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

using model chemistry: AM1

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at AM1
 hartrees
Energy at 0K 
Energy at 298.15K-0.097554
HF Energy-0.097554
Nuclear repulsion energy157.752124
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 AM1
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 3159 3012 1.51      
2 A1 3091 2947 9.48      
3 A1 3067 2925 0.36      
4 A1 2063 1967 191.32      
5 A1 1437 1370 0.72      
6 A1 1407 1342 1.88      
7 A1 1392 1328 2.82      
8 A1 1379 1314 11.43      
9 A1 1252 1194 1.45      
10 A1 1140 1087 1.57      
11 A1 924 881 1.31      
12 A1 437 417 0.10      
13 A1 201 192 0.31      
14 A2 3064 2922 0.00      
15 A2 3014 2874 0.00      
16 A2 1383 1319 0.00      
17 A2 1188 1132 0.00      
18 A2 1027 980 0.00      
19 A2 784 747 0.00      
20 A2 136 129 0.00      
21 A2 32i 30i 0.00      
22 B1 3064 2922 10.42      
23 B1 3015 2875 7.24      
24 B1 1383 1319 2.14      
25 B1 1212 1156 0.42      
26 B1 1141 1088 0.45      
27 B1 875 834 14.08      
28 B1 484 461 0.08      
29 B1 124 119 0.05      
30 B1 31 29 0.16      
31 B2 3159 3012 0.20      
32 B2 3089 2945 1.39      
33 B2 3067 2924 0.01      
34 B2 1452 1384 55.68      
35 B2 1433 1366 2.20      
36 B2 1393 1328 0.77      
37 B2 1380 1316 0.06      
38 B2 1236 1178 12.72      
39 B2 1222 1165 5.09      
40 B2 1059 1010 17.58      
41 B2 642 612 15.10      
42 B2 309 295 8.56      

Unscaled Zero Point Vibrational Energy (zpe) 31141.2 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 29693.2 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 AM1
ABC
0.28884 0.06697 0.05678

See section I.F.4 to change rotational constant units
Geometric Data calculated at AM1

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.318
C2 0.000 0.000 0.084
C3 0.000 1.263 -0.733
C4 0.000 -1.263 -0.733
C5 0.000 2.509 0.112
C6 0.000 -2.509 0.112
H7 0.905 1.250 -1.398
H8 -0.905 1.250 -1.398
H9 -0.905 -1.250 -1.398
H10 0.905 -1.250 -1.398
H11 0.000 3.416 -0.539
H12 -0.903 2.535 0.769
H13 0.903 2.535 0.769
H14 0.000 -3.416 -0.539
H15 0.903 -2.535 0.769
H16 -0.903 -2.535 0.769

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.23412.40882.40882.78432.78433.12413.12413.12413.12413.88842.74682.74683.88842.74682.7468
C21.23411.50421.50422.50942.50942.13952.13952.13952.13953.47272.77692.77693.47272.77692.7769
C32.40881.50422.52561.50573.86551.12291.12292.75192.75192.16242.16552.16554.68324.18284.1828
C42.40881.50422.52563.86551.50572.75192.75191.12291.12294.68324.18284.18282.16242.16552.1655
C52.78432.50941.50573.86555.01862.16442.16444.15074.15071.11611.11701.11705.96135.16675.1667
C62.78432.50943.86551.50575.01864.15074.15072.16442.16445.96135.16675.16671.11611.11701.1170
H73.12412.13951.12292.75192.16444.15071.80903.08532.49942.50043.10082.51964.83014.36144.7211
H83.12412.13951.12292.75192.16444.15071.80902.49943.08532.50042.51963.10084.83014.72114.3614
H93.12412.13952.75191.12294.15072.16443.08532.49941.80904.83014.36144.72112.50043.10082.5196
H103.12412.13952.75191.12294.15072.16442.49943.08531.80904.83014.72114.36142.50042.51963.1008
H113.88843.47272.16244.68321.11615.96132.50042.50044.83014.83011.81671.81676.83286.16016.1601
H122.74682.77692.16554.18281.11705.16673.10082.51964.36144.72111.81671.80596.16015.38265.0706
H132.74682.77692.16554.18281.11705.16672.51963.10084.72114.36141.81671.80596.16015.07065.3826
H143.88843.47274.68322.16245.96131.11614.83014.83012.50042.50046.83286.16016.16011.81671.8167
H152.74682.77694.18282.16555.16671.11704.36144.72113.10082.51966.16015.38265.07061.81671.8059
H162.74682.77694.18282.16555.16671.11704.72114.36142.51963.10086.16015.07065.38261.81671.8059

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 122.910 O1 C2 C4 122.910
C2 C3 C5 112.967 C2 C3 H7 108.186
C2 C3 H8 108.186 C2 C4 C6 112.967
C2 C4 H9 108.186 C2 C4 H10 108.186
C3 C2 C4 114.180 C3 C5 H11 110.242
C3 C5 H12 110.439 C3 C5 H13 110.439
C4 C6 H14 110.242 C4 C6 H15 110.439
C4 C6 H16 110.439 C5 C3 H7 110.000
C5 C3 H8 110.000 C6 C4 H9 110.000
C6 C4 H10 110.000 H7 C3 H8 107.319
H9 C4 H10 107.319 H11 C5 H12 108.891
H11 C5 H13 108.891 H12 C5 H13 107.881
H14 C6 H15 108.891 H14 C6 H16 108.891
H15 C6 H16 107.881
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability