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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-268.130614
Energy at 298.15K-268.137754
HF Energy-268.130614
Nuclear repulsion energy178.707277
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 HSEh1PBE/6-31G**
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' 3813 3639 55.56      
2 A' 3169 3025 18.23      
3 A' 3084 2943 17.95      
4 A' 3077 2936 10.83      
5 A' 1881 1795 263.92      
6 A' 1511 1442 15.26      
7 A' 1468 1401 16.10      
8 A' 1444 1378 47.23      
9 A' 1423 1358 32.82      
10 A' 1321 1260 1.11      
11 A' 1198 1143 242.96      
12 A' 1106 1055 35.08      
13 A' 1023 976 4.01      
14 A' 836 798 13.77      
15 A' 620 591 22.13      
16 A' 471 450 21.49      
17 A' 250 239 3.11      
18 A" 3173 3028 17.33      
19 A" 3115 2973 3.68      
20 A" 1504 1435 6.86      
21 A" 1284 1225 0.09      
22 A" 1111 1060 0.46      
23 A" 818 780 23.83      
24 A" 678 647 95.11      
25 A" 522 498 21.68      
26 A" 205 196 0.01      
27 A" 42 40 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20072.9 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 19155.6 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 HSEh1PBE/6-31G**
ABC
0.33996 0.12824 0.09641

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.570 0.000
C2 -0.605 -0.808 0.000
C3 0.441 -1.908 0.000
O4 -0.949 1.528 0.000
O5 1.180 0.825 0.000
H6 -1.267 -0.876 0.872
H7 -1.267 -0.876 -0.872
H8 -0.034 -2.892 0.000
H9 1.085 -1.835 -0.880
H10 1.085 -1.835 0.880
H11 -0.472 2.371 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50512.51661.34861.20772.11092.11093.46192.78062.78061.8627
C21.50511.51792.36172.41991.09671.09672.16042.16402.16403.1827
C32.51661.51793.70662.83112.17792.17791.09301.09261.09264.3759
O41.34862.36173.70662.24212.57732.57734.51384.02714.02710.9686
O51.20772.41992.83112.24213.10553.10553.91052.80302.80302.2633
H62.11091.09672.17792.57733.10551.74322.51863.08522.53983.4553
H72.11091.09672.17792.57733.10551.74322.51862.53983.08523.4553
H83.46192.16041.09304.51383.91052.51862.51861.77331.77335.2817
H92.78062.16401.09264.02712.80303.08522.53981.77331.75994.5706
H102.78062.16401.09264.02712.80302.53983.08521.77331.75994.5706
H111.86273.18274.37590.96862.26333.45533.45535.28174.57064.5706

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 112.715 C1 C2 H6 107.416
C1 C2 H7 107.416 C1 O4 H11 105.836
C2 C1 O4 111.594 C2 C1 O5 125.911
C2 C3 H8 110.627 C2 C3 H9 110.940
C2 C3 H10 110.940 C3 C2 H6 111.803
C3 C2 H7 111.803 O4 C1 O5 122.494
H6 C2 H7 105.270 H8 C3 H9 108.463
H8 C3 H10 108.463 H9 C3 H10 107.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.581      
2 C -0.330      
3 C -0.385      
4 O -0.498      
5 O -0.466      
6 H 0.167      
7 H 0.167      
8 H 0.129      
9 H 0.150      
10 H 0.150      
11 H 0.334      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.481 -0.203 0.000 1.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.153 -0.478 0.000
y -0.478 -24.732 0.000
z 0.000 0.000 -28.976
Traceless
 xyz
x -7.299 -0.478 0.000
y -0.478 6.832 0.000
z 0.000 0.000 0.467
Polar
3z2-r20.934
x2-y2-9.421
xy-0.478
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.848 -0.086 0.000
y -0.086 6.381 0.000
z 0.000 0.000 4.195


<r2> (average value of r2) Å2
<r2> 122.953
(<r2>)1/2 11.088