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

using model chemistry: B3PW91/6-311+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 B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-271.776871
Energy at 298.15K 
HF Energy-271.776871
Nuclear repulsion energy239.547611
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 B3PW91/6-311+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 3119 2986 26.85      
2 A1 3048 2918 1.56      
3 A1 3024 2895 22.91      
4 A1 1803 1726 136.15      
5 A1 1494 1430 7.34      
6 A1 1454 1392 21.87      
7 A1 1409 1349 10.90      
8 A1 1348 1290 5.90      
9 A1 1116 1068 2.26      
10 A1 1025 982 1.91      
11 A1 785 752 2.90      
12 A1 408 390 0.51      
13 A1 191 183 1.00      
14 A2 3125 2992 0.00      
15 A2 3041 2912 0.00      
16 A2 1484 1421 0.00      
17 A2 1256 1202 0.00      
18 A2 995 953 0.00      
19 A2 701 671 0.00      
20 A2 197 188 0.00      
21 A2 30 28 0.00      
22 B1 3125 2992 38.90      
23 B1 3053 2922 13.71      
24 B1 1485 1421 16.20      
25 B1 1302 1247 0.30      
26 B1 1133 1085 0.10      
27 B1 818 783 10.34      
28 B1 465 445 0.01      
29 B1 175 168 0.29      
30 B1 69 66 0.33      
31 B2 3119 2986 11.63      
32 B2 3048 2918 44.52      
33 B2 3015 2886 16.64      
34 B2 1493 1430 11.85      
35 B2 1440 1378 2.75      
36 B2 1408 1348 1.73      
37 B2 1383 1324 38.20      
38 B2 1139 1090 55.16      
39 B2 1006 963 13.75      
40 B2 973 931 21.94      
41 B2 624 597 3.04      
42 B2 302 289 12.08      

Unscaled Zero Point Vibrational Energy (zpe) 30813.5 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 29497.8 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 B3PW91/6-311+G(3df,2p)
ABC
0.30005 0.06528 0.05579

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.284
C2 0.000 0.000 0.076
C3 0.000 1.287 -0.726
C4 0.000 -1.287 -0.726
C5 0.000 2.544 0.124
C6 0.000 -2.544 0.124
H7 0.868 1.260 -1.394
H8 -0.868 1.260 -1.394
H9 -0.868 -1.260 -1.394
H10 0.868 -1.260 -1.394
H11 0.000 3.435 -0.505
H12 -0.877 2.580 0.770
H13 0.877 2.580 0.770
H14 0.000 -3.435 -0.505
H15 0.877 -2.580 0.770
H16 -0.877 -2.580 0.770

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.20742.38622.38622.79612.79613.08413.08413.08413.08413.87322.77272.77273.87322.77272.7727
C21.20741.51631.51632.54472.54472.12212.12212.12212.12213.48422.81162.81163.48422.81162.8116
C32.38621.51632.57351.51773.92411.09611.09612.77222.77222.15992.16302.16304.72724.23754.2375
C42.38621.51632.57353.92411.51772.77222.77221.09611.09614.72724.23754.23752.15992.16302.1630
C52.79612.54471.51773.92415.08852.16992.16994.18674.18671.09081.09001.09006.01265.23855.2385
C62.79612.54473.92411.51775.08854.18674.18672.16992.16996.01265.23855.23851.09081.09001.0900
H73.08412.12211.09612.77222.16994.18671.73693.06012.51942.50553.07782.53504.85674.40744.7404
H83.08412.12211.09612.77222.16994.18671.73692.51943.06012.50552.53503.07784.85674.74044.4074
H93.08412.12212.77221.09614.18672.16993.06012.51941.73694.85674.40744.74042.50553.07782.5350
H103.08412.12212.77221.09614.18672.16992.51943.06011.73694.85674.74044.40742.50552.53503.0778
H113.87323.48422.15994.72721.09086.01262.50552.50554.85674.85671.76851.76856.87076.21106.2110
H122.77272.81162.16304.23751.09005.23853.07782.53504.40744.74041.76851.75406.21105.44945.1594
H132.77272.81162.16304.23751.09005.23852.53503.07784.74044.40741.76851.75406.21105.15945.4494
H143.87323.48424.72722.15996.01261.09084.85674.85672.50552.50556.87076.21106.21101.76851.7685
H152.77272.81164.23752.16305.23851.09004.40744.74043.07782.53506.21105.44945.15941.76851.7540
H162.77272.81164.23752.16305.23851.09004.74044.40742.53503.07786.21105.15945.44941.76851.7540

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 121.942 O1 C2 C4 121.942
C2 C3 C5 114.011 C2 C3 H7 107.556
C2 C3 H8 107.556 C2 C4 C6 114.011
C2 C4 H9 107.556 C2 C4 H10 107.556
C3 C2 C4 116.116 C3 C5 H11 110.732
C3 C5 H12 111.032 C3 C5 H13 111.032
C4 C6 H14 110.732 C4 C6 H15 111.032
C4 C6 H16 111.032 C5 C3 H7 111.208
C5 C3 H8 111.208 C6 C4 H9 111.208
C6 C4 H10 111.208 H7 C3 H8 104.798
H9 C4 H10 104.798 H11 C5 H12 108.382
H11 C5 H13 108.382 H12 C5 H13 107.151
H14 C6 H15 108.382 H14 C6 H16 108.382
H15 C6 H16 107.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.742      
2 C 0.273      
3 C -0.121      
4 C -0.121      
5 C -0.344      
6 C -0.344      
7 H 0.148      
8 H 0.148      
9 H 0.148      
10 H 0.148      
11 H 0.122      
12 H 0.141      
13 H 0.141      
14 H 0.122      
15 H 0.141      
16 H 0.141      


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 -2.781 2.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.002 0.000 0.000
y 0.000 -36.756 0.000
z 0.000 0.000 -41.299
Traceless
 xyz
x 2.025 0.000 0.000
y 0.000 2.394 0.000
z 0.000 0.000 -4.419
Polar
3z2-r2-8.839
x2-y2-0.246
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.806 0.000 0.000
y 0.000 11.447 0.000
z 0.000 0.000 9.652


<r2> (average value of r2) Å2
<r2> 214.545
(<r2>)1/2 14.647