xyz
x -7.401 -0.393 0.000
y -0.393 6.600 0.000
z 0.000 0.000 0.801
Polar
3z2-r21.601
x2-y2-9.334
xy-0.393
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.175 -0.163 0.000
y -0.163 6.743 0.000
z 0.000 0.000 4.463


<r2> (average value of r2) Å2
<r2> 124.079
(<r2>)1/2 11.139