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

using model chemistry: TPSSh/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-270.315240
Energy at 298.15K 
HF Energy-270.315240
Nuclear repulsion energy237.857333
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 TPSSh/3-21G*
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 3130 3022 29.15      
2 A1 3062 2957 2.66      
3 A1 3037 2932 20.83      
4 A1 1710 1651 48.86      
5 A1 1564 1510 5.94      
6 A1 1509 1457 25.74      
7 A1 1466 1416 11.11      
8 A1 1362 1315 11.81      
9 A1 1124 1086 4.14      
10 A1 1011 977 1.85      
11 A1 767 741 1.61      
12 A1 415 401 0.33      
13 A1 193 187 0.34      
14 A2 3134 3027 0.00      
15 A2 3056 2951 0.00      
16 A2 1564 1510 0.00      
17 A2 1296 1252 0.00      
18 A2 1039 1004 0.00      
19 A2 726 701 0.00      
20 A2 188 181 0.00      
21 A2 31 30 0.00      
22 B1 3135 3027 46.83      
23 B1 3066 2961 13.95      
24 B1 1564 1510 15.75      
25 B1 1340 1294 0.93      
26 B1 1163 1123 0.66      
27 B1 837 808 14.64      
28 B1 477 460 1.22      
29 B1 150 145 0.14      
30 B1 64 61 0.14      
31 B2 3129 3022 16.62      
32 B2 3062 2957 39.31      
33 B2 3028 2924 11.88      
34 B2 1563 1509 10.26      
35 B2 1501 1449 3.71      
36 B2 1467 1417 11.71      
37 B2 1368 1321 23.74      
38 B2 1137 1098 79.51      
39 B2 1033 998 5.59      
40 B2 952 919 20.03      
41 B2 620 599 1.22      
42 B2 316 305 17.42      

Unscaled Zero Point Vibrational Energy (zpe) 31177.5 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 30108.1 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 TPSSh/3-21G*
ABC
0.28858 0.06561 0.05567

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.289
C2 0.000 0.000 0.048
C3 0.000 1.297 -0.762
C4 0.000 -1.297 -0.762
C5 0.000 2.532 0.156
C6 0.000 -2.532 0.156
H7 0.882 1.293 -1.421
H8 -0.882 1.293 -1.421
H9 -0.882 -1.293 -1.421
H10 0.882 -1.293 -1.421
H11 0.000 3.456 -0.433
H12 -0.884 2.520 0.803
H13 0.884 2.520 0.803
H14 0.000 -3.456 -0.433
H15 0.884 -2.520 0.803
H16 -0.884 -2.520 0.803

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.24142.42722.42722.77402.77403.12973.12973.12973.12973.86132.71412.71413.86132.71412.7141
C21.24141.52961.52962.53432.53432.14652.14652.14652.14653.48912.77492.77493.48912.77492.7749
C32.42721.52962.59501.53853.93801.10111.10112.81482.81482.18312.17352.17354.76464.21914.2191
C42.42721.52962.59503.93801.53852.81482.81481.10111.10114.76464.21914.21912.18312.17352.1735
C52.77402.53431.53853.93805.06392.19102.19104.23034.23031.09581.09521.09526.01665.16905.1690
C62.77402.53433.93801.53855.06394.23034.23032.19102.19106.01665.16905.16901.09581.09521.0952
H73.12972.14651.10112.81482.19104.23031.76453.13062.58602.53593.09332.53964.92994.41384.7540
H83.12972.14651.10112.81482.19104.23031.76452.58603.13062.53592.53963.09334.92994.75404.4138
H93.12972.14652.81481.10114.23032.19103.13062.58601.76454.92994.41384.75402.53593.09332.5396
H103.12972.14652.81481.10114.23032.19102.58603.13061.76454.92994.75404.41382.53592.53963.0933
H113.86133.48912.18314.76461.09586.01662.53592.53594.92994.92991.78481.78486.91146.16566.1656
H122.71412.77492.17354.21911.09525.16903.09332.53964.41384.75401.78481.76766.16565.34045.0393
H132.71412.77492.17354.21911.09525.16902.53963.09334.75404.41381.78481.76766.16565.03935.3404
H143.86133.48914.76462.18316.01661.09584.92994.92992.53592.53596.91146.16566.16561.78481.7848
H152.71412.77494.21912.17355.16901.09524.41384.75403.09332.53966.16565.34045.03931.78481.7676
H162.71412.77494.21912.17355.16901.09524.75404.41382.53963.09336.16565.03935.34041.78481.7676

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 121.975 O1 C2 C4 121.975
C2 C3 C5 111.383 C2 C3 H7 108.263
C2 C3 H8 108.263 C2 C4 C6 111.383
C2 C4 H9 108.263 C2 C4 H10 108.263
C3 C2 C4 116.050 C3 C5 H11 110.814
C3 C5 H12 110.085 C3 C5 H13 110.085
C4 C6 H14 110.814 C4 C6 H15 110.085
C4 C6 H16 110.085 C5 C3 H7 111.122
C5 C3 H8 111.122 C6 C4 H9 111.122
C6 C4 H10 111.122 H7 C3 H8 106.499
H9 C4 H10 106.499 H11 C5 H12 109.095
H11 C5 H13 109.095 H12 C5 H13 107.598
H14 C6 H15 109.095 H14 C6 H16 109.095
H15 C6 H16 107.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.442      
2 C 0.448      
3 C -0.513      
4 C -0.513      
5 C -0.576      
6 C -0.576      
7 H 0.228      
8 H 0.228      
9 H 0.228      
10 H 0.228      
11 H 0.196      
12 H 0.218      
13 H 0.218      
14 H 0.196      
15 H 0.218      
16 H 0.218      


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 -2.447 2.447
CHELPG        
AIM        
ESP        


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 6.263 0.000 0.000
y 0.000 8.953 0.000
z 0.000 0.000 7.836


<r2> (average value of r2) Å2
<r2> 214.793
(<r2>)1/2 14.656