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

using model chemistry: CCD/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 CCD/6-311G**
 hartrees
Energy at 0K-267.777286
Energy at 298.15K-267.784528
HF Energy-266.921276
Nuclear repulsion energy178.557667
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 CCD/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' 3883 3708 61.06      
2 A' 3158 3016 22.92      
3 A' 3085 2946 8.48      
4 A' 3078 2940 21.24      
5 A' 1908 1822 267.64      
6 A' 1527 1459 13.00      
7 A' 1494 1426 10.02      
8 A' 1466 1400 33.37      
9 A' 1444 1380 36.77      
10 A' 1352 1291 0.52      
11 A' 1219 1164 268.39      
12 A' 1117 1066 41.59      
13 A' 1033 987 1.43      
14 A' 845 807 9.79      
15 A' 633 604 25.39      
16 A' 476 455 19.40      
17 A' 258 246 2.27      
18 A" 3164 3022 24.99      
19 A" 3123 2983 3.72      
20 A" 1521 1453 6.12      
21 A" 1305 1246 0.00      
22 A" 1135 1084 0.61      
23 A" 829 792 13.43      
24 A" 650 620 88.74      
25 A" 520 497 32.68      
26 A" 228 218 0.00      
27 A" 52 50 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20250.5 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 19341.2 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 CCD/6-311G**
ABC
0.34060 0.12750 0.09607

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.574 0.000
C2 -0.603 -0.813 0.000
C3 0.457 -1.912 0.000
O4 -0.958 1.527 0.000
O5 1.171 0.832 0.000
H6 -1.258 -0.884 0.876
H7 -1.258 -0.884 -0.876
H8 -0.018 -2.898 0.000
H9 1.097 -1.832 -0.883
H10 1.097 -1.832 0.883
H11 -0.491 2.369 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51272.52801.35111.19952.11612.11613.47242.78792.78791.8610
C21.51271.52712.36682.41991.09641.09642.16582.17012.17013.1841
C32.52801.52713.71892.83572.18322.18321.09441.09361.09364.3850
O41.35112.36683.71892.23982.58322.58324.52404.03554.03550.9625
O51.19952.41992.83572.23983.10113.10113.91532.80742.80742.2645
H62.11611.09642.18322.58323.10111.75272.52243.08892.53903.4554
H72.11611.09642.18322.58323.10111.75272.52242.53903.08893.4554
H83.47242.16581.09444.52403.91532.52242.52241.77771.77775.2885
H92.78792.17011.09364.03552.80743.08892.53901.77771.76574.5773
H102.78792.17011.09364.03552.80742.53903.08891.77771.76574.5773
H111.86103.18414.38500.96252.26453.45543.45545.28854.57734.5773

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 112.530 C1 C2 H6 107.324
C1 C2 H7 107.324 C1 O4 H11 105.876
C2 C1 O4 111.352 C2 C1 O5 125.917
C2 C3 H8 110.318 C2 C3 H9 110.713
C2 C3 H10 110.713 C3 C2 H6 111.591
C3 C2 H7 111.591 O4 C1 O5 122.731
H6 C2 H7 106.133 H8 C3 H9 108.677
H8 C3 H10 108.677 H9 C3 H10 107.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability