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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-268.100927
Energy at 298.15K-268.107946
HF Energy-268.100927
Nuclear repulsion energy176.988649
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 PBEPBEultrafine/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' 3575 3554 33.27      
2 A' 3074 3057 16.58      
3 A' 2989 2972 17.91      
4 A' 2978 2961 13.78      
5 A' 1782 1772 229.29      
6 A' 1426 1417 14.10      
7 A' 1381 1373 12.46      
8 A' 1363 1355 38.97      
9 A' 1348 1340 14.88      
10 A' 1258 1251 0.01      
11 A' 1133 1126 203.06      
12 A' 1060 1054 53.79      
13 A' 985 979 5.72      
14 A' 800 795 11.98      
15 A' 591 587 17.36      
16 A' 453 450 19.73      
17 A' 243 241 2.71      
18 A" 3075 3057 15.79      
19 A" 3013 2996 4.26      
20 A" 1414 1406 6.74      
21 A" 1223 1215 0.04      
22 A" 1055 1049 0.03      
23 A" 784 779 18.89      
24 A" 662 658 71.13      
25 A" 507 504 18.94      
26 A" 199 198 0.01      
27 A" 46 45 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19206.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19095.5 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 PBEPBEultrafine/cc-pVDZ
ABC
0.33226 0.12627 0.09475

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.573 0.000
C2 -0.605 -0.817 0.000
C3 0.448 -1.921 0.000
O4 -0.968 1.537 0.000
O5 1.192 0.836 0.000
H6 -1.279 -0.886 0.881
H7 -1.279 -0.886 -0.881
H8 -0.029 -2.920 0.000
H9 1.102 -1.845 -0.891
H10 1.102 -1.845 0.891
H11 -0.467 2.385 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51532.53311.36631.22042.13072.13073.49252.80242.80241.8712
C21.51531.52552.38152.44131.11161.11162.18042.18282.18283.2045
C32.53311.52553.73622.85532.19752.19751.10741.10751.10754.4014
O41.36632.38153.73622.27042.59702.59704.55444.06414.06410.9850
O51.22042.44132.85532.27043.13783.13783.94952.82692.82692.2689
H62.13071.11162.19752.59703.13781.76262.54433.11902.56683.4835
H72.13071.11162.19752.59703.13781.76262.54432.56683.11903.4835
H83.49252.18041.10744.55443.94952.54432.54431.79671.79675.3225
H92.80242.18281.10754.06412.82693.11902.56681.79671.78124.5985
H102.80242.18281.10754.06412.82692.56683.11901.79671.78124.5985
H111.87123.20454.40140.98502.26893.48353.48355.32254.59854.5985

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 112.823 C1 C2 H6 107.409
C1 C2 H7 107.409 C1 O4 H11 104.297
C2 C1 O4 111.364 C2 C1 O5 126.000
C2 C3 H8 110.809 C2 C3 H9 111.001
C2 C3 H10 111.001 C3 C2 H6 111.920
C3 C2 H7 111.920 O4 C1 O5 122.636
H6 C2 H7 104.903 H8 C3 H9 108.421
H8 C3 H10 108.421 H9 C3 H10 107.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.118      
2 C -0.087      
3 C -0.044      
4 O -0.152      
5 O -0.216      
6 H 0.058      
7 H 0.058      
8 H 0.028      
9 H 0.046      
10 H 0.046      
11 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.396 -0.152 0.000 1.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.986 -0.476 0.000
y -0.476 -25.337 0.000
z 0.000 0.000 -29.287
Traceless
 xyz
x -6.674 -0.476 0.000
y -0.476 6.300 0.000
z 0.000 0.000 0.374
Polar
3z2-r20.748
x2-y2-8.649
xy-0.476
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.205 -0.173 0.000
y -0.173 7.148 0.000
z 0.000 0.000 4.437


<r2> (average value of r2) Å2
<r2> 124.944
(<r2>)1/2 11.178