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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G**
 hartrees
Energy at 0K-268.197376
Energy at 298.15K-268.204536
HF Energy-268.197376
Nuclear repulsion energy178.988163
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 HSEh1PBE/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' 3811 3660 61.48      
2 A' 3145 3020 20.55      
3 A' 3066 2945 18.62      
4 A' 3062 2941 11.84      
5 A' 1864 1790 285.52      
6 A' 1499 1439 16.00      
7 A' 1455 1398 17.03      
8 A' 1430 1373 41.43      
9 A' 1412 1356 36.77      
10 A' 1316 1263 0.09      
11 A' 1189 1142 252.83      
12 A' 1100 1057 43.84      
13 A' 1021 981 3.58      
14 A' 834 801 13.69      
15 A' 624 599 21.18      
16 A' 473 454 20.64      
17 A' 251 241 2.94      
18 A" 3147 3023 21.25      
19 A" 3095 2973 3.33      
20 A" 1490 1431 8.96      
21 A" 1280 1229 0.10      
22 A" 1109 1066 0.40      
23 A" 817 785 22.14      
24 A" 669 643 88.63      
25 A" 523 502 24.79      
26 A" 204 196 0.01      
27 A" 44 42 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19964.9 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 19174.3 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 HSEh1PBE/6-311G**
ABC
0.34184 0.12832 0.09660

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.570 0.000
C2 -0.598 -0.809 0.000
C3 0.449 -1.907 0.000
O4 -0.954 1.522 0.000
O5 1.173 0.831 0.000
H6 -1.259 -0.877 0.871
H7 -1.259 -0.877 -0.871
H8 -0.026 -2.891 0.000
H9 1.092 -1.834 -0.879
H10 1.092 -1.834 0.879
H11 -0.490 2.368 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50312.51741.34761.20142.10642.10643.46072.78302.78301.8639
C21.50311.51682.35772.41371.09551.09552.15862.16302.16303.1793
C32.51741.51683.70452.83272.17622.17621.09221.09171.09174.3772
O41.34762.35773.70452.23592.56982.56984.50884.02744.02740.9658
O51.20142.41372.83272.23593.09673.09673.91042.80822.80822.2639
H62.10641.09552.17622.56983.09671.74192.51673.08302.53813.4469
H72.10641.09552.17622.56983.09671.74192.51672.53813.08303.4469
H83.46072.15861.09224.50883.91042.51672.51671.77161.77165.2794
H92.78302.16301.09174.02742.80823.08302.53811.77161.75854.5755
H102.78302.16301.09174.02742.80822.53813.08301.77161.75854.5755
H111.86393.17934.37720.96582.26393.44693.44695.27944.57554.5755

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 112.935 C1 C2 H6 107.263
C1 C2 H7 107.263 C1 O4 H11 106.178
C2 C1 O4 111.482 C2 C1 O5 126.013
C2 C3 H8 110.605 C2 C3 H9 110.980
C2 C3 H10 110.980 C3 C2 H6 111.813
C3 C2 H7 111.813 O4 C1 O5 122.505
H6 C2 H7 105.311 H8 C3 H9 108.431
H8 C3 H10 108.431 H9 C3 H10 107.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.363      
2 C -0.331      
3 C -0.329      
4 O -0.331      
5 O -0.342      
6 H 0.161      
7 H 0.161      
8 H 0.124      
9 H 0.136      
10 H 0.136      
11 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.497 -0.237 0.000 1.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.694 -0.475 0.000
y -0.475 -25.213 0.000
z 0.000 0.000 -29.302
Traceless
 xyz
x -7.436 -0.475 0.000
y -0.475 6.785 0.000
z 0.000 0.000 0.651
Polar
3z2-r21.302
x2-y2-9.481
xy-0.475
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.158 -0.144 0.000
y -0.144 6.753 0.000
z 0.000 0.000 4.482


<r2> (average value of r2) Å2
<r2> 123.049
(<r2>)1/2 11.093