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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-271.736257
Energy at 298.15K 
HF Energy-271.736257
Nuclear repulsion energy239.203255
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 mPW1PW91/6-31+G**
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 3164 3011 27.12      
2 A1 3083 2934 2.07      
3 A1 3060 2912 26.89      
4 A1 1826 1738 141.31      
5 A1 1506 1434 8.80      
6 A1 1469 1398 18.66      
7 A1 1424 1356 16.37      
8 A1 1361 1296 5.03      
9 A1 1128 1074 1.72      
10 A1 1036 986 3.09      
11 A1 797 758 2.36      
12 A1 413 393 0.43      
13 A1 193 184 0.94      
14 A2 3170 3018 0.00      
15 A2 3086 2937 0.00      
16 A2 1499 1426 0.00      
17 A2 1265 1204 0.00      
18 A2 1003 955 0.00      
19 A2 711 676 0.00      
20 A2 203 193 0.00      
21 A2 17 16 0.00      
22 B1 3171 3018 38.49      
23 B1 3096 2947 16.07      
24 B1 1499 1427 18.44      
25 B1 1311 1248 0.98      
26 B1 1142 1087 0.29      
27 B1 826 786 11.25      
28 B1 468 445 0.05      
29 B1 183 174 0.24      
30 B1 68 65 0.31      
31 B2 3163 3011 12.84      
32 B2 3082 2933 48.63      
33 B2 3051 2904 13.85      
34 B2 1507 1434 14.27      
35 B2 1455 1384 2.78      
36 B2 1424 1356 0.00      
37 B2 1403 1335 44.35      
38 B2 1150 1094 54.14      
39 B2 1020 971 12.16      
40 B2 984 937 18.19      
41 B2 629 598 3.37      
42 B2 305 290 12.34      

Unscaled Zero Point Vibrational Energy (zpe) 31174.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 29671.5 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 mPW1PW91/6-31+G**
ABC
0.29875 0.06522 0.05571

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

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 0.070
C3 0.000 1.290 -0.729
C4 0.000 -1.290 -0.729
C5 0.000 2.544 0.128
C6 0.000 -2.544 0.128
H7 0.871 1.267 -1.397
H8 -0.871 1.267 -1.397
H9 -0.871 -1.267 -1.397
H10 0.871 -1.267 -1.397
H11 0.000 3.439 -0.499
H12 -0.879 2.575 0.775
H13 0.879 2.575 0.775
H14 0.000 -3.439 -0.499
H15 0.879 -2.575 0.775
H16 -0.879 -2.575 0.775

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21452.39122.39122.79462.79463.09123.09123.09123.09123.87392.76842.76843.87392.76842.7684
C21.21451.51721.51722.54492.54492.12522.12522.12522.12523.48582.81122.81123.48582.81122.8112
C32.39121.51722.57951.51943.92861.09781.09782.78232.78232.16172.16542.16544.73454.23974.2397
C42.39121.51722.57953.92861.51942.78232.78231.09781.09784.73454.23974.23972.16172.16542.1654
C52.79462.54491.51943.92865.08842.17182.17184.19644.19641.09271.09191.09196.01615.23465.2346
C62.79462.54493.92861.51945.08844.19644.19642.17182.17186.01615.23465.23461.09271.09191.0919
H73.09122.12521.09782.78232.17184.19641.74153.07462.53392.50683.08122.53634.86964.41414.7482
H83.09122.12521.09782.78232.17184.19641.74152.53393.07462.50682.53633.08124.86964.74824.4141
H93.09122.12522.78231.09784.19642.17183.07462.53391.74154.86964.41414.74822.50683.08122.5363
H103.09122.12522.78231.09784.19642.17182.53393.07461.74154.86964.74824.41412.50682.53633.0812
H113.87393.48582.16174.73451.09276.01612.50682.50684.86964.86961.77251.77256.87836.21056.2105
H122.76842.81122.16544.23971.09195.23463.08122.53634.41414.74821.77251.75766.21055.44245.1508
H132.76842.81122.16544.23971.09195.23462.53633.08124.74824.41411.77251.75766.21055.15085.4424
H143.87393.48584.73452.16176.01611.09274.86964.86962.50682.50686.87836.21056.21051.77251.7725
H152.76842.81124.23972.16545.23461.09194.41414.74823.08122.53636.21055.44245.15081.77251.7576
H162.76842.81124.23972.16545.23461.09194.74824.41412.53633.08126.21055.15085.44241.77251.7576

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 121.780 O1 C2 C4 121.780
C2 C3 C5 113.872 C2 C3 H7 107.634
C2 C3 H8 107.634 C2 C4 C6 113.872
C2 C4 H9 107.634 C2 C4 H10 107.634
C3 C2 C4 116.439 C3 C5 H11 110.644
C3 C5 H12 110.982 C3 C5 H13 110.982
C4 C6 H14 110.644 C4 C6 H15 110.982
C4 C6 H16 110.982 C5 C3 H7 111.135
C5 C3 H8 111.135 C6 C4 H9 111.135
C6 C4 H10 111.135 H7 C3 H8 104.960
H9 C4 H10 104.960 H11 C5 H12 108.462
H11 C5 H13 108.462 H12 C5 H13 107.191
H14 C6 H15 108.462 H14 C6 H16 108.462
H15 C6 H16 107.191
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.390      
2 C 0.137      
3 C -0.103      
4 C -0.103      
5 C -0.670      
6 C -0.670      
7 H 0.183      
8 H 0.183      
9 H 0.183      
10 H 0.183      
11 H 0.163      
12 H 0.185      
13 H 0.185      
14 H 0.163      
15 H 0.185      
16 H 0.185      


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 -2.884 2.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.102 0.000 0.000
y 0.000 -36.834 0.000
z 0.000 0.000 -41.565
Traceless
 xyz
x 2.097 0.000 0.000
y 0.000 2.500 0.000
z 0.000 0.000 -4.597
Polar
3z2-r2-9.194
x2-y2-0.268
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.331 0.000 0.000
y 0.000 10.397 0.000
z 0.000 0.000 9.325


<r2> (average value of r2) Å2
<r2> 214.928
(<r2>)1/2 14.660