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

using model chemistry: CCSD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/TZVP
 hartrees
Energy at 0K-267.838303
Energy at 298.15K-267.845427
HF Energy-266.941692
Nuclear repulsion energy177.986034
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 CCSD(T)/TZVP
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' 3781 3639        
2 A' 3141 3023        
3 A' 3067 2952        
4 A' 3062 2947        
5 A' 1820 1752        
6 A' 1515 1458        
7 A' 1481 1425        
8 A' 1446 1392        
9 A' 1425 1371        
10 A' 1328 1278        
11 A' 1181 1137        
12 A' 1097 1055        
13 A' 1019 981        
14 A' 823 792        
15 A' 619 596        
16 A' 468 450        
17 A' 255 246        
18 A" 3146 3028        
19 A" 3105 2989        
20 A" 1507 1450        
21 A" 1288 1240        
22 A" 1122 1080        
23 A" 816 785        
24 A" 622 599        
25 A" 500 481        
26 A" 226 217        
27 A" 31 30        

Unscaled Zero Point Vibrational Energy (zpe) 19944.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 19196.6 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 CCSD(T)/TZVP
ABC
0.33715 0.12704 0.09553

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.571 0.000
C2 -0.602 -0.816 0.000
C3 0.457 -1.914 0.000
O4 -0.966 1.530 0.000
O5 1.180 0.835 0.000
H6 -1.254 -0.888 0.877
H7 -1.254 -0.888 -0.877
H8 -0.022 -2.896 0.000
H9 1.096 -1.837 -0.882
H10 1.096 -1.837 0.882
H11 -0.498 2.379 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51192.52641.36181.20942.11412.11413.46702.78802.78801.8759
C21.51191.52552.37442.43001.09471.09472.15972.16852.16853.1970
C32.52641.52553.72682.84332.17882.17881.09251.09191.09194.3982
O41.36182.37443.72682.25582.58872.58874.52634.04544.04540.9695
O51.20942.43002.84332.25583.10893.10893.92062.81522.81522.2799
H62.11411.09472.17882.58873.10891.75312.51373.08432.53403.4666
H72.11411.09472.17882.58873.10891.75312.51372.53403.08433.4666
H83.46702.15971.09254.52633.92062.51372.51371.77471.77475.2970
H92.78802.16851.09194.04542.81523.08432.53401.77471.76384.5924
H102.78802.16851.09194.04542.81522.53403.08431.77471.76384.5924
H111.87593.19704.39820.96952.27993.46663.46665.29704.59244.5924

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 112.561 C1 C2 H6 107.322
C1 C2 H7 107.322 C1 O4 H11 105.925
C2 C1 O4 111.331 C2 C1 O5 126.133
C2 C3 H8 110.068 C2 C3 H9 110.803
C2 C3 H10 110.803 C3 C2 H6 111.457
C3 C2 H7 111.457 O4 C1 O5 122.536
H6 C2 H7 106.394 H8 C3 H9 108.675
H8 C3 H10 108.675 H9 C3 H10 107.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability