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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-268.100929
Energy at 298.15K-268.107931
HF Energy-268.100929
Nuclear repulsion energy176.983481
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 PBEPBE/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' 3577 3557 33.31      
2 A' 3074 3056 16.54      
3 A' 2989 2972 17.71      
4 A' 2978 2961 14.07      
5 A' 1782 1772 229.25      
6 A' 1425 1417 14.24      
7 A' 1381 1373 12.13      
8 A' 1364 1356 38.75      
9 A' 1348 1340 15.18      
10 A' 1258 1251 0.02      
11 A' 1133 1126 203.16      
12 A' 1060 1054 53.78      
13 A' 985 980 5.72      
14 A' 800 795 11.97      
15 A' 591 587 17.34      
16 A' 453 450 19.70      
17 A' 243 242 2.72      
18 A" 3075 3057 15.82      
19 A" 3013 2995 4.28      
20 A" 1415 1407 6.73      
21 A" 1223 1216 0.04      
22 A" 1055 1049 0.03      
23 A" 784 779 19.06      
24 A" 662 658 71.16      
25 A" 507 504 18.75      
26 A" 200 199 0.01      
27 A" 35 35 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19204.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19093.3 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 PBEPBE/cc-pVDZ
ABC
0.33226 0.12624 0.09474

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/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 0.448 -1.921 0.000
O4 -0.968 1.536 0.000
O5 1.191 0.837 0.000
H6 -1.278 -0.886 0.881
H7 -1.278 -0.886 -0.881
H8 -0.030 -2.920 0.000
H9 1.103 -1.846 -0.891
H10 1.103 -1.846 0.891
H11 -0.468 2.385 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51532.53361.36631.22042.13042.13043.49272.80352.80351.8712
C21.51531.52532.38142.44131.11161.11162.18012.18302.18303.2044
C32.53361.52533.73642.85632.19742.19741.10741.10751.10754.4018
O41.36632.38143.73642.27042.59642.59644.55424.06504.06500.9850
O51.22042.44132.85632.27043.13773.13773.95042.82852.82852.2688
H62.13041.11162.19742.59643.13771.76242.54403.11912.56713.4830
H72.13041.11162.19742.59643.13771.76242.54402.56713.11913.4830
H83.49272.18011.10744.55423.95042.54402.54401.79661.79665.3225
H92.80352.18301.10754.06502.82853.11912.56711.79661.78114.5998
H102.80352.18301.10754.06502.82852.56713.11911.79661.78114.5998
H111.87123.20444.40180.98502.26883.48303.48305.32254.59984.5998

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 112.866 C1 C2 H6 107.390
C1 C2 H7 107.390 C1 O4 H11 104.297
C2 C1 O4 111.359 C2 C1 O5 126.007
C2 C3 H8 110.800 C2 C3 H9 111.023
C2 C3 H10 111.023 C3 C2 H6 111.925
C3 C2 H7 111.925 O4 C1 O5 122.635
H6 C2 H7 104.882 H8 C3 H9 108.407
H8 C3 H10 108.407 H9 C3 H10 107.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/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 -0.154 0.000 1.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.985 -0.482 0.000
y -0.482 -25.335 0.000
z 0.000 0.000 -29.288
Traceless
 xyz
x -6.673 -0.482 0.000
y -0.482 6.301 0.000
z 0.000 0.000 0.372
Polar
3z2-r20.745
x2-y2-8.650
xy-0.482
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 4.438


<r2> (average value of r2) Å2
<r2> 124.963
(<r2>)1/2 11.179