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

using model chemistry: B2PLYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-271.635721
Energy at 298.15K 
HF Energy-271.281951
Nuclear repulsion energy239.331195
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/6-311+G(3df,2p)
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 3134 3134 27.93      
2 A1 3063 3063 1.35      
3 A1 3039 3039 24.33      
4 A1 1767 1767 117.11      
5 A1 1515 1515 6.40      
6 A1 1476 1476 20.31      
7 A1 1428 1428 8.86      
8 A1 1364 1364 5.29      
9 A1 1122 1122 2.46      
10 A1 1028 1028 1.57      
11 A1 786 786 2.30      
12 A1 409 409 0.50      
13 A1 195 195 0.97      
14 A2 3140 3140 0.00      
15 A2 3058 3058 0.00      
16 A2 1507 1507 0.00      
17 A2 1272 1272 0.00      
18 A2 1009 1009 0.00      
19 A2 714 714 0.00      
20 A2 212 212 0.00      
21 A2 27 27 0.00      
22 B1 3141 3141 41.09      
23 B1 3069 3069 15.31      
24 B1 1508 1508 14.42      
25 B1 1316 1316 0.48      
26 B1 1147 1147 0.09      
27 B1 825 825 8.30      
28 B1 468 468 0.01      
29 B1 192 192 0.30      
30 B1 68 68 0.33      
31 B2 3133 3133 12.81      
32 B2 3063 3063 44.91      
33 B2 3029 3029 13.90      
34 B2 1515 1515 10.27      
35 B2 1463 1463 2.58      
36 B2 1427 1427 1.33      
37 B2 1394 1394 30.01      
38 B2 1148 1148 55.93      
39 B2 1019 1019 12.05      
40 B2 972 972 20.65      
41 B2 624 624 3.75      
42 B2 309 309 11.53      

Unscaled Zero Point Vibrational Energy (zpe) 31046.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 31046.6 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 B2PLYP/6-311+G(3df,2p)
ABC
0.29890 0.06523 0.05571

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.285
C2 0.000 0.000 0.072
C3 0.000 1.289 -0.730
C4 0.000 -1.289 -0.730
C5 0.000 2.545 0.128
C6 0.000 -2.545 0.128
H7 0.869 1.265 -1.395
H8 -0.869 1.265 -1.395
H9 -0.869 -1.265 -1.395
H10 0.869 -1.265 -1.395
H11 0.000 3.436 -0.497
H12 -0.876 2.575 0.772
H13 0.876 2.575 0.772
H14 0.000 -3.436 -0.497
H15 0.876 -2.575 0.772
H16 -0.876 -2.575 0.772

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21262.39222.39222.79542.79543.08773.08773.08773.08773.87082.76812.76813.87082.76812.7681
C21.21261.51851.51852.54562.54562.12272.12272.12272.12273.48322.80892.80893.48322.80892.8089
C32.39221.51852.57831.52123.92901.09391.09392.77832.77832.15992.16322.16324.73134.23784.2378
C42.39221.51852.57833.92901.52122.77832.77831.09391.09394.73134.23784.23782.15992.16322.1632
C52.79542.54561.52123.92905.08992.17082.17084.19384.19381.08871.08781.08786.01395.23445.2344
C62.79542.54563.92901.52125.08994.19384.19382.17082.17086.01395.23445.23441.08871.08781.0878
H73.08772.12271.09392.77832.17084.19381.73743.06882.52972.50533.07522.53234.86444.40934.7419
H83.08772.12271.09392.77832.17084.19381.73742.52973.06882.50532.53233.07524.86444.74194.4093
H93.08772.12272.77831.09394.19382.17083.06882.52971.73744.86444.40934.74192.50533.07522.5323
H103.08772.12272.77831.09394.19382.17082.52973.06881.73744.86444.74194.40932.50532.53233.0752
H113.87083.48322.15994.73131.08876.01392.50532.50534.86444.86441.76631.76636.87286.20636.2063
H122.76812.80892.16324.23781.08785.23443.07522.53234.40934.74191.76631.75216.20635.44045.1506
H132.76812.80892.16324.23781.08785.23442.53233.07524.74194.40931.76631.75216.20635.15065.4404
H143.87083.48324.73132.15996.01391.08874.86444.86442.50532.50536.87286.20636.20631.76631.7663
H152.76812.80894.23782.16325.23441.08784.40934.74193.07522.53236.20635.44045.15061.76631.7521
H162.76812.80894.23782.16325.23441.08784.74194.40932.53233.07526.20635.15065.44041.76631.7521

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 121.901 O1 C2 C4 121.901
C2 C3 C5 113.742 C2 C3 H7 107.582
C2 C3 H8 107.582 C2 C4 C6 113.742
C2 C4 H9 107.582 C2 C4 H10 107.582
C3 C2 C4 116.198 C3 C5 H11 110.608
C3 C5 H12 110.926 C3 C5 H13 110.926
C4 C6 H14 110.608 C4 C6 H15 110.926
C4 C6 H16 110.926 C5 C3 H7 111.167
C5 C3 H8 111.167 C6 C4 H9 111.167
C6 C4 H10 111.167 H7 C3 H8 105.148
H9 C4 H10 105.148 H11 C5 H12 108.487
H11 C5 H13 108.487 H12 C5 H13 107.292
H14 C6 H15 108.487 H14 C6 H16 108.487
H15 C6 H16 107.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.729      
2 C 0.256      
3 C -0.143      
4 C -0.143      
5 C -0.385      
6 C -0.385      
7 H 0.160      
8 H 0.160      
9 H 0.160      
10 H 0.160      
11 H 0.139      
12 H 0.153      
13 H 0.153      
14 H 0.139      
15 H 0.153      
16 H 0.153      


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 -2.758 2.758
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.504 0.000 0.000
y 0.000 -37.477 0.000
z 0.000 0.000 -41.935
Traceless
 xyz
x 2.202 0.000 0.000
y 0.000 2.243 0.000
z 0.000 0.000 -4.445
Polar
3z2-r2-8.889
x2-y2-0.027
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.780 0.000 0.000
y 0.000 11.320 0.000
z 0.000 0.000 9.632


<r2> (average value of r2) Å2
<r2> 215.132
(<r2>)1/2 14.667