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All results from a given calculation for C5H10O (3-Pentanone)

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-270.159125
Energy at 298.15K 
HF Energy-270.159125
Nuclear repulsion energy238.940364
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 M06-2X/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3184 3016 14.95      
2 A1 3115 2951 0.95      
3 A1 3102 2938 9.22      
4 A1 1785 1691 60.29      
5 A1 1569 1487 8.59      
6 A1 1525 1445 28.24      
7 A1 1487 1409 13.67      
8 A1 1396 1323 8.71      
9 A1 1145 1085 4.89      
10 A1 1040 985 2.55      
11 A1 800 758 1.52      
12 A1 431 408 0.29      
13 A1 214 203 0.45      
14 A2 3194 3025 0.00      
15 A2 3125 2960 0.00      
16 A2 1573 1490 0.00      
17 A2 1315 1246 0.00      
18 A2 1071 1015 0.00      
19 A2 762 722 0.00      
20 A2 247 234 0.00      
21 A2 122 115 0.00      
22 B1 3194 3026 23.86      
23 B1 3135 2970 6.08      
24 B1 1574 1491 19.11      
25 B1 1362 1291 0.81      
26 B1 1186 1123 0.72      
27 B1 869 823 16.67      
28 B1 504 477 0.55      
29 B1 225 213 0.18      
30 B1 94 89 0.16      
31 B2 3184 3016 6.34      
32 B2 3115 2951 27.05      
33 B2 3095 2931 9.40      
34 B2 1569 1486 11.83      
35 B2 1516 1436 3.68      
36 B2 1488 1409 16.14      
37 B2 1408 1334 38.32      
38 B2 1164 1103 77.58      
39 B2 1067 1011 1.26      
40 B2 978 926 17.28      
41 B2 648 614 2.98      
42 B2 342 324 18.58      

Unscaled Zero Point Vibrational Energy (zpe) 31960.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 30272.8 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 M06-2X/3-21G*
ABC
0.29185 0.06620 0.05621

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.275
C2 0.000 0.000 0.045
C3 0.000 1.293 -0.761
C4 0.000 -1.293 -0.761
C5 0.000 2.520 0.161
C6 0.000 -2.520 0.161
H7 0.881 1.289 -1.416
H8 -0.881 1.289 -1.416
H9 -0.881 -1.289 -1.416
H10 0.881 -1.289 -1.416
H11 0.000 3.445 -0.420
H12 -0.881 2.503 0.807
H13 0.881 2.503 0.807
H14 0.000 -3.445 -0.420
H15 0.881 -2.503 0.807
H16 -0.881 -2.503 0.807

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.23042.41212.41212.75512.75513.11183.11183.11183.11183.83962.69482.69483.83962.69482.6948
C21.23041.52361.52362.52242.52242.13852.13852.13852.13853.47612.76122.76123.47612.76122.7612
C32.41211.52362.58631.53433.92271.09811.09812.80612.80612.17842.16792.16794.75024.20104.2010
C42.41211.52362.58633.92271.53432.80612.80611.09811.09814.75024.20104.20102.17842.16792.1679
C52.75512.52241.53433.92275.03942.18602.18604.21574.21571.09271.09291.09295.99285.14045.1404
C62.75512.52243.92271.53435.03944.21574.21572.18602.18605.99285.14045.14041.09271.09291.0929
H73.11182.13851.09812.80612.18604.21571.76183.12282.57832.53273.08602.53354.91714.39624.7362
H83.11182.13851.09812.80612.18604.21571.76182.57833.12282.53272.53353.08604.91714.73624.3962
H93.11182.13852.80611.09814.21572.18603.12282.57831.76184.91714.39624.73622.53273.08602.5335
H103.11182.13852.80611.09814.21572.18602.57833.12281.76184.91714.73624.39622.53272.53353.0860
H113.83963.47612.17844.75021.09275.99282.53272.53274.91714.91711.78061.78066.88966.13706.1370
H122.69482.76122.16794.20101.09295.14043.08602.53354.39624.73621.78061.76256.13705.30765.0065
H132.69482.76122.16794.20101.09295.14042.53353.08604.73624.39621.78061.76256.13705.00655.3076
H143.83963.47614.75022.17845.99281.09274.91714.91712.53272.53276.88966.13706.13701.78061.7806
H152.69482.76124.20102.16795.14041.09294.39624.73623.08602.53356.13705.30765.00651.78061.7625
H162.69482.76124.20102.16795.14041.09294.73624.39622.53353.08606.13705.00655.30761.78061.7625

picture of 3-Pentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 121.925 O1 C2 C4 121.925
C2 C3 C5 111.148 C2 C3 H7 108.216
C2 C3 H8 108.216 C2 C4 C6 111.148
C2 C4 H9 108.216 C2 C4 H10 108.216
C3 C2 C4 116.151 C3 C5 H11 110.917
C3 C5 H12 110.071 C3 C5 H13 110.071
C4 C6 H14 110.917 C4 C6 H15 110.071
C4 C6 H16 110.071 C5 C3 H7 111.198
C5 C3 H8 111.198 C6 C4 H9 111.198
C6 C4 H10 111.198 H7 C3 H8 106.687
H9 C4 H10 106.687 H11 C5 H12 109.114
H11 C5 H13 109.114 H12 C5 H13 107.477
H14 C6 H15 109.114 H14 C6 H16 109.114
H15 C6 H16 107.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.451      
2 C 0.444      
3 C -0.505      
4 C -0.505      
5 C -0.557      
6 C -0.557      
7 H 0.223      
8 H 0.223      
9 H 0.223      
10 H 0.223      
11 H 0.193      
12 H 0.213      
13 H 0.213      
14 H 0.193      
15 H 0.213      
16 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.533 2.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.187 0.000 0.000
y 0.000 -36.987 0.000
z 0.000 0.000 -41.040
Traceless
 xyz
x 1.826 0.000 0.000
y 0.000 2.126 0.000
z 0.000 0.000 -3.953
Polar
3z2-r2-7.905
x2-y2-0.200
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.120 0.000 0.000
y 0.000 8.456 0.000
z 0.000 0.000 7.601


<r2> (average value of r2) Å2
<r2> 213.163
(<r2>)1/2 14.600