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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-268.361677
Energy at 298.15K-268.368659
HF Energy-268.361677
Nuclear repulsion energy175.450086
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/SDD
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' 3648 3507 31.89      
2 A' 3150 3028 32.98      
3 A' 3064 2946 5.61      
4 A' 3059 2940 31.97      
5 A' 1722 1655 238.36      
6 A' 1525 1466 14.12      
7 A' 1491 1433 31.63      
8 A' 1448 1392 15.50      
9 A' 1406 1351 48.20      
10 A' 1290 1240 7.90      
11 A' 1136 1092 99.49      
12 A' 1070 1028 200.72      
13 A' 1033 993 29.25      
14 A' 807 776 3.85      
15 A' 591 568 15.07      
16 A' 454 436 28.96      
17 A' 246 237 2.79      
18 A" 3157 3035 39.59      
19 A" 3107 2987 4.59      
20 A" 1517 1458 11.68      
21 A" 1283 1233 0.08      
22 A" 1130 1086 0.04      
23 A" 820 789 21.87      
24 A" 645 620 149.96      
25 A" 515 495 32.59      
26 A" 192 184 0.02      
27 A" 16 16 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19759.3 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 18994.6 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 B3LYP/SDD
ABC
0.32531 0.12389 0.09280

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.564 0.000
C2 -0.594 -0.829 0.000
C3 0.473 -1.937 0.000
O4 -1.000 1.535 0.000
O5 1.201 0.870 0.000
H6 -1.252 -0.908 0.876
H7 -1.252 -0.908 -0.876
H8 -0.008 -2.923 0.000
H9 1.117 -1.864 -0.883
H10 1.117 -1.864 0.883
H11 -0.607 2.438 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51452.54491.39361.23952.12132.12133.48652.81492.81491.9695
C21.51451.53712.39882.47171.09861.09862.17362.18552.18553.2671
C32.54491.53713.77082.89992.19102.19101.09661.09561.09564.5055
O41.39362.39883.77082.29902.60692.60694.56644.10054.10050.9847
O51.23952.47172.89992.29903.15363.15363.98082.87492.87492.3927
H62.12131.09862.19102.60693.15361.75212.52503.10182.55463.5177
H72.12131.09862.19102.60693.15361.75212.52502.55463.10183.5177
H83.48652.17361.09664.56643.98082.52502.52501.77901.77905.3936
H92.81492.18551.09564.10052.87493.10182.55461.77901.76654.7178
H102.81492.18551.09564.10052.87492.55463.10181.77901.76654.7178
H111.96953.26714.50550.98472.39273.51773.51775.39364.71784.7178

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 113.012 C1 C2 H6 107.476
C1 C2 H7 107.476 C1 O4 H11 110.636
C2 C1 O4 111.085 C2 C1 O5 127.381
C2 C3 H8 110.110 C2 C3 H9 111.114
C2 C3 H10 111.114 C3 C2 H6 111.369
C3 C2 H7 111.369 O4 C1 O5 121.535
H6 C2 H7 105.764 H8 C3 H9 108.479
H8 C3 H10 108.479 H9 C3 H10 107.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.255      
2 C -0.400      
3 C -0.604      
4 O -0.452      
5 O -0.268      
6 H 0.230      
7 H 0.230      
8 H 0.198      
9 H 0.214      
10 H 0.214      
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
  -1.560 -0.514 0.000 1.642
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.060 -0.764 0.000
y -0.764 -24.540 0.000
z 0.000 0.000 -29.420
Traceless
 xyz
x -9.080 -0.764 0.000
y -0.764 8.200 0.000
z 0.000 0.000 0.880
Polar
3z2-r21.761
x2-y2-11.520
xy-0.764
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.991 -0.124 0.000
y -0.124 6.321 0.000
z 0.000 0.000 4.045


<r2> (average value of r2) Å2
<r2> 127.350
(<r2>)1/2 11.285