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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-271.293218
Energy at 298.15K 
HF Energy-271.095215
Nuclear repulsion energy237.233906
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
(Å4/u)
Dep P Dep U
1 A1 3156 3156 34.93      
2 A1 3079 3079 1.75      
3 A1 3048 3048 28.24      
4 A1 1684 1684 55.67      
5 A1 1561 1561 9.38      
6 A1 1530 1530 22.87      
7 A1 1482 1482 7.87      
8 A1 1398 1398 9.94      
9 A1 1145 1145 3.66      
10 A1 1051 1051 3.19      
11 A1 794 794 1.03      
12 A1 419 419 0.32      
13 A1 201 201 0.63      
14 A2 3165 3165 0.00      
15 A2 3071 3071 0.00      
16 A2 1557 1557 0.00      
17 A2 1306 1306 0.00      
18 A2 1054 1054 0.00      
19 A2 761 761 0.00      
20 A2 201 201 0.00      
21 A2 35 35 0.00      
22 B1 3166 3166 50.58      
23 B1 3082 3082 23.83      
24 B1 1557 1557 13.72      
25 B1 1340 1340 1.24      
26 B1 1187 1187 0.32      
27 B1 855 855 12.69      
28 B1 476 476 0.05      
29 B1 181 181 0.26      
30 B1 64 64 0.19      
31 B2 3156 3156 16.06      
32 B2 3078 3078 46.33      
33 B2 3039 3039 10.83      
34 B2 1561 1561 9.35      
35 B2 1522 1522 1.01      
36 B2 1482 1482 8.24      
37 B2 1414 1414 23.94      
38 B2 1178 1178 68.61      
39 B2 1069 1069 1.47      
40 B2 982 982 18.30      
41 B2 635 635 3.99      
42 B2 319 319 13.93      

Unscaled Zero Point Vibrational Energy (zpe) 31519.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 31519.2 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
0.29094 0.06454 0.05496

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 1.304
C2 0.000 0.000 0.054
C3 0.000 1.299 -0.743
C4 0.000 -1.299 -0.743
C5 0.000 2.556 0.135
C6 0.000 -2.556 0.135
H7 0.876 1.289 -1.408
H8 -0.876 1.289 -1.408
H9 -0.876 -1.289 -1.408
H10 0.876 -1.289 -1.408
H11 0.000 3.459 -0.484
H12 -0.881 2.578 0.783
H13 0.881 2.578 0.783
H14 0.000 -3.459 -0.484
H15 0.881 -2.578 0.783
H16 -0.881 -2.578 0.783

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.25052.42452.42452.81102.81103.12853.12853.12853.12853.89372.77402.77403.89372.77402.7740
C21.25051.52401.52402.55772.55772.13702.13702.13702.13703.50022.82052.82053.50022.82052.8205
C32.42451.52402.59881.53343.95451.10001.10002.81262.81262.17462.17692.17694.76504.25914.2591
C42.42451.52402.59883.95451.53342.81262.81261.10001.10004.76504.25914.25912.17462.17692.1769
C52.81102.55771.53343.95455.11292.18082.18084.23554.23551.09461.09351.09356.04695.24995.2499
C62.81102.55773.95451.53345.11294.23554.23552.18082.18086.04695.24995.24991.09461.09351.0935
H73.12852.13701.10002.81262.18084.23551.75103.11682.57852.51533.09022.54254.91554.44534.7797
H83.12852.13701.10002.81262.18084.23551.75102.57853.11682.51532.54253.09024.91554.77974.4453
H93.12852.13702.81261.10004.23552.18083.11682.57851.75104.91554.44534.77972.51533.09022.5425
H103.12852.13702.81261.10004.23552.18082.57853.11681.75104.91554.77974.44532.51532.54253.0902
H113.89373.50022.17464.76501.09466.04692.51532.51534.91554.91551.77681.77686.91726.23116.2311
H122.77402.82052.17694.25911.09355.24993.09022.54254.44534.77971.77681.76166.23115.44935.1567
H132.77402.82052.17694.25911.09355.24992.54253.09024.77974.44531.77681.76166.23115.15675.4493
H143.89373.50024.76502.17466.04691.09464.91554.91552.51532.51536.91726.23116.23111.77681.7768
H152.77402.82054.25912.17695.24991.09354.44534.77973.09022.54256.23115.44935.15671.77681.7616
H162.77402.82054.25912.17695.24991.09354.77974.44532.54253.09026.23115.15675.44931.77681.7616

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 121.504 O1 C2 C4 121.504
C2 C3 C5 113.561 C2 C3 H7 107.966
C2 C3 H8 107.966 C2 C4 C6 113.561
C2 C4 H9 107.966 C2 C4 H10 107.966
C3 C2 C4 116.991 C3 C5 H11 110.573
C3 C5 H12 110.827 C3 C5 H13 110.827
C4 C6 H14 110.573 C4 C6 H15 110.827
C4 C6 H16 110.827 C5 C3 H7 110.745
C5 C3 H8 110.745 C6 C4 H9 110.745
C6 C4 H10 110.745 H7 C3 H8 105.486
H9 C4 H10 105.486 H11 C5 H12 108.595
H11 C5 H13 108.595 H12 C5 H13 107.321
H14 C6 H15 108.595 H14 C6 H16 108.595
H15 C6 H16 107.321
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 -0.426      
2 C 0.390      
3 C -0.342      
4 C -0.342      
5 C -0.395      
6 C -0.395      
7 H 0.158      
8 H 0.158      
9 H 0.158      
10 H 0.158      
11 H 0.130      
12 H 0.154      
13 H 0.154      
14 H 0.130      
15 H 0.154      
16 H 0.154      


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 -2.844 2.844
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.362 0.000 0.000
y 0.000 -37.105 0.000
z 0.000 0.000 -41.932
Traceless
 xyz
x 2.157 0.000 0.000
y 0.000 2.541 0.000
z 0.000 0.000 -4.698
Polar
3z2-r2-9.397
x2-y2-0.256
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.527 0.000 0.000
y 0.000 8.933 0.000
z 0.000 0.000 8.254


<r2> (average value of r2) Å2
<r2> 217.573
(<r2>)1/2 14.750