return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-271.678628
Energy at 298.15K 
HF Energy-271.678628
Nuclear repulsion energy237.850401
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 B97D3/6-311G*
Rotational Constants (cm-1) from geometry optimized at B97D3/6-311G*
ABC
0.29524 0.06439 0.05500

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.295
C2 0.000 0.000 0.078
C3 0.000 1.297 -0.732
C4 0.000 -1.297 -0.732
C5 0.000 2.561 0.125
C6 0.000 -2.561 0.125
H7 0.872 1.275 -1.406
H8 -0.872 1.275 -1.406
H9 -0.872 -1.275 -1.406
H10 0.872 -1.275 -1.406
H11 0.000 3.459 -0.505
H12 -0.881 2.594 0.775
H13 0.881 2.594 0.775
H14 0.000 -3.459 -0.505
H15 0.881 -2.594 0.775
H16 -0.881 -2.594 0.775

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21742.40672.40672.81592.81593.11113.11113.11113.11113.89952.78902.78903.89952.78902.7890
C21.21741.52911.52912.56172.56172.14142.14142.14142.14143.50802.82732.82733.50802.82732.8273
C32.40671.52912.59391.52753.95231.10221.10222.79762.79762.17432.17522.17524.76174.26504.2650
C42.40671.52912.59393.95231.52752.79762.79761.10221.10224.76174.26504.26502.17432.17522.1752
C52.81592.56171.52753.95235.12252.18152.18154.22094.22091.09681.09551.09556.05345.27075.2707
C62.81592.56173.95231.52755.12254.22094.22092.18152.18156.05345.27075.27071.09681.09551.0955
H73.11112.14141.10222.79762.18154.22091.74473.08892.54902.51913.09382.54874.89714.44104.7747
H83.11112.14141.10222.79762.18154.22091.74472.54903.08892.51912.54873.09384.89714.77474.4410
H93.11112.14142.79761.10224.22092.18153.08892.54901.74474.89714.44104.77472.51913.09382.5487
H103.11112.14142.79761.10224.22092.18152.54903.08891.74474.89714.77474.44102.51912.54873.0938
H113.89953.50802.17434.76171.09686.05342.51912.51914.89714.89711.77811.77816.91866.24996.2499
H122.78902.82732.17524.26501.09555.27073.09382.54874.44104.77471.77811.76276.24995.48005.1888
H132.78902.82732.17524.26501.09555.27072.54873.09384.77474.44101.77811.76276.24995.18885.4800
H143.89953.50804.76172.17436.05341.09684.89714.89712.51912.51916.91866.24996.24991.77811.7781
H152.78902.82734.26502.17525.27071.09554.44104.77473.09382.54876.24995.48005.18881.77811.7627
H162.78902.82734.26502.17525.27071.09554.77474.44102.54873.09386.24995.18885.48001.77811.7627

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 121.987 O1 C2 C4 121.987
C2 C3 C5 113.877 C2 C3 H7 107.839
C2 C3 H8 107.839 C2 C4 C6 113.877
C2 C4 H9 107.839 C2 C4 H10 107.839
C3 C2 C4 116.026 C3 C5 H11 110.831
C3 C5 H12 110.974 C3 C5 H13 110.974
C4 C6 H14 110.831 C4 C6 H15 110.974
C4 C6 H16 110.974 C5 C3 H7 111.079
C5 C3 H8 111.079 C6 C4 H9 111.079
C6 C4 H10 111.079 H7 C3 H8 104.643
H9 C4 H10 104.643 H11 C5 H12 108.405
H11 C5 H13 108.405 H12 C5 H13 107.122
H14 C6 H15 108.405 H14 C6 H16 108.405
H15 C6 H16 107.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.296      
2 C 0.322      
3 C -0.475      
4 C -0.475      
5 C -0.594      
6 C -0.594      
7 H 0.216      
8 H 0.216      
9 H 0.216      
10 H 0.216      
11 H 0.199      
12 H 0.213      
13 H 0.213      
14 H 0.199      
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 -2.573 2.573
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.135 0.000 0.000
y 0.000 -37.458 0.000
z 0.000 0.000 -41.303
Traceless
 xyz
x 2.245 0.000 0.000
y 0.000 1.761 0.000
z 0.000 0.000 -4.006
Polar
3z2-r2-8.013
x2-y20.322
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.228 0.000 0.000
y 0.000 10.560 0.000
z 0.000 0.000 9.001


<r2> (average value of r2) Å2
<r2> 217.428
(<r2>)1/2 14.745