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

using model chemistry: B2PLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31G**
 hartrees
Energy at 0K-271.494767
Energy at 298.15K 
HF Energy-271.201823
Nuclear repulsion energy238.867343
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 B2PLYP/6-31G**
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 3178 3178 30.68      
2 A1 3099 3099 2.17      
3 A1 3072 3072 26.63      
4 A1 1792 1792 90.39      
5 A1 1536 1536 5.76      
6 A1 1500 1500 11.32      
7 A1 1450 1450 8.74      
8 A1 1381 1381 5.81      
9 A1 1135 1135 1.66      
10 A1 1035 1035 1.90      
11 A1 794 794 1.42      
12 A1 413 413 0.40      
13 A1 197 197 0.51      
14 A2 3186 3186 0.00      
15 A2 3096 3096 0.00      
16 A2 1531 1531 0.00      
17 A2 1287 1287 0.00      
18 A2 1019 1019 0.00      
19 A2 727 727 0.00      
20 A2 211 211 0.00      
21 A2 29 29 0.00      
22 B1 3186 3186 43.15      
23 B1 3107 3107 22.43      
24 B1 1531 1531 10.38      
25 B1 1326 1326 1.06      
26 B1 1160 1160 0.10      
27 B1 833 833 9.44      
28 B1 467 467 0.00      
29 B1 188 188 0.30      
30 B1 66 66 0.18      
31 B2 3178 3178 14.72      
32 B2 3099 3099 41.89      
33 B2 3062 3062 9.75      
34 B2 1536 1536 9.13      
35 B2 1488 1488 2.11      
36 B2 1449 1449 0.03      
37 B2 1417 1417 29.07      
38 B2 1161 1161 65.60      
39 B2 1030 1030 10.77      
40 B2 984 984 16.01      
41 B2 629 629 4.60      
42 B2 314 314 13.30      

Unscaled Zero Point Vibrational Energy (zpe) 31437.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 31437.0 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 B2PLYP/6-31G**
ABC
0.29695 0.06518 0.05563

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.283
C2 0.000 0.000 0.062
C3 0.000 1.295 -0.737
C4 0.000 -1.295 -0.737
C5 0.000 2.543 0.137
C6 0.000 -2.543 0.137
H7 0.871 1.279 -1.403
H8 -0.871 1.279 -1.403
H9 -0.871 -1.279 -1.403
H10 0.871 -1.279 -1.403
H11 0.000 3.444 -0.478
H12 -0.878 2.563 0.783
H13 0.878 2.563 0.783
H14 0.000 -3.444 -0.478
H15 0.878 -2.563 0.783
H16 -0.878 -2.563 0.783

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22142.39992.39992.78942.78943.09993.09993.09993.09993.86842.75482.75483.86842.75482.7548
C21.22141.52181.52182.54412.54412.13062.13062.13062.13063.48642.80322.80323.48642.80322.8032
C32.39991.52182.59031.52363.93651.09621.09622.79762.79762.16492.16502.16504.74674.23844.2384
C42.39991.52182.59033.93651.52362.79762.79761.09621.09624.74674.23844.23842.16492.16502.1650
C52.78942.54411.52363.93655.08612.17432.17434.21144.21141.09091.08991.08996.01895.22085.2208
C62.78942.54413.93651.52365.08614.21144.21142.17432.17436.01895.22085.22081.09091.08991.0899
H73.09992.13061.09622.79762.17434.21141.74143.09422.55762.51093.07942.53494.89124.41984.7531
H83.09992.13061.09622.79762.17434.21141.74142.55763.09422.51092.53493.07944.89124.75314.4198
H93.09992.13062.79761.09624.21142.17433.09422.55761.74144.89124.41984.75312.51093.07942.5349
H103.09992.13062.79761.09624.21142.17432.55763.09421.74144.89124.75314.41982.51092.53493.0794
H113.86843.48642.16494.74671.09096.01892.51092.51094.89124.89121.77091.77096.88896.20046.2004
H122.75482.80322.16504.23841.08995.22083.07942.53494.41984.75311.77091.75576.20045.41805.1256
H132.75482.80322.16504.23841.08995.22082.53493.07944.75314.41981.77091.75576.20045.12565.4180
H143.86843.48644.74672.16496.01891.09094.89124.89122.51092.51096.88896.20046.20041.77091.7709
H152.75482.80324.23842.16505.22081.08994.41984.75313.07942.53496.20045.41805.12561.77091.7557
H162.75482.80324.23842.16505.22081.08994.75314.41982.53493.07946.20045.12565.41801.77091.7557

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 121.672 O1 C2 C4 121.672
C2 C3 C5 113.318 C2 C3 H7 107.832
C2 C3 H8 107.832 C2 C4 C6 113.318
C2 C4 H9 107.832 C2 C4 H10 107.832
C3 C2 C4 116.656 C3 C5 H11 110.706
C3 C5 H12 110.776 C3 C5 H13 110.776
C4 C6 H14 110.706 C4 C6 H15 110.776
C4 C6 H16 110.776 C5 C3 H7 111.142
C5 C3 H8 111.142 C6 C4 H9 111.142
C6 C4 H10 111.142 H7 C3 H8 105.171
H9 C4 H10 105.171 H11 C5 H12 108.585
H11 C5 H13 108.585 H12 C5 H13 107.306
H14 C6 H15 108.585 H14 C6 H16 108.585
H15 C6 H16 107.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.436      
2 C 0.425      
3 C -0.274      
4 C -0.274      
5 C -0.312      
6 C -0.312      
7 H 0.122      
8 H 0.122      
9 H 0.122      
10 H 0.122      
11 H 0.100      
12 H 0.123      
13 H 0.123      
14 H 0.100      
15 H 0.123      
16 H 0.123      


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 -2.540 2.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.897 0.000 0.000
y 0.000 -37.001 0.000
z 0.000 0.000 -40.915
Traceless
 xyz
x 2.061 0.000 0.000
y 0.000 1.906 0.000
z 0.000 0.000 -3.966
Polar
3z2-r2-7.932
x2-y20.103
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.657 0.000 0.000
y 0.000 9.333 0.000
z 0.000 0.000 8.226


<r2> (average value of r2) Å2
<r2> 215.016
(<r2>)1/2 14.663