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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-268.363628
Energy at 298.15K-268.370776
HF Energy-268.363628
Nuclear repulsion energy178.579151
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 B3PW91/6-311G*
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' 3757 3617 34.91      
2 A' 3131 3014 25.33      
3 A' 3059 2945 19.47      
4 A' 3054 2940 17.00      
5 A' 1849 1780 284.68      
6 A' 1514 1458 13.88      
7 A' 1470 1415 18.63      
8 A' 1433 1379 8.50      
9 A' 1418 1365 55.20      
10 A' 1322 1273 1.06      
11 A' 1186 1142 263.40      
12 A' 1097 1056 53.20      
13 A' 1021 983 2.43      
14 A' 827 796 13.12      
15 A' 620 597 20.67      
16 A' 470 452 21.68      
17 A' 250 241 2.73      
18 A" 3138 3021 26.62      
19 A" 3084 2969 4.67      
20 A" 1509 1453 9.42      
21 A" 1292 1243 0.14      
22 A" 1116 1075 0.41      
23 A" 819 788 25.27      
24 A" 687 661 104.83      
25 A" 527 507 23.37      
26 A" 211 203 0.00      
27 A" 38 36 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19947.2 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 19203.2 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 B3PW91/6-311G*
ABC
0.34045 0.12754 0.09604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.571 0.000
C2 -0.594 -0.813 0.000
C3 0.455 -1.912 0.000
O4 -0.962 1.520 0.000
O5 1.172 0.843 0.000
H6 -1.256 -0.887 0.870
H7 -1.256 -0.887 -0.870
H8 -0.020 -2.896 0.000
H9 1.099 -1.844 -0.879
H10 1.099 -1.844 0.879
H11 -0.510 2.376 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50612.52471.35141.20332.11192.11193.46762.79502.79501.8752
C21.50611.51952.36192.42101.09591.09592.16112.16822.16823.1897
C32.52471.51953.71342.84702.17652.17651.09281.09181.09184.3951
O41.35142.36193.71342.23922.57602.57604.51594.04184.04180.9676
O51.20332.42102.84702.23923.10583.10583.92482.82792.82792.2757
H62.11191.09592.17652.57603.10581.73982.51483.08582.54223.4578
H72.11191.09592.17652.57603.10581.73982.51482.54223.08583.4578
H83.46762.16111.09284.51593.92482.51482.51481.76991.76995.2947
H92.79502.16821.09184.04182.82793.08582.54221.76991.75844.6005
H102.79502.16821.09184.04182.82792.54223.08581.76991.75844.6005
H111.87523.18974.39510.96762.27573.45783.45785.29474.60054.6005

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 113.114 C1 C2 H6 107.471
C1 C2 H7 107.471 C1 O4 H11 106.751
C2 C1 O4 111.380 C2 C1 O5 126.283
C2 C3 H8 110.580 C2 C3 H9 111.204
C2 C3 H10 111.204 C3 C2 H6 111.630
C3 C2 H7 111.630 O4 C1 O5 122.337
H6 C2 H7 105.083 H8 C3 H9 108.224
H8 C3 H10 108.224 H9 C3 H10 107.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.444      
2 C -0.540      
3 C -0.649      
4 O -0.513      
5 O -0.341      
6 H 0.253      
7 H 0.253      
8 H 0.224      
9 H 0.234      
10 H 0.234      
11 H 0.401      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.447 -0.193 0.000 1.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.886 -0.440 0.000
y -0.440 -25.007 0.000
z 0.000 0.000 -29.306
Traceless
 xyz
x -7.729 -0.440 0.000
y -0.440 7.089 0.000
z 0.000 0.000 0.640
Polar
3z2-r21.279
x2-y2-9.879
xy-0.440
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.114 -0.142 0.000
y -0.142 6.681 0.000
z 0.000 0.000 4.391


<r2> (average value of r2) Å2
<r2> 123.655
(<r2>)1/2 11.120