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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: MP4=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-270.056260
Energy at 298.15K-270.065875
HF Energy-268.928462
Nuclear repulsion energy234.631094
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 MP4=FULL/6-311G**
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 3129 3008        
2 A 3116 2996        
3 A 3052 2935        
4 A 3048 2931        
5 A 1768 1700        
6 A 1518 1460        
7 A 1463 1407        
8 A 1360 1308        
9 A 1315 1265        
10 A 1234 1186        
11 A 1183 1138        
12 A 1049 1009        
13 A 967 929        
14 A 914 878        
15 A 821 789        
16 A 711 684        
17 A 554 533        
18 A 248 239        
19 B 3131 3010        
20 B 3121 3001        
21 B 3056 2939        
22 B 3048 2930        
23 B 1503 1445        
24 B 1463 1407        
25 B 1353 1301        
26 B 1310 1260        
27 B 1257 1209        
28 B 1168 1123        
29 B 1159 1114        
30 B 979 942        
31 B 925 890        
32 B 853 820        
33 B 577 555        
34 B 464 446        
35 B 443 426        
36 B 92 88        

Unscaled Zero Point Vibrational Energy (zpe) 26676.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 25649.0 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 MP4=FULL/6-311G**
ABC
0.22000 0.11083 0.07986

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.142
C2 0.000 0.000 0.926
C3 0.000 1.245 0.024
C4 0.000 -1.245 0.024
C5 0.320 0.703 -1.378
C6 -0.320 -0.703 -1.378
H7 -1.016 1.668 0.056
H8 1.016 -1.668 0.056
H9 0.692 2.002 0.408
H10 -0.692 -2.002 0.408
H11 -0.054 1.342 -2.185
H12 0.054 -1.342 -2.185
H13 1.409 0.608 -1.499
H14 -1.409 -0.608 -1.499

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21622.45722.45723.60393.60392.85782.85782.73712.73714.53114.53113.95173.9517
C21.21621.53751.53752.43002.43002.13822.13822.18022.18023.38883.38882.87002.8700
C32.45721.53752.48961.53642.42101.10083.08531.09523.34152.21183.40182.17042.7815
C42.45721.53752.48962.42101.53643.08531.10083.34151.09523.40182.21182.78152.1704
C53.60392.43001.53642.42101.54532.18462.85712.23933.39561.09552.21441.09932.1734
C63.60392.43002.42101.53641.54532.85712.18463.39562.23932.21441.09552.17341.0993
H72.85782.13821.10083.08532.18462.85713.90631.77513.70092.46063.90233.06952.7847
H82.85782.13823.08531.10082.85712.18463.90633.70091.77513.90232.46062.78473.0695
H92.73712.18021.09523.34152.23933.39561.77513.70094.23562.77834.27902.46893.8550
H102.73712.18023.34151.09523.39562.23933.70091.77514.23564.27902.77833.85502.4689
H114.53113.38882.21183.40181.09552.21442.46063.90232.77834.27902.68541.77482.4710
H124.53113.38883.40182.21182.21441.09553.90232.46064.27902.77832.68542.47101.7748
H133.95172.87002.17042.78151.09932.17343.06952.78472.46893.85501.77482.47103.0688
H143.95172.87002.78152.17042.17341.09932.78473.06953.85502.46892.47101.77483.0688

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.939 O1 C2 C4 125.939
C2 C3 C5 104.473 C2 C3 H7 107.115
C2 C3 H9 110.690 C2 C4 C6 104.473
C2 C4 H8 107.115 C2 C4 H10 110.690
C3 C2 C4 108.122 C3 C5 C6 103.553
C3 C5 H11 113.300 C3 C5 H13 109.749
C4 C6 C5 103.553 C4 C6 H12 113.300
C4 C6 H14 109.749 C5 C3 H7 110.786
C5 C3 H9 115.601 C5 C6 H12 112.865
C5 C6 H14 109.374 C6 C4 H8 110.786
C6 C4 H10 115.601 C6 C5 H11 112.865
C6 C5 H13 109.374 H7 C3 H9 107.870
H8 C4 H10 107.870 H11 C5 H13 107.918
H12 C6 H14 107.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability