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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-270.857514
Energy at 298.15K 
HF Energy-270.030828
Nuclear repulsion energy238.955665
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*
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G*
ABC
0.29565 0.06554 0.05585

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 1.290
C2 0.000 0.000 0.067
C3 0.000 1.291 -0.741
C4 0.000 -1.291 -0.741
C5 0.000 2.535 0.136
C6 0.000 -2.535 0.136
H7 0.874 1.277 -1.405
H8 -0.874 1.277 -1.405
H9 -0.874 -1.277 -1.405
H10 0.874 -1.277 -1.405
H11 0.000 3.438 -0.482
H12 -0.881 2.554 0.780
H13 0.881 2.554 0.780
H14 0.000 -3.438 -0.482
H15 0.881 -2.554 0.780
H16 -0.881 -2.554 0.780

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22262.40632.40632.78592.78593.10823.10823.10823.10823.86762.74952.74953.86762.74952.7495
C21.22261.52291.52292.53632.53632.13642.13642.13642.13643.48132.79432.79433.48132.79432.7943
C32.40631.52292.58161.52213.92531.09821.09822.79292.79292.16242.16482.16484.73564.22774.2277
C42.40631.52292.58163.92531.52212.79292.79291.09821.09824.73564.22774.22772.16242.16482.1648
C52.78592.53631.52213.92535.07082.17302.17304.20414.20411.09351.09211.09216.00495.20535.2053
C62.78592.53633.92531.52215.07084.20414.20412.17302.17306.00495.20535.20531.09351.09211.0921
H73.10822.13641.09822.79292.17304.20411.74823.09532.55432.50693.08052.53154.88334.41094.7474
H83.10822.13641.09822.79292.17304.20411.74822.55433.09532.50692.53153.08054.88334.74744.4109
H93.10822.13642.79291.09824.20412.17303.09532.55431.74824.88334.41094.74742.50693.08052.5315
H103.10822.13642.79291.09824.20412.17302.55433.09531.74824.88334.74744.41092.50692.53153.0805
H113.86763.48132.16244.73561.09356.00492.50692.50694.88334.88331.77521.77526.87546.18656.1865
H122.74952.79432.16484.22771.09215.20533.08052.53154.41094.74741.77521.76256.18655.40375.1082
H132.74952.79432.16484.22771.09215.20532.53153.08054.74744.41091.77521.76256.18655.10825.4037
H143.86763.48134.73562.16246.00491.09354.88334.88332.50692.50696.87546.18656.18651.77521.7752
H152.74952.79434.22772.16485.20531.09214.41094.74743.08052.53156.18655.40375.10821.77521.7625
H162.74952.79434.22772.16485.20531.09214.74744.41092.53153.08056.18655.10825.40371.77521.7625

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 122.050 O1 C2 C4 122.050
C2 C3 C5 112.802 C2 C3 H7 108.098
C2 C3 H8 108.098 C2 C4 C6 112.802
C2 C4 H9 108.098 C2 C4 H10 108.098
C3 C2 C4 115.901 C3 C5 H11 110.458
C3 C5 H12 110.728 C3 C5 H13 110.728
C4 C6 H14 110.458 C4 C6 H15 110.728
C4 C6 H16 110.728 C5 C3 H7 111.014
C5 C3 H8 111.014 C6 C4 H9 111.014
C6 C4 H10 111.014 H7 C3 H8 105.489
H9 C4 H10 105.489 H11 C5 H12 108.627
H11 C5 H13 108.627 H12 C5 H13 107.585
H14 C6 H15 108.627 H14 C6 H16 108.627
H15 C6 H16 107.585
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability