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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G3B3
 hartrees
Energy at 0K-271.545677
Energy at 298.15K-271.536702
HF Energy-271.785157
Nuclear repulsion energy238.231129
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 B3LYP/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 3133 3009 35.57      
2 A1 3066 2944 2.36      
3 A1 3033 2912 28.94      
4 A1 1811 1739 108.38      
5 A1 1529 1468 6.95      
6 A1 1493 1434 12.46      
7 A1 1443 1386 8.43      
8 A1 1373 1319 7.25      
9 A1 1125 1080 2.15      
10 A1 1026 986 1.68      
11 A1 784 753 1.52      
12 A1 408 391 0.42      
13 A1 195 187 0.55      
14 A2 3141 3016 0.00      
15 A2 3048 2927 0.00      
16 A2 1523 1463 0.00      
17 A2 1277 1227 0.00      
18 A2 1014 973 0.00      
19 A2 722 693 0.00      
20 A2 204 196 0.00      
21 A2 32 31 0.00      
22 B1 3141 3017 48.30      
23 B1 3060 2938 25.25      
24 B1 1523 1463 11.20      
25 B1 1320 1267 0.84      
26 B1 1153 1107 0.07      
27 B1 830 797 10.86      
28 B1 467 448 0.02      
29 B1 181 173 0.29      
30 B1 67 65 0.17      
31 B2 3133 3009 14.93      
32 B2 3065 2944 45.35      
33 B2 3022 2903 11.02      
34 B2 1528 1468 9.27      
35 B2 1482 1423 2.56      
36 B2 1442 1385 0.62      
37 B2 1403 1348 25.48      
38 B2 1147 1102 70.40      
39 B2 1021 980 11.14      
40 B2 971 933 19.21      
41 B2 624 599 3.96      
42 B2 310 298 13.15      

Unscaled Zero Point Vibrational Energy (zpe) 31134.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 29898.1 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 B3LYP/6-31G*
ABC
0.29673 0.06462 0.05522

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.285
C2 0.000 0.000 0.068
C3 0.000 1.299 -0.735
C4 0.000 -1.299 -0.735
C5 0.000 2.555 0.134
C6 0.000 -2.555 0.134
H7 0.873 1.282 -1.405
H8 -0.873 1.282 -1.405
H9 -0.873 -1.282 -1.405
H10 0.873 -1.282 -1.405
H11 0.000 3.456 -0.488
H12 -0.881 2.581 0.782
H13 0.881 2.581 0.782
H14 0.000 -3.456 -0.488
H15 0.881 -2.581 0.782
H16 -0.881 -2.581 0.782

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21702.40112.40112.80192.80193.10463.10463.10463.10463.88412.77312.77313.88412.77312.7731
C21.21701.52661.52662.55562.55562.13852.13852.13852.13853.50032.81942.81943.50032.81942.8194
C32.40111.52662.59721.52743.95011.10021.10022.80532.80532.17142.17332.17334.76094.25804.2580
C42.40111.52662.59723.95011.52742.80532.80531.10021.10024.76094.25804.25802.17142.17332.1733
C52.80192.55561.52743.95015.10952.17932.17934.22504.22501.09501.09401.09406.04285.25105.2510
C62.80192.55563.95011.52745.10954.22504.22502.17932.17936.04285.25105.25101.09501.09401.0940
H73.10462.13851.10022.80532.17934.22501.74513.10152.56402.51553.08972.54414.90414.43944.7731
H83.10462.13851.10022.80532.17934.22501.74512.56403.10152.51552.54413.08974.90414.77314.4394
H93.10462.13852.80531.10024.22502.17933.10152.56401.74514.90414.43944.77312.51553.08972.5441
H103.10462.13852.80531.10024.22502.17932.56403.10151.74514.90414.77314.43942.51552.54413.0897
H113.88413.50032.17144.76091.09506.04282.51552.51554.90414.90411.77631.77636.91196.23186.2318
H122.77312.81942.17334.25801.09405.25103.08972.54414.43944.77311.77631.76156.23185.45455.1622
H132.77312.81942.17334.25801.09405.25102.54413.08974.77314.43941.77631.76156.23185.16225.4545
H143.88413.50034.76092.17146.04281.09504.90414.90412.51552.51556.91196.23186.23181.77631.7763
H152.77312.81944.25802.17335.25101.09404.43944.77313.08972.54416.23185.45455.16221.77631.7615
H162.77312.81944.25802.17335.25101.09404.77314.43942.54413.08976.23185.16225.45451.77631.7615

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 121.714 O1 C2 C4 121.714
C2 C3 C5 113.599 C2 C3 H7 107.913
C2 C3 H8 107.913 C2 C4 C6 113.599
C2 C4 H9 107.913 C2 C4 H10 107.913
C3 C2 C4 116.571 C3 C5 H11 110.660
C3 C5 H12 110.936 C3 C5 H13 110.936
C4 C6 H14 110.660 C4 C6 H15 110.936
C4 C6 H16 110.936 C5 C3 H7 111.026
C5 C3 H8 111.026 C6 C4 H9 111.026
C6 C4 H10 111.026 H7 C3 H8 104.931
H9 C4 H10 104.931 H11 C5 H12 108.483
H11 C5 H13 108.483 H12 C5 H13 107.226
H14 C6 H15 108.483 H14 C6 H16 108.483
H15 C6 H16 107.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.443      
2 C 0.457      
3 C -0.349      
4 C -0.349      
5 C -0.432      
6 C -0.432      
7 H 0.157      
8 H 0.157      
9 H 0.157      
10 H 0.157      
11 H 0.139      
12 H 0.161      
13 H 0.161      
14 H 0.139      
15 H 0.161      
16 H 0.161      


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 -2.568 2.568
CHELPG -0.013 -2.544 0.000 2.544
AIM        
ESP 0.001 0.000 -2.546 2.546


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 216.320
(<r2>)1/2 14.708