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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-267.017524
Energy at 298.15K-267.024537
HF Energy-267.017524
Nuclear repulsion energy179.195061
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 LSDA/6-31G**
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' 3641 3573 44.17      
2 A' 3100 3042 10.08      
3 A' 3009 2952 13.87      
4 A' 2993 2937 7.14      
5 A' 1839 1804 225.72      
6 A' 1446 1419 32.60      
7 A' 1406 1380 67.54      
8 A' 1398 1371 15.35      
9 A' 1361 1335 24.71      
10 A' 1263 1240 0.16      
11 A' 1156 1134 200.10      
12 A' 1090 1070 23.20      
13 A' 989 970 8.52      
14 A' 825 809 18.18      
15 A' 600 589 21.37      
16 A' 461 452 25.41      
17 A' 246 242 3.46      
18 A" 3097 3039 8.50      
19 A" 3031 2975 1.53      
20 A" 1434 1408 9.70      
21 A" 1221 1199 0.16      
22 A" 1061 1041 0.16      
23 A" 788 774 30.54      
24 A" 682 669 81.93      
25 A" 506 496 20.77      
26 A" 191 187 0.04      
27 A" 34 34 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19433.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19069.8 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 LSDA/6-31G**
ABC
0.34013 0.13044 0.09769

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.560 0.000
C2 -0.621 -0.797 0.000
C3 0.414 -1.890 0.000
O4 -0.923 1.538 0.000
O5 1.192 0.788 0.000
H6 -1.294 -0.856 0.876
H7 -1.294 -0.856 -0.876
H8 -0.053 -2.886 0.000
H9 1.067 -1.809 -0.883
H10 1.067 -1.809 0.883
H11 -0.401 2.371 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.49252.48451.34501.21342.10872.10873.44662.74382.74381.8550
C21.49251.50572.35472.40851.10601.10602.16512.15732.15733.1758
C32.48451.50573.67972.78852.18072.18071.10071.10111.10114.3382
O41.34502.35473.67972.24382.57622.57624.50923.99273.99270.9830
O51.21342.40852.78852.24383.10643.10643.87962.74582.74582.2453
H62.10871.10602.18072.57623.10641.75182.53573.09472.54603.4610
H72.10871.10602.18072.57623.10641.75182.53572.54603.09473.4610
H83.44662.16511.10074.50923.87962.53572.53571.78771.78775.2688
H92.74382.15731.10113.99272.74583.09472.54601.78771.76664.5171
H102.74382.15731.10113.99272.74582.54603.09471.78771.76664.5171
H111.85503.17584.33820.98302.24533.46103.46105.26884.51714.5171

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 111.925 C1 C2 H6 107.552
C1 C2 H7 107.552 C1 O4 H11 104.579
C2 C1 O4 112.061 C2 C1 O5 125.449
C2 C3 H8 111.396 C2 C3 H9 110.743
C2 C3 H10 110.743 C3 C2 H6 112.326
C3 C2 H7 112.326 O4 C1 O5 122.490
H6 C2 H7 104.741 H8 C3 H9 108.565
H8 C3 H10 108.565 H9 C3 H10 106.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.467      
2 C -0.335      
3 C -0.421      
4 O -0.448      
5 O -0.406      
6 H 0.175      
7 H 0.175      
8 H 0.136      
9 H 0.161      
10 H 0.161      
11 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.449 -0.086 0.000 1.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.960 -0.254 0.000
y -0.254 -24.740 0.000
z 0.000 0.000 -29.109
Traceless
 xyz
x -7.036 -0.254 0.000
y -0.254 6.795 0.000
z 0.000 0.000 0.241
Polar
3z2-r20.482
x2-y2-9.220
xy-0.254
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.997 -0.075 0.000
y -0.075 6.745 0.000
z 0.000 0.000 4.288


<r2> (average value of r2) Å2
<r2> 121.671
(<r2>)1/2 11.030