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

using model chemistry: MP2=FULL/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=FULL/6-31G**
 hartrees
Energy at 0K-270.966539
Energy at 298.15K 
HF Energy-270.047400
Nuclear repulsion energy239.564348
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=FULL/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 3243 3031 24.00      
2 A1 3147 2941 2.22      
3 A1 3122 2917 22.58      
4 A1 1785 1668 60.64      
5 A1 1560 1458 5.38      
6 A1 1522 1422 11.36      
7 A1 1469 1373 8.96      
8 A1 1396 1305 4.47      
9 A1 1153 1078 0.92      
10 A1 1053 984 2.01      
11 A1 808 755 1.70      
12 A1 420 392 0.34      
13 A1 200 187 0.46      
14 A2 3252 3039 0.00      
15 A2 3162 2955 0.00      
16 A2 1557 1455 0.00      
17 A2 1304 1218 0.00      
18 A2 1031 964 0.00      
19 A2 737 689 0.00      
20 A2 229 214 0.00      
21 A2 22 21 0.00      
22 B1 3252 3039 34.96      
23 B1 3171 2963 18.30      
24 B1 1557 1455 10.49      
25 B1 1341 1253 1.37      
26 B1 1175 1098 0.14      
27 B1 840 785 8.12      
28 B1 468 437 0.00      
29 B1 209 195 0.28      
30 B1 65 61 0.15      
31 B2 3243 3030 13.61      
32 B2 3147 2940 35.98      
33 B2 3115 2910 7.87      
34 B2 1560 1458 9.00      
35 B2 1511 1412 1.82      
36 B2 1469 1373 0.06      
37 B2 1438 1344 33.77      
38 B2 1180 1102 58.69      
39 B2 1049 980 10.29      
40 B2 1005 939 13.56      
41 B2 637 595 4.97      
42 B2 319 298 12.80      

Unscaled Zero Point Vibrational Energy (zpe) 31962.3 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 29865.6 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=FULL/6-31G**
ABC
0.29688 0.06585 0.05610

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.284
C2 0.000 0.000 0.056
C3 0.000 1.291 -0.739
C4 0.000 -1.291 -0.739
C5 0.000 2.529 0.139
C6 0.000 -2.529 0.139
H7 0.869 1.276 -1.401
H8 -0.869 1.276 -1.401
H9 -0.869 -1.276 -1.401
H10 0.869 -1.276 -1.401
H11 0.000 3.431 -0.468
H12 -0.876 2.543 0.782
H13 0.876 2.543 0.782
H14 0.000 -3.431 -0.468
H15 0.876 -2.543 0.782
H16 -0.876 -2.543 0.782

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22732.39922.39922.77622.77623.09673.09673.09673.09673.85272.73582.73583.85272.73582.7358
C21.22731.51601.51602.53072.53072.12292.12292.12292.12293.47122.78552.78553.47122.78552.7855
C32.39921.51602.58141.51833.91961.09291.09292.78932.78932.15762.15572.15574.72974.21604.2160
C42.39921.51602.58143.91961.51832.78932.78931.09291.09294.72974.21604.21602.15762.15572.1557
C52.77622.53071.51833.91965.05862.16772.16774.19594.19591.08751.08641.08645.99155.18715.1871
C62.77622.53073.91961.51835.05864.19594.19592.16772.16775.99155.18715.18711.08751.08641.0864
H73.09672.12291.09292.78932.16774.19591.73903.08762.55142.50443.06842.52374.87654.39824.7318
H83.09672.12291.09292.78932.16774.19591.73902.55143.08762.50442.52373.06844.87654.73184.3982
H93.09672.12292.78931.09294.19592.16773.08762.55141.73904.87654.39824.73182.50443.06842.5237
H103.09672.12292.78931.09294.19592.16772.55143.08761.73904.87654.73184.39822.50442.52373.0684
H113.85273.47122.15764.72971.08755.99152.50442.50444.87654.87651.76621.76626.86256.16596.1659
H122.73582.78552.15574.21601.08645.18713.06842.52374.39824.73181.76621.75186.16595.37875.0855
H132.73582.78552.15574.21601.08645.18712.52373.06844.73184.39821.76621.75186.16595.08555.3787
H143.85273.47124.72972.15765.99151.08754.87654.87652.50442.50446.86256.16596.16591.76621.7662
H152.73582.78554.21602.15575.18711.08644.39824.73183.06842.52376.16595.37875.08551.76621.7518
H162.73582.78554.21602.15575.18711.08644.73184.39822.52373.06846.16595.08555.37871.76621.7518

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 121.637 O1 C2 C4 121.637
C2 C3 C5 113.030 C2 C3 H7 107.819
C2 C3 H8 107.819 C2 C4 C6 113.030
C2 C4 H9 107.819 C2 C4 H10 107.819
C3 C2 C4 116.725 C3 C5 H11 110.702
C3 C5 H12 110.618 C3 C5 H13 110.618
C4 C6 H14 110.702 C4 C6 H15 110.618
C4 C6 H16 110.618 C5 C3 H7 111.190
C5 C3 H8 111.190 C6 C4 H9 111.190
C6 C4 H10 111.190 H7 C3 H8 105.424
H9 C4 H10 105.424 H11 C5 H12 108.674
H11 C5 H13 108.674 H12 C5 H13 107.461
H14 C6 H15 108.674 H14 C6 H16 108.674
H15 C6 H16 107.461
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability