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

using model chemistry: LSDA/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 LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-267.129309
Energy at 298.15K-267.136353
HF Energy-267.129309
Nuclear repulsion energy179.662283
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 LSDA/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' 3624 3590 60.10      
2 A' 3070 3041 8.29      
3 A' 2987 2959 14.75      
4 A' 2972 2944 6.41      
5 A' 1801 1784 271.97      
6 A' 1425 1411 26.43      
7 A' 1378 1365 55.82      
8 A' 1374 1361 31.57      
9 A' 1348 1335 24.85      
10 A' 1252 1240 1.95      
11 A' 1140 1129 195.56      
12 A' 1083 1073 48.21      
13 A' 988 979 8.96      
14 A' 820 812 14.41      
15 A' 600 594 17.35      
16 A' 463 458 22.86      
17 A' 246 243 3.48      
18 A" 3065 3036 7.29      
19 A" 3004 2976 0.35      
20 A" 1413 1400 10.68      
21 A" 1220 1209 0.33      
22 A" 1058 1048 0.16      
23 A" 782 775 22.14      
24 A" 651 645 73.18      
25 A" 504 499 22.57      
26 A" 191 189 0.02      
27 A" 48 48 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19252.9 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 19072.0 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 LSDA/aug-cc-pVTZ
ABC
0.34325 0.13058 0.09800

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.559 0.000
C2 -0.607 -0.798 0.000
C3 0.423 -1.889 0.000
O4 -0.931 1.527 0.000
O5 1.181 0.800 0.000
H6 -1.279 -0.857 0.873
H7 -1.279 -0.857 -0.873
H8 -0.049 -2.880 0.000
H9 1.074 -1.813 -0.881
H10 1.074 -1.813 0.881
H11 -0.437 2.374 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.48622.48371.34401.20582.09792.09793.43852.74892.74891.8669
C21.48621.50072.34782.39831.10281.10282.15542.15272.15273.1761
C32.48371.50073.67502.79332.17342.17341.09751.09801.09804.3483
O41.34402.34783.67502.23472.56282.56284.49463.99483.99480.9803
O51.20582.39832.79332.23473.09193.09193.87952.75992.75992.2574
H62.09791.10282.17342.56283.09191.74532.52313.08652.53973.4508
H72.09791.10282.17342.56283.09191.74532.52312.53973.08653.4508
H83.43852.15541.09754.49463.87952.52312.52311.78141.78145.2676
H92.74892.15271.09803.99482.75993.08652.53971.78141.76284.5376
H102.74892.15271.09803.99482.75992.53973.08651.78141.76284.5376
H111.86693.17614.34830.98032.25743.45083.45085.26764.53764.5376

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 112.507 C1 C2 H6 107.327
C1 C2 H7 107.327 C1 O4 H11 105.815
C2 C1 O4 112.008 C2 C1 O5 125.654
C2 C3 H8 111.157 C2 C3 H9 110.912
C2 C3 H10 110.912 C3 C2 H6 112.289
C3 C2 H7 112.289 O4 C1 O5 122.338
H6 C2 H7 104.620 H8 C3 H9 108.462
H8 C3 H10 108.462 H9 C3 H10 106.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.508      
2 C -0.131      
3 C -0.549      
4 O -0.308      
5 O -0.644      
6 H 0.186      
7 H 0.186      
8 H 0.175      
9 H 0.198      
10 H 0.198      
11 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.604 -0.381 0.000 1.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.145 -0.430 0.000
y -0.430 -25.763 0.000
z 0.000 0.000 -29.898
Traceless
 xyz
x -7.314 -0.430 0.000
y -0.430 6.759 0.000
z 0.000 0.000 0.556
Polar
3z2-r21.111
x2-y2-9.382
xy-0.430
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.494 -0.176 0.000
y -0.176 8.381 0.000
z 0.000 0.000 5.652


<r2> (average value of r2) Å2
<r2> 121.996
(<r2>)1/2 11.045