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

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-268.514226
Energy at 298.15K-268.521369
HF Energy-268.514226
Nuclear repulsion energy178.255262
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 B3LYPultrafine/aug-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' 3738 3617 60.86      
2 A' 3107 3006 19.86      
3 A' 3045 2946 19.74      
4 A' 3036 2938 10.95      
5 A' 1807 1749 295.89      
6 A' 1504 1455 9.28      
7 A' 1461 1414 15.89      
8 A' 1423 1377 3.70      
9 A' 1402 1356 42.33      
10 A' 1303 1261 4.69      
11 A' 1159 1121 226.97      
12 A' 1080 1045 98.27      
13 A' 1012 979 0.65      
14 A' 813 786 9.23      
15 A' 612 593 16.52      
16 A' 466 451 19.27      
17 A' 250 242 2.88      
18 A" 3114 3012 20.57      
19 A" 3060 2961 2.87      
20 A" 1496 1447 7.04      
21 A" 1288 1246 0.11      
22 A" 1114 1077 0.37      
23 A" 815 788 14.95      
24 A" 649 627 81.21      
25 A" 520 503 24.96      
26 A" 206 199 0.01      
27 A" 51 49 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19763.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 19121.6 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.34018 0.12662 0.09549

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.572 0.000
C2 -0.589 -0.816 0.000
C3 0.459 -1.920 0.000
O4 -0.969 1.523 0.000
O5 1.172 0.849 0.000
H6 -1.248 -0.889 0.869
H7 -1.248 -0.889 -0.869
H8 -0.023 -2.897 0.000
H9 1.100 -1.853 -0.878
H10 1.100 -1.853 0.878
H11 -0.522 2.383 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50832.53421.35751.20402.10912.10913.46962.80432.80431.8844
C21.50831.52252.37002.42371.09271.09272.15692.16792.16793.1996
C32.53421.52253.72772.85942.17542.17541.08971.08891.08894.4134
O41.35752.37003.72772.24402.57932.57934.52064.05604.05600.9684
O51.20402.42372.85942.24403.10353.10353.93232.84252.84252.2851
H62.10911.09272.17542.57933.10351.73752.50773.08112.53813.4622
H72.10911.09272.17542.57933.10351.73752.50772.53813.08113.4622
H83.46962.15691.08974.52063.93232.50772.50771.76671.76675.3036
H92.80432.16791.08894.05602.84253.08112.53811.76671.75634.6203
H102.80432.16791.08894.05602.84252.53813.08111.76671.75634.6203
H111.88443.19964.41340.96842.28513.46223.46225.30364.62034.6203

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 113.476 C1 C2 H6 107.281
C1 C2 H7 107.281 C1 O4 H11 107.032
C2 C1 O4 111.475 C2 C1 O5 126.296
C2 C3 H8 110.217 C2 C3 H9 111.140
C2 C3 H10 111.140 C3 C2 H6 111.514
C3 C2 H7 111.514 O4 C1 O5 122.229
H6 C2 H7 105.317 H8 C3 H9 108.370
H8 C3 H10 108.370 H9 C3 H10 107.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.499      
2 C -0.031      
3 C -0.599      
4 O -0.343      
5 O -0.643      
6 H 0.182      
7 H 0.182      
8 H 0.186      
9 H 0.195      
10 H 0.195      
11 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.580 -0.511 0.000 1.661
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.353 -0.677 0.000
y -0.677 -25.948 0.000
z 0.000 0.000 -29.826
Traceless
 xyz
x -7.466 -0.677 0.000
y -0.677 6.642 0.000
z 0.000 0.000 0.824
Polar
3z2-r21.648
x2-y2-9.405
xy-0.677
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.230 -0.202 0.000
y -0.202 7.978 0.000
z 0.000 0.000 5.465


<r2> (average value of r2) Å2
<r2> 124.606
(<r2>)1/2 11.163