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

using model chemistry: CCD/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/cc-pVDZ
 hartrees
Energy at 0K-267.685249
Energy at 298.15K-267.692499
HF Energy-266.870526
Nuclear repulsion energy177.923135
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3826 3660 61.63      
2 A' 3171 3034 20.70      
3 A' 3089 2955 5.02      
4 A' 3083 2949 26.09      
5 A' 1913 1830 260.75      
6 A' 1505 1440 20.45      
7 A' 1470 1407 17.99      
8 A' 1459 1396 42.90      
9 A' 1425 1363 16.90      
10 A' 1341 1283 1.21      
11 A' 1218 1166 257.95      
12 A' 1112 1064 30.95      
13 A' 1028 984 2.17      
14 A' 844 807 9.05      
15 A' 628 600 25.48      
16 A' 474 454 18.70      
17 A' 255 244 2.36      
18 A" 3177 3039 20.76      
19 A" 3130 2995 4.92      
20 A" 1496 1431 5.48      
21 A" 1289 1233 0.02      
22 A" 1121 1072 0.52      
23 A" 820 784 15.55      
24 A" 663 634 88.42      
25 A" 530 507 24.95      
26 A" 226 216 0.00      
27 A" 62 59 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20176.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19303.0 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/cc-pVDZ
ABC
0.33754 0.12701 0.09559

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.575 0.000
C2 -0.607 -0.814 0.000
C3 0.453 -1.915 0.000
O4 -0.958 1.533 0.000
O5 1.179 0.829 0.000
H6 -1.271 -0.884 0.881
H7 -1.271 -0.884 -0.881
H8 -0.024 -2.910 0.000
H9 1.100 -1.836 -0.890
H10 1.100 -1.836 0.890
H11 -0.478 2.377 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51582.53151.35431.20592.12682.12683.48582.79542.79541.8637
C21.51581.52912.37252.42671.10571.10572.17652.17972.17973.1927
C32.53151.52913.72572.83882.19362.19361.10331.10301.10304.3918
O41.35432.37253.72572.24942.59222.59224.54044.04634.04630.9701
O51.20592.42672.83882.24943.11703.11703.92812.81042.81042.2674
H62.12681.10572.19362.59223.11701.76292.53723.10872.55483.4698
H72.12681.10572.19362.59223.11701.76292.53722.55483.10873.4698
H83.48582.17651.10334.54043.92812.53722.53721.79151.79155.3064
H92.79542.17971.10304.04632.81043.10872.55481.79151.77934.5853
H102.79542.17971.10304.04632.81042.55483.10871.79151.77934.5853
H111.86373.19274.39180.97012.26743.46983.46985.30644.58534.5853

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 112.481 C1 C2 H6 107.412
C1 C2 H7 107.412 C1 O4 H11 105.407
C2 C1 O4 111.386 C2 C1 O5 125.769
C2 C3 H8 110.503 C2 C3 H9 110.776
C2 C3 H10 110.776 C3 C2 H6 111.719
C3 C2 H7 111.719 O4 C1 O5 122.845
H6 C2 H7 105.728 H8 C3 H9 108.583
H8 C3 H10 108.583 H9 C3 H10 107.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability