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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-268.255019
Energy at 298.15K-268.262193
HF Energy-267.952828
Nuclear repulsion energy178.356187
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' 3790 3790 58.73      
2 A' 3146 3146 23.22      
3 A' 3072 3072 15.32      
4 A' 3070 3070 16.14      
5 A' 1826 1826 250.41      
6 A' 1518 1518 11.04      
7 A' 1478 1478 13.20      
8 A' 1438 1438 4.17      
9 A' 1422 1422 54.81      
10 A' 1322 1322 0.65      
11 A' 1180 1180 241.49      
12 A' 1097 1097 71.02      
13 A' 1023 1023 1.43      
14 A' 826 826 9.93      
15 A' 619 619 20.47      
16 A' 471 471 20.42      
17 A' 254 254 2.53      
18 A" 3152 3152 24.52      
19 A" 3103 3103 4.10      
20 A" 1511 1511 7.56      
21 A" 1294 1294 0.02      
22 A" 1123 1123 0.34      
23 A" 822 822 16.15      
24 A" 663 663 90.60      
25 A" 521 521 24.92      
26 A" 215 215 0.00      
27 A" 44 44 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20000.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20000.2 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
0.33879 0.12743 0.09585

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 -0.600 -0.814 0.000
C3 0.455 -1.913 0.000
O4 -0.964 1.525 0.000
O5 1.177 0.837 0.000
H6 -1.256 -0.885 0.872
H7 -1.256 -0.885 -0.872
H8 -0.019 -2.896 0.000
H9 1.095 -1.837 -0.879
H10 1.095 -1.837 0.879
H11 -0.498 2.373 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50922.52591.35581.20632.11142.11143.46732.78832.78831.8689
C21.50921.52362.36702.42481.09381.09382.16162.16662.16663.1879
C32.52591.52363.71952.84322.17862.17861.09121.09041.09044.3905
O41.35582.36703.71952.24822.57942.57944.52084.03974.03970.9669
O51.20632.42482.84322.24823.10523.10523.91972.81632.81632.2722
H62.11141.09382.17862.57943.10521.74392.51693.08282.53713.4561
H72.11141.09382.17862.57943.10521.74392.51692.53713.08283.4561
H83.46732.16161.09124.52083.91972.51692.51691.77091.77095.2902
H92.78832.16661.09044.03972.81633.08282.53711.77091.75854.5865
H102.78832.16661.09044.03972.81632.53713.08281.77091.75854.5865
H111.86893.18794.39050.96692.27223.45613.45615.29024.58654.5865

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 112.787 C1 C2 H6 107.339
C1 C2 H7 107.339 C1 O4 H11 105.926
C2 C1 O4 111.302 C2 C1 O5 126.127
C2 C3 H8 110.429 C2 C3 H9 110.874
C2 C3 H10 110.874 C3 C2 H6 111.631
C3 C2 H7 111.631 O4 C1 O5 122.572
H6 C2 H7 105.727 H8 C3 H9 108.539
H8 C3 H10 108.539 H9 C3 H10 107.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability