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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-270.937970
Energy at 298.15K 
HF Energy-270.047227
Nuclear repulsion energy239.291786
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 MP2/6-31G**
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 3239 3034 24.48      
2 A1 3144 2945 2.23      
3 A1 3119 2921 22.85      
4 A1 1780 1667 60.27      
5 A1 1558 1459 5.33      
6 A1 1521 1424 11.10      
7 A1 1467 1374 8.65      
8 A1 1394 1306 4.49      
9 A1 1152 1078 0.91      
10 A1 1051 984 2.00      
11 A1 806 755 1.65      
12 A1 419 392 0.34      
13 A1 200 187 0.45      
14 A2 3248 3042 0.00      
15 A2 3158 2958 0.00      
16 A2 1554 1456 0.00      
17 A2 1302 1219 0.00      
18 A2 1029 964 0.00      
19 A2 737 690 0.00      
20 A2 228 213 0.00      
21 A2 21 19 0.00      
22 B1 3248 3042 35.68      
23 B1 3167 2966 18.64      
24 B1 1555 1456 10.22      
25 B1 1339 1254 1.41      
26 B1 1173 1099 0.14      
27 B1 839 786 7.92      
28 B1 466 437 0.00      
29 B1 208 195 0.27      
30 B1 64 60 0.16      
31 B2 3239 3033 13.75      
32 B2 3144 2944 36.37      
33 B2 3112 2914 7.77      
34 B2 1558 1459 8.82      
35 B2 1510 1414 1.75      
36 B2 1467 1373 0.08      
37 B2 1436 1345 33.02      
38 B2 1178 1103 59.05      
39 B2 1047 980 10.52      
40 B2 1004 940 13.46      
41 B2 636 595 5.04      
42 B2 319 299 12.76      

Unscaled Zero Point Vibrational Energy (zpe) 31916.1 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 29889.5 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 MP2/6-31G**
ABC
0.29630 0.06568 0.05596

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

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 0.056
C3 0.000 1.292 -0.740
C4 0.000 -1.292 -0.740
C5 0.000 2.532 0.140
C6 0.000 -2.532 0.140
H7 0.870 1.278 -1.402
H8 -0.870 1.278 -1.402
H9 -0.870 -1.278 -1.402
H10 0.870 -1.278 -1.402
H11 0.000 3.435 -0.469
H12 -0.877 2.546 0.783
H13 0.877 2.546 0.783
H14 0.000 -3.435 -0.469
H15 0.877 -2.546 0.783
H16 -0.877 -2.546 0.783

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22842.40172.40172.77942.77943.09993.09993.09993.09993.85692.73922.73923.85692.73922.7392
C21.22841.51791.51792.53382.53382.12542.12542.12542.12543.47502.78892.78893.47502.78892.7889
C32.40171.51792.58481.52003.92461.09401.09402.79312.79312.15962.15812.15814.73524.22124.2212
C42.40171.51792.58483.92461.52002.79312.79311.09401.09404.73524.22124.22122.15962.15812.1581
C52.77942.53381.52003.92465.06492.17002.17004.20124.20121.08871.08751.08755.99855.19355.1935
C62.77942.53383.92461.52005.06494.20124.20122.17002.17005.99855.19355.19351.08871.08751.0875
H73.09992.12541.09402.79312.17004.20121.74083.09182.55512.50663.07162.52624.88234.40374.7377
H83.09992.12541.09402.79312.17004.20121.74082.55513.09182.50662.52623.07164.88234.73774.4037
H93.09992.12542.79311.09404.20122.17003.09182.55511.74084.88234.40374.73772.50663.07162.5262
H103.09992.12542.79311.09404.20122.17002.55513.09181.74084.88234.73774.40372.50662.52623.0716
H113.85693.47502.15964.73521.08875.99852.50662.50664.88234.88231.76811.76816.87016.17326.1732
H122.73922.78892.15814.22121.08755.19353.07162.52624.40374.73771.76811.75386.17325.38555.0919
H132.73922.78892.15814.22121.08755.19352.52623.07164.73774.40371.76811.75386.17325.09195.3855
H143.85693.47504.73522.15965.99851.08874.88234.88232.50662.50666.87016.17326.17321.76811.7681
H152.73922.78894.22122.15815.19351.08754.40374.73773.07162.52626.17325.38555.09191.76811.7538
H162.73922.78894.22122.15815.19351.08754.73774.40372.52623.07166.17325.09195.38551.76811.7538

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 121.629 O1 C2 C4 121.629
C2 C3 C5 113.037 C2 C3 H7 107.821
C2 C3 H8 107.821 C2 C4 C6 113.037
C2 C4 H9 107.821 C2 C4 H10 107.821
C3 C2 C4 116.743 C3 C5 H11 110.673
C3 C5 H12 110.616 C3 C5 H13 110.616
C4 C6 H14 110.673 C4 C6 H15 110.616
C4 C6 H16 110.616 C5 C3 H7 111.183
C5 C3 H8 111.183 C6 C4 H9 111.183
C6 C4 H10 111.183 H7 C3 H8 105.428
H9 C4 H10 105.428 H11 C5 H12 108.681
H11 C5 H13 108.681 H12 C5 H13 107.482
H14 C6 H15 108.681 H14 C6 H16 108.681
H15 C6 H16 107.482
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability