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

using model chemistry: B2PLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-267.920254
Energy at 298.15K 
HF Energy-267.805011
Nuclear repulsion energy233.690520
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/STO-3G
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 3530 3530 1.73      
2 A1 3372 3372 1.94      
3 A1 3357 3357 0.62      
4 A1 1830 1830 16.47      
5 A1 1713 1713 4.78      
6 A1 1680 1680 2.37      
7 A1 1600 1600 1.53      
8 A1 1488 1488 0.23      
9 A1 1211 1211 1.16      
10 A1 1101 1101 1.14      
11 A1 825 825 2.66      
12 A1 403 403 0.00      
13 A1 177 177 0.17      
14 A2 3533 3533 0.00      
15 A2 3474 3474 0.00      
16 A2 1707 1707 0.00      
17 A2 1395 1395 0.00      
18 A2 1118 1118 0.00      
19 A2 811 811 0.00      
20 A2 187 187 0.00      
21 A2 42 42 0.00      
22 B1 3533 3533 3.27      
23 B1 3477 3477 1.96      
24 B1 1707 1707 4.64      
25 B1 1413 1413 0.00      
26 B1 1228 1228 0.03      
27 B1 885 885 10.67      
28 B1 469 469 0.02      
29 B1 161 161 0.03      
30 B1 53 53 0.06      
31 B2 3530 3530 0.86      
32 B2 3369 3369 3.50      
33 B2 3357 3357 3.70      
34 B2 1713 1713 2.06      
35 B2 1678 1678 0.14      
36 B2 1599 1599 0.83      
37 B2 1509 1509 3.15      
38 B2 1217 1217 56.93      
39 B2 1120 1120 9.12      
40 B2 1044 1044 25.46      
41 B2 627 627 4.09      
42 B2 276 276 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 34258.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 34258.7 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/STO-3G
ABC
0.27798 0.06265 0.05318

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.346
C2 0.000 0.000 0.092
C3 0.000 1.320 -0.763
C4 0.000 -1.320 -0.763
C5 0.000 2.595 0.122
C6 0.000 -2.595 0.122
H7 0.887 1.309 -1.420
H8 -0.887 1.309 -1.420
H9 -0.887 -1.309 -1.420
H10 0.887 -1.309 -1.420
H11 0.000 3.500 -0.504
H12 -0.890 2.617 0.767
H13 0.890 2.617 0.767
H14 0.000 -3.500 -0.504
H15 0.890 -2.617 0.767
H16 -0.890 -2.617 0.767

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.25422.48832.48832.86962.86963.18623.18623.18623.18623.95892.82372.82373.95892.82372.8237
C21.25421.57291.57292.59562.59562.18772.18772.18772.18773.55042.84522.84523.55042.84522.8452
C32.48831.57292.64061.55214.01451.10411.10412.85162.85162.19512.19432.19434.82734.31674.3167
C42.48831.57292.64064.01451.55212.85162.85161.10411.10414.82734.31674.31672.19512.19432.1943
C52.86962.59561.55214.01455.19082.19542.19544.29054.29051.10001.09961.09966.12755.32675.3267
C62.86962.59564.01451.55215.19084.29054.29052.19542.19546.12755.32675.32671.10001.09961.0996
H73.18622.18771.10412.85162.19544.29051.77453.16252.61782.53533.10702.54864.97524.49394.8325
H83.18622.18771.10412.85162.19544.29051.77452.61783.16252.53532.54863.10704.97524.83254.4939
H93.18622.18772.85161.10414.29052.19543.16252.61781.77454.97524.49394.83252.53533.10702.5486
H103.18622.18772.85161.10414.29052.19542.61783.16251.77454.97524.83254.49392.53532.54863.1070
H113.95893.55042.19514.82731.10006.12752.53532.53534.97524.97521.78571.78577.00016.31056.3105
H122.82372.84522.19434.31671.09965.32673.10702.54864.49394.83251.78571.77976.31055.52755.2332
H132.82372.84522.19434.31671.09965.32672.54863.10704.83254.49391.78571.77976.31055.23325.5275
H143.95893.55044.82732.19516.12751.10004.97524.97522.53532.53537.00016.31056.31051.78571.7857
H152.82372.84524.31672.19435.32671.09964.49394.83253.10702.54866.31055.52755.23321.78571.7797
H162.82372.84524.31672.19435.32671.09964.83254.49392.54863.10706.31055.23325.52751.78571.7797

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 122.923 O1 C2 C4 122.923
C2 C3 C5 112.315 C2 C3 H7 108.345
C2 C3 H8 108.345 C2 C4 C6 112.315
C2 C4 H9 108.345 C2 C4 H10 108.345
C3 C2 C4 114.154 C3 C5 H11 110.565
C3 C5 H12 110.525 C3 C5 H13 110.525
C4 C6 H14 110.565 C4 C6 H15 110.525
C4 C6 H16 110.525 C5 C3 H7 110.352
C5 C3 H8 110.352 C6 C4 H9 110.352
C6 C4 H10 110.352 H7 C3 H8 106.953
H9 C4 H10 106.953 H11 C5 H12 108.552
H11 C5 H13 108.552 H12 C5 H13 108.045
H14 C6 H15 108.552 H14 C6 H16 108.552
H15 C6 H16 108.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.181      
2 C 0.159      
3 C -0.139      
4 C -0.139      
5 C -0.198      
6 C -0.198      
7 H 0.069      
8 H 0.069      
9 H 0.069      
10 H 0.069      
11 H 0.067      
12 H 0.071      
13 H 0.071      
14 H 0.067      
15 H 0.071      
16 H 0.071      


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 -1.596 1.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.641 0.000 0.000
y 0.000 -35.011 0.000
z 0.000 0.000 -37.586
Traceless
 xyz
x 1.658 0.000 0.000
y 0.000 1.102 0.000
z 0.000 0.000 -2.760
Polar
3z2-r2-5.520
x2-y20.370
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.396 0.000 0.000
y 0.000 4.975 0.000
z 0.000 0.000 4.603


<r2> (average value of r2) Å2
<r2> 221.774
(<r2>)1/2 14.892