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All results from a given calculation for C5H10O (2-Butanone, 3-methyl-)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-270.923968
Energy at 298.15K-270.934694
HF Energy-270.027701
Nuclear repulsion energy244.779221
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 MP3=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 A 3225 3026 7.65      
2 A 3189 2992 17.80      
3 A 3182 2986 49.31      
4 A 3181 2985 17.00      
5 A 3179 2983 8.20      
6 A 3175 2979 8.26      
7 A 3126 2933 4.47      
8 A 3109 2917 4.73      
9 A 3101 2909 9.78      
10 A 3099 2908 19.01      
11 A 1882 1766 129.27      
12 A 1571 1474 19.49      
13 A 1567 1471 7.56      
14 A 1556 1460 3.75      
15 A 1551 1455 1.26      
16 A 1536 1441 10.12      
17 A 1529 1435 9.80      
18 A 1481 1390 5.86      
19 A 1460 1370 6.54      
20 A 1452 1363 44.55      
21 A 1404 1317 0.78      
22 A 1387 1301 1.92      
23 A 1315 1234 39.27      
24 A 1233 1157 2.78      
25 A 1179 1106 0.74      
26 A 1133 1063 17.19      
27 A 1058 993 1.31      
28 A 1005 943 1.19      
29 A 989 928 12.14      
30 A 965 905 1.16      
31 A 937 880 3.44      
32 A 753 707 4.51      
33 A 616 578 0.39      
34 A 543 509 9.75      
35 A 509 477 5.09      
36 A 344 323 1.53      
37 A 284 267 1.47      
38 A 272 255 0.18      
39 A 245 230 0.21      
40 A 222 209 0.60      
41 A 153 144 0.08      
42 A 52 49 3.42      

Unscaled Zero Point Vibrational Energy (zpe) 31874.2 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 29907.6 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 MP3=FULL/6-31G*
ABC
0.15170 0.09161 0.07912

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.593 -0.876 -0.740
C2 0.822 -0.135 -0.166
H3 1.261 1.909 0.341
H4 2.361 0.704 1.053
H5 0.717 0.949 1.719
C6 1.320 0.919 0.807
H7 -0.790 -0.841 -1.302
C8 -0.681 -0.251 -0.385
H9 -0.901 1.677 -1.386
H10 -0.829 -2.011 0.892
H11 -1.305 1.710 0.342
H12 -1.217 -0.488 1.720
H13 -2.375 -1.197 0.585
H14 -2.418 0.965 -0.813
C15 -1.309 -1.035 0.776
C16 -1.360 1.108 -0.570

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.21353.00562.50943.18502.38462.44912.38563.62703.13314.03253.75484.19604.41453.27813.5618
C21.21352.15102.13442.17701.51782.09481.52422.78212.71352.86182.80003.45173.48272.49782.5438
H33.00562.15101.78011.76571.09583.80352.99442.77654.47582.57373.71284.78793.96913.93162.8881
H42.50942.13441.78011.79081.09084.22583.49794.18714.19133.86743.82915.12415.13664.07024.0794
H53.18502.17701.76571.79081.09453.82092.79713.57603.43972.56202.40863.93024.02962.98803.0953
C62.38461.51781.09581.09081.09453.46322.60683.21153.63402.78103.04104.26344.07393.27553.0190
H72.44912.09483.80354.22583.82093.46321.09512.52172.48593.07853.07232.48982.48052.14972.1582
C82.38561.52422.99443.49792.79712.60681.09512.18332.17902.18322.18552.16882.16311.53461.5304
H93.62702.78212.77654.18713.57603.21152.52172.18334.33481.77523.79933.78371.77063.49141.0951
H103.13312.71354.47584.19133.43973.63402.48592.17904.33483.79141.77661.77403.78031.09423.4852
H114.03252.86182.57373.86742.56202.78103.07852.18321.77523.79142.59603.10711.76842.77881.0951
H123.75482.80003.71283.82912.40863.04103.07232.18553.79931.77662.59601.76993.15821.09552.7956
H134.19603.45174.78795.12413.93024.26342.48982.16883.78371.77403.10711.76992.57571.09462.7709
H144.41453.48273.96915.13664.02964.07392.48052.16311.77063.78031.76843.15822.57572.78461.0946
C153.27812.49783.93164.07022.98803.27552.14971.53463.49141.09422.77881.09551.09462.78462.5307
C163.56182.54382.88814.07943.09533.01902.15821.53041.09513.48521.09512.79562.77091.09462.5307

picture of 2-Butanone, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C6 121.226 O1 C2 C8 120.817
C2 C6 H3 109.719 C2 C6 H4 108.705
C2 C6 H5 111.874 C2 C8 H7 105.032
C2 C8 C15 109.489 C2 C8 C16 112.773
H3 C6 H4 108.995 H3 C6 H5 107.443
H4 C6 H5 110.063 C6 C2 C8 117.949
H7 C8 C15 108.512 H7 C8 C16 109.457
C8 C15 H10 110.855 C8 C15 H12 111.296
C8 C15 H13 110.029 C8 C16 H9 111.446
C8 C16 H11 111.437 C8 C16 H14 109.875
H9 C16 H11 108.297 H9 C16 H14 107.922
H10 C15 H12 108.451 H10 C15 H13 108.280
H11 C16 H14 107.725 H12 C15 H13 107.823
C15 C8 C16 111.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability