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

using model chemistry: PBEPBEultrafine/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-268.189012
Energy at 298.15K-268.196034
HF Energy-268.189012
Nuclear repulsion energy177.453075
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-pVTZ
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' 3621 3596 37.76      
2 A' 3056 3035 18.12      
3 A' 2986 2965 20.05      
4 A' 2974 2953 10.31      
5 A' 1763 1751 241.34      
6 A' 1451 1441 10.31      
7 A' 1405 1396 17.05      
8 A' 1367 1358 5.28      
9 A' 1355 1346 45.20      
10 A' 1263 1254 0.59      
11 A' 1121 1114 189.26      
12 A' 1051 1043 92.87      
13 A' 987 981 3.07      
14 A' 794 789 11.35      
15 A' 591 587 14.84      
16 A' 453 450 19.47      
17 A' 242 241 2.76      
18 A" 3059 3038 18.46      
19 A" 3001 2980 2.94      
20 A" 1442 1432 7.56      
21 A" 1238 1230 0.07      
22 A" 1068 1060 0.10      
23 A" 786 780 15.95      
24 A" 648 643 73.19      
25 A" 506 502 20.74      
26 A" 194 193 0.02      
27 A" 48 48 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19235.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 19102.2 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-pVTZ
ABC
0.33486 0.12637 0.09497

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.572 0.000
C2 -0.595 -0.818 0.000
C3 0.457 -1.920 0.000
O4 -0.975 1.529 0.000
O5 1.183 0.845 0.000
H6 -1.261 -0.890 0.875
H7 -1.261 -0.890 -0.875
H8 -0.021 -2.908 0.000
H9 1.103 -1.847 -0.884
H10 1.103 -1.847 0.884
H11 -0.498 2.383 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51162.53311.36641.21452.11982.11983.47992.80202.80201.8790
C21.51161.52372.37732.43491.10161.10162.16782.17412.17413.2026
C32.53311.52373.73432.85892.18542.18541.09781.09731.09734.4080
O41.36642.37733.73432.26402.58862.58864.53854.06224.06220.9783
O51.21452.43492.85892.26403.12303.12303.94192.83522.83522.2790
H62.11981.10162.18542.58863.12301.74902.52453.09812.55093.4735
H72.11981.10162.18542.58863.12301.74902.52452.55093.09813.4735
H83.47992.16781.09784.53853.94192.52452.52451.78051.78055.3129
H92.80202.17411.09734.06222.83523.09812.55091.78051.76744.6094
H102.80202.17411.09734.06222.83522.55093.09811.78051.76744.6094
H111.87903.20264.40800.97832.27903.47353.47355.31294.60944.6094

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 113.138 C1 C2 H6 107.385
C1 C2 H7 107.385 C1 O4 H11 105.319
C2 C1 O4 111.284 C2 C1 O5 126.206
C2 C3 H8 110.515 C2 C3 H9 111.048
C2 C3 H10 111.048 C3 C2 H6 111.694
C3 C2 H7 111.694 O4 C1 O5 122.510
H6 C2 H7 105.092 H8 C3 H9 108.413
H8 C3 H10 108.413 H9 C3 H10 107.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.244      
2 C -0.193      
3 C -0.281      
4 O -0.232      
5 O -0.271      
6 H 0.113      
7 H 0.113      
8 H 0.095      
9 H 0.104      
10 H 0.104      
11 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.488 -0.321 0.000 1.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.686 -0.580 0.000
y -0.580 -25.723 0.000
z 0.000 0.000 -29.668
Traceless
 xyz
x -6.990 -0.580 0.000
y -0.580 6.453 0.000
z 0.000 0.000 0.537
Polar
3z2-r21.073
x2-y2-8.962
xy-0.580
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.858 -0.216 0.000
y -0.216 7.824 0.000
z 0.000 0.000 5.076


<r2> (average value of r2) Å2
<r2> 124.952
(<r2>)1/2 11.178