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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-268.360978
Energy at 298.15K-268.367960
HF Energy-268.360978
Nuclear repulsion energy175.464875
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 B3LYP/LANL2DZ
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' 3649 3507 32.15      
2 A' 3150 3027 32.79      
3 A' 3064 2945 5.48      
4 A' 3059 2940 31.88      
5 A' 1721 1654 236.32      
6 A' 1525 1466 13.97      
7 A' 1491 1433 31.80      
8 A' 1448 1392 15.42      
9 A' 1406 1351 48.36      
10 A' 1290 1240 7.83      
11 A' 1136 1092 97.58      
12 A' 1069 1028 201.10      
13 A' 1033 993 29.93      
14 A' 808 777 3.82      
15 A' 591 568 15.01      
16 A' 454 436 29.09      
17 A' 246 236 2.80      
18 A" 3157 3035 39.45      
19 A" 3107 2987 4.56      
20 A" 1517 1458 11.68      
21 A" 1283 1233 0.09      
22 A" 1130 1086 0.04      
23 A" 821 789 21.80      
24 A" 644 619 149.46      
25 A" 516 496 33.35      
26 A" 192 184 0.02      
27 A" 17 16 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19761.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 18994.4 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 B3LYP/LANL2DZ
ABC
0.32534 0.12391 0.09282

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.564 0.000
C2 -0.593 -0.829 0.000
C3 0.473 -1.936 0.000
O4 -1.000 1.534 0.000
O5 1.201 0.871 0.000
H6 -1.252 -0.907 0.876
H7 -1.252 -0.907 -0.876
H8 -0.007 -2.922 0.000
H9 1.117 -1.864 -0.883
H10 1.117 -1.864 0.883
H11 -0.607 2.437 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51412.54451.39361.23942.12092.12093.48602.81462.81461.9695
C21.51411.53702.39842.47151.09861.09862.17342.18542.18543.2666
C32.54451.53703.77042.89992.19092.19091.09661.09561.09564.5051
O41.39362.39843.77042.29882.60632.60634.56584.10024.10020.9846
O51.23942.47152.89992.29883.15323.15323.98072.87502.87502.3923
H62.12091.09862.19092.60633.15321.75212.52483.10172.55453.5170
H72.12091.09862.19092.60633.15321.75212.52482.55453.10173.5170
H83.48602.17341.09664.56583.98072.52482.52481.77901.77905.3929
H92.81462.18541.09564.10022.87503.10172.55451.77901.76654.7174
H102.81462.18541.09564.10022.87502.55453.10171.77901.76654.7174
H111.96953.26664.50510.98462.39233.51703.51705.39294.71744.7174

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 113.016 C1 C2 H6 107.469
C1 C2 H7 107.469 C1 O4 H11 110.630
C2 C1 O4 111.076 C2 C1 O5 127.404
C2 C3 H8 110.104 C2 C3 H9 111.113
C2 C3 H10 111.113 C3 C2 H6 111.373
C3 C2 H7 111.373 O4 C1 O5 121.520
H6 C2 H7 105.767 H8 C3 H9 108.482
H8 C3 H10 108.482 H9 C3 H10 107.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.252      
2 C -0.397      
3 C -0.608      
4 O -0.453      
5 O -0.270      
6 H 0.231      
7 H 0.231      
8 H 0.200      
9 H 0.216      
10 H 0.216      
11 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.561 -0.517 0.000 1.645
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.055 -0.766 0.000
y -0.766 -24.527 0.000
z 0.000 0.000 -29.421
Traceless
 xyz
x -9.081 -0.766 0.000
y -0.766 8.211 0.000
z 0.000 0.000 0.870
Polar
3z2-r21.740
x2-y2-11.528
xy-0.766
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.986 -0.123 0.000
y -0.123 6.315 0.000
z 0.000 0.000 4.037


<r2> (average value of r2) Å2
<r2> 127.325
(<r2>)1/2 11.284