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

using model chemistry: CCD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-267.740504
Energy at 298.15K-267.747698
HF Energy-266.887753
Nuclear repulsion energy177.440195
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/aug-cc-pVDZ
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' 3812 3677 67.49      
2 A' 3143 3032 21.62      
3 A' 3067 2958 6.76      
4 A' 3062 2953 23.30      
5 A' 1854 1789 286.74      
6 A' 1497 1444 12.64      
7 A' 1464 1412 9.65      
8 A' 1436 1385 38.04      
9 A' 1413 1362 25.38      
10 A' 1327 1280 0.70      
11 A' 1191 1149 260.11      
12 A' 1101 1062 52.47      
13 A' 1021 985 1.15      
14 A' 832 802 5.49      
15 A' 617 595 21.53      
16 A' 468 451 19.39      
17 A' 251 242 2.61      
18 A" 3149 3037 23.13      
19 A" 3107 2997 3.26      
20 A" 1489 1436 5.69      
21 A" 1284 1239 0.03      
22 A" 1114 1075 0.39      
23 A" 810 781 11.00      
24 A" 646 623 89.89      
25 A" 527 508 22.94      
26 A" 219 211 0.01      
27 A" 55 53 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19977.6 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 19268.4 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/aug-cc-pVDZ
ABC
0.33599 0.12608 0.09495

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.573 0.000
C2 -0.604 -0.817 0.000
C3 0.457 -1.923 0.000
O4 -0.964 1.536 0.000
O5 1.182 0.838 0.000
H6 -1.264 -0.887 0.882
H7 -1.264 -0.887 -0.882
H8 -0.028 -2.913 0.000
H9 1.102 -1.848 -0.890
H10 1.102 -1.848 0.890
H11 -0.503 2.387 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51572.53761.36221.21092.12332.12333.48622.80482.80481.8825
C21.51571.53192.38002.43441.10411.10412.17332.18212.18213.2059
C32.53761.53193.73882.85462.19382.19381.10221.10151.10154.4157
O41.36222.38003.73882.25632.59512.59514.54564.06274.06270.9686
O51.21092.43442.85462.25633.12033.12033.94112.83072.83072.2888
H62.12331.10412.19382.59513.12031.76332.53183.10802.55373.4751
H72.12331.10412.19382.59513.12031.76332.53182.55373.10803.4751
H83.48622.17331.10224.54563.94112.53182.53181.78941.78945.3213
H92.80482.18211.10154.06272.83073.10802.55371.78941.77974.6156
H102.80482.18211.10154.06272.83072.55373.10801.78941.77974.6156
H111.88253.20594.41570.96862.28883.47513.47515.32134.61564.6156

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 112.742 C1 C2 H6 107.239
C1 C2 H7 107.239 C1 O4 H11 106.512
C2 C1 O4 111.469 C2 C1 O5 126.098
C2 C3 H8 110.115 C2 C3 H9 110.855
C2 C3 H10 110.855 C3 C2 H6 111.631
C3 C2 H7 111.631 O4 C1 O5 122.433
H6 C2 H7 105.981 H8 C3 H9 108.583
H8 C3 H10 108.583 H9 C3 H10 107.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability