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

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-268.514227
Energy at 298.15K-268.521356
HF Energy-268.514227
Nuclear repulsion energy178.251557
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/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' 3740 3619 60.90      
2 A' 3108 3007 19.95      
3 A' 3046 2947 19.49      
4 A' 3037 2938 11.17      
5 A' 1808 1749 295.97      
6 A' 1503 1454 9.31      
7 A' 1460 1413 15.87      
8 A' 1424 1378 3.58      
9 A' 1402 1356 42.26      
10 A' 1303 1261 4.55      
11 A' 1160 1122 227.36      
12 A' 1081 1046 98.23      
13 A' 1012 979 0.65      
14 A' 813 787 9.18      
15 A' 613 593 16.50      
16 A' 466 451 19.19      
17 A' 251 243 2.87      
18 A" 3114 3012 20.62      
19 A" 3060 2961 2.87      
20 A" 1496 1448 7.03      
21 A" 1287 1246 0.11      
22 A" 1113 1077 0.37      
23 A" 814 788 15.09      
24 A" 649 628 81.55      
25 A" 520 503 24.59      
26 A" 208 201 0.02      
27 A" 41 39 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19764.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 19121.8 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/aug-cc-pVTZ
ABC
0.34018 0.12660 0.09547

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 0.850 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 -1.854 -0.878
H10 1.100 -1.854 0.878
H11 -0.523 2.383 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50822.53461.35751.20402.10882.10883.46982.80512.80511.8844
C21.50821.52232.36992.42371.09281.09282.15672.16792.16793.1996
C32.53461.52233.72782.86022.17532.17531.08971.08901.08904.4138
O41.35752.36993.72782.24412.57882.57884.52044.05664.05660.9684
O51.20402.42372.86022.24413.10343.10343.93302.84382.84382.2853
H62.10881.09282.17532.57883.10341.73742.50753.08122.53833.4618
H72.10881.09282.17532.57883.10341.73742.50752.53833.08123.4618
H83.46982.15671.08974.52043.93302.50752.50751.76661.76665.3037
H92.80512.16791.08904.05662.84383.08122.53831.76661.75624.6213
H102.80512.16791.08904.05662.84382.53833.08121.76661.75624.6213
H111.88443.19964.41380.96842.28533.46183.46185.30374.62134.6213

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 113.515 C1 C2 H6 107.264
C1 C2 H7 107.264 C1 O4 H11 107.039
C2 C1 O4 111.470 C2 C1 O5 126.298
C2 C3 H8 110.213 C2 C3 H9 111.156
C2 C3 H10 111.156 C3 C2 H6 111.519
C3 C2 H7 111.519 O4 C1 O5 122.232
H6 C2 H7 105.296 H8 C3 H9 108.361
H8 C3 H10 108.361 H9 C3 H10 107.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/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 0.183      
7 H 0.183      
8 H 0.186      
9 H 0.195      
10 H 0.195      
11 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.580 -0.512 0.000 1.661
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.353 -0.683 0.000
y -0.683 -25.946 0.000
z 0.000 0.000 -29.827
Traceless
 xyz
x -7.466 -0.683 0.000
y -0.683 6.644 0.000
z 0.000 0.000 0.822
Polar
3z2-r21.644
x2-y2-9.407
xy-0.683
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 7.979 0.000
z 0.000 0.000 5.465


<r2> (average value of r2) Å2
<r2> 124.620
(<r2>)1/2 11.163