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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-271.658834
Energy at 298.15K 
HF Energy-271.658834
Nuclear repulsion energy236.335257
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 BLYP/6-31G**
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 3053 3029 37.11      
2 A1 2986 2963 2.81      
3 A1 2949 2926 30.94      
4 A1 1722 1709 94.84      
5 A1 1477 1465 4.75      
6 A1 1437 1426 10.67      
7 A1 1389 1378 5.88      
8 A1 1315 1305 9.73      
9 A1 1083 1074 1.93      
10 A1 988 981 1.06      
11 A1 750 744 1.95      
12 A1 394 391 0.43      
13 A1 189 187 0.51      
14 A2 3059 3036 0.00      
15 A2 2963 2940 0.00      
16 A2 1470 1459 0.00      
17 A2 1232 1223 0.00      
18 A2 976 968 0.00      
19 A2 696 691 0.00      
20 A2 191 190 0.00      
21 A2 27 26 0.00      
22 B1 3060 3036 51.11      
23 B1 2975 2952 27.04      
24 B1 1470 1459 9.01      
25 B1 1272 1262 0.82      
26 B1 1108 1099 0.16      
27 B1 802 796 9.80      
28 B1 450 447 0.16      
29 B1 165 164 0.28      
30 B1 64 64 0.16      
31 B2 3053 3029 14.26      
32 B2 2985 2962 48.05      
33 B2 2939 2916 11.45      
34 B2 1476 1465 8.06      
35 B2 1425 1414 3.01      
36 B2 1389 1378 0.64      
37 B2 1338 1327 17.88      
38 B2 1103 1094 72.78      
39 B2 977 970 13.34      
40 B2 933 926 24.76      
41 B2 598 593 1.97      
42 B2 299 297 12.78      

Unscaled Zero Point Vibrational Energy (zpe) 30111.2 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 29879.3 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 BLYP/6-31G**
ABC
0.29177 0.06356 0.05430

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.300
C2 0.000 0.000 0.070
C3 0.000 1.309 -0.740
C4 0.000 -1.309 -0.740
C5 0.000 2.577 0.131
C6 0.000 -2.577 0.131
H7 0.877 1.290 -1.415
H8 -0.877 1.290 -1.415
H9 -0.877 -1.290 -1.415
H10 0.877 -1.290 -1.415
H11 0.000 3.481 -0.496
H12 -0.885 2.605 0.784
H13 0.885 2.605 0.784
H14 0.000 -3.481 -0.496
H15 0.885 -2.605 0.784
H16 -0.885 -2.605 0.784

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22962.42342.42342.82912.82913.13063.13063.13063.13063.91712.79882.79883.91712.79882.7988
C21.22961.53941.53942.57732.57732.15342.15342.15342.15343.52712.84202.84203.52712.84202.8420
C32.42341.53942.61851.53783.98231.10681.10682.82492.82492.18582.18692.18694.79694.29224.2922
C42.42341.53942.61853.98231.53782.82492.82491.10681.10684.79694.29224.29222.18582.18692.1869
C52.82912.57731.53783.98235.15322.19432.19434.25554.25551.10091.10001.10006.09045.29665.2966
C62.82912.57733.98231.53785.15324.25554.25552.19432.19436.09045.29665.29661.10091.10001.1000
H73.13062.15341.10682.82492.19434.25551.75363.11942.57982.53303.10922.56174.93754.47224.8068
H83.13062.15341.10682.82492.19434.25551.75362.57983.11942.53302.56173.10924.93754.80684.4722
H93.13062.15342.82491.10684.25552.19433.11942.57981.75364.93754.47224.80682.53303.10922.5617
H103.13062.15342.82491.10684.25552.19432.57983.11941.75364.93754.80684.47222.53302.56173.1092
H113.91713.52712.18584.79691.10096.09042.53302.53304.93754.93751.78601.78606.96296.28186.2818
H122.79882.84202.18694.29221.10005.29663.10922.56174.47224.80681.78601.77046.28185.50185.2091
H132.79882.84202.18694.29221.10005.29662.56173.10924.80684.47221.78601.77046.28185.20915.5018
H143.91713.52714.79692.18586.09041.10094.93754.93752.53302.53306.96296.28186.28181.78601.7860
H152.79882.84204.29222.18695.29661.10004.47224.80683.10922.56176.28185.50185.20911.78601.7704
H162.79882.84204.29222.18695.29661.10004.80684.47222.56173.10926.28185.20915.50181.78601.7704

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 121.733 O1 C2 C4 121.733
C2 C3 C5 113.765 C2 C3 H7 107.815
C2 C3 H8 107.815 C2 C4 C6 113.765
C2 C4 H9 107.815 C2 C4 H10 107.815
C3 C2 C4 116.535 C3 C5 H11 110.772
C3 C5 H12 110.911 C3 C5 H13 110.911
C4 C6 H14 110.772 C4 C6 H15 110.911
C4 C6 H16 110.911 C5 C3 H7 111.097
C5 C3 H8 111.097 C6 C4 H9 111.097
C6 C4 H10 111.097 H7 C3 H8 104.784
H9 C4 H10 104.784 H11 C5 H12 108.480
H11 C5 H13 108.480 H12 C5 H13 107.165
H14 C6 H15 108.480 H14 C6 H16 108.480
H15 C6 H16 107.165
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.420      
2 C 0.409      
3 C -0.224      
4 C -0.224      
5 C -0.272      
6 C -0.272      
7 H 0.102      
8 H 0.102      
9 H 0.102      
10 H 0.102      
11 H 0.082      
12 H 0.108      
13 H 0.108      
14 H 0.082      
15 H 0.108      
16 H 0.108      


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 -2.450 2.450
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.891 0.000 0.000
y 0.000 -36.761 0.000
z 0.000 0.000 -40.690
Traceless
 xyz
x 1.835 0.000 0.000
y 0.000 2.030 0.000
z 0.000 0.000 -3.864
Polar
3z2-r2-7.729
x2-y2-0.130
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.862 0.000 0.000
y 0.000 10.098 0.000
z 0.000 0.000 8.542


<r2> (average value of r2) Å2
<r2> 219.552
(<r2>)1/2 14.817