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

using model chemistry: B2PLYP=FULL/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=FULL/6-311G*
 hartrees
Energy at 0K-268.230605
Energy at 298.15K-268.237796
HF Energy-267.939657
Nuclear repulsion energy178.348712
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=FULL/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' 3759 3759 38.41      
2 A' 3150 3150 26.58      
3 A' 3078 3078 15.63      
4 A' 3076 3076 19.39      
5 A' 1828 1828 256.56      
6 A' 1536 1536 12.18      
7 A' 1497 1497 15.43      
8 A' 1454 1454 3.00      
9 A' 1432 1432 51.83      
10 A' 1335 1335 0.34      
11 A' 1188 1188 257.61      
12 A' 1104 1104 66.83      
13 A' 1027 1027 1.55      
14 A' 827 827 9.87      
15 A' 620 620 20.88      
16 A' 472 472 21.95      
17 A' 255 255 2.46      
18 A" 3157 3157 27.99      
19 A" 3107 3107 4.92      
20 A" 1531 1531 8.62      
21 A" 1308 1308 0.04      
22 A" 1134 1134 0.37      
23 A" 826 826 19.91      
24 A" 686 686 109.22      
25 A" 529 529 22.83      
26 A" 218 218 0.00      
27 A" 43 43 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20088.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20088.1 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=FULL/6-311G*
ABC
0.33865 0.12744 0.09584

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.571 0.000
C2 -0.598 -0.814 0.000
C3 0.457 -1.912 0.000
O4 -0.965 1.523 0.000
O5 1.176 0.841 0.000
H6 -1.256 -0.888 0.870
H7 -1.256 -0.888 -0.870
H8 -0.015 -2.896 0.000
H9 1.099 -1.840 -0.878
H10 1.099 -1.840 0.878
H11 -0.512 2.377 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50872.52491.35511.20652.11322.11323.46682.79092.79091.8776
C21.50871.52292.36532.42611.09371.09372.16182.16832.16833.1927
C32.52491.52293.71742.84522.17742.17741.09091.08991.08994.3978
O41.35512.36533.71742.24692.57972.57974.51934.04144.04140.9672
O51.20652.42612.84522.24693.10873.10873.92172.82162.82162.2830
H62.11321.09372.17742.57973.10871.74032.51553.08332.53973.4607
H72.11321.09372.17742.57973.10871.74032.51552.53973.08333.4607
H83.46682.16181.09094.51933.92172.51552.51551.76811.76815.2966
H92.79092.16831.08994.04142.82163.08332.53971.76811.75644.5989
H102.79092.16831.08994.04142.82162.53973.08331.76811.75644.5989
H111.87763.19274.39780.96722.28303.46073.46075.29664.59894.5989

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 112.789 C1 C2 H6 107.520
C1 C2 H7 107.520 C1 O4 H11 106.707
C2 C1 O4 111.246 C2 C1 O5 126.269
C2 C3 H8 110.512 C2 C3 H9 111.086
C2 C3 H10 111.086 C3 C2 H6 111.594
C3 C2 H7 111.594 O4 C1 O5 122.485
H6 C2 H7 105.433 H8 C3 H9 108.335
H8 C3 H10 108.335 H9 C3 H10 107.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability