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All results from a given calculation for C5H8O (Methyl cyclopropyl ketone)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-269.762534
Energy at 298.15K-269.771241
HF Energy-268.851756
Nuclear repulsion energy230.601088
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/6-31+G**
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' 3344 3140 2.84      
2 A' 3262 3064 6.91      
3 A' 3255 3057 7.16      
4 A' 3233 3036 6.96      
5 A' 3118 2928 3.66      
6 A' 1751 1644 100.85      
7 A' 1545 1451 12.61      
8 A' 1514 1422 15.37      
9 A' 1460 1372 108.76      
10 A' 1421 1334 9.57      
11 A' 1258 1181 6.91      
12 A' 1228 1154 78.14      
13 A' 1136 1067 10.98      
14 A' 1104 1037 11.62      
15 A' 1002 941 47.07      
16 A' 951 893 18.00      
17 A' 835 784 1.66      
18 A' 773 726 0.68      
19 A' 596 560 10.70      
20 A' 379 356 3.46      
21 A' 242 227 4.14      
22 A" 3332 3129 0.60      
23 A" 3230 3033 8.91      
24 A" 3207 3012 6.38      
25 A" 1521 1428 10.61      
26 A" 1504 1412 2.67      
27 A" 1244 1169 0.37      
28 A" 1160 1089 3.47      
29 A" 1124 1056 2.98      
30 A" 1069 1004 1.60      
31 A" 908 853 0.00      
32 A" 864 811 7.11      
33 A" 607 570 1.62      
34 A" 266 250 0.35      
35 A" 133 125 0.00      
36 A" 72 68 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 26822.6 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 25191.8 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/6-31+G**
ABC
0.23946 0.08822 0.07688

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.490 -0.549 0.000
C2 -0.274 -0.756 0.000
C3 0.300 -2.150 0.000
C4 0.700 0.366 0.000
C5 0.300 1.626 0.743
C6 0.300 1.626 -0.743
H7 -0.502 -2.882 0.000
H8 0.930 -2.289 -0.879
H9 0.930 -2.289 0.879
H10 1.748 0.101 0.000
H11 -0.659 1.588 1.238
H12 1.084 2.157 1.261
H13 -0.659 1.588 -1.238
H14 1.084 2.157 -1.261

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23352.40172.37282.91292.91292.53303.10773.10773.30242.60553.94212.60553.9421
C21.23351.50751.48562.56052.56052.13732.13822.13822.19632.67893.45342.67893.4534
C32.40171.50752.54773.84853.84851.08561.09031.09032.67714.05294.55674.05294.5567
C42.37281.48562.54771.51641.51643.46262.80632.80631.08122.20732.22462.20732.2246
C52.91292.56053.84851.51641.48664.63804.28433.96772.22981.08001.07972.20192.2171
C62.91292.56053.84851.51641.48664.63803.96774.28432.22982.20192.21711.08001.0797
H72.53302.13731.08563.46264.63804.63801.78191.78193.73664.64015.43134.64015.4313
H83.10772.13821.09032.80634.28433.96771.78191.75782.67534.69464.93754.20544.4659
H93.10772.13821.09032.80633.96774.28431.78191.75782.67534.20544.46594.69464.9375
H103.30242.19632.67711.08122.22982.22983.73662.67532.67533.08802.50183.08802.5018
H112.60552.67894.05292.20731.08002.20194.64014.69464.20543.08801.83392.47693.1002
H123.94213.45344.55672.22461.07972.21715.43134.93754.46592.50181.83393.10022.5225
H132.60552.67894.05292.20732.20191.08004.64014.20544.69463.08802.47693.10021.8339
H143.94213.45344.55672.22462.21711.07975.43134.46594.93752.50183.10022.52251.8339

picture of Methyl cyclopropyl ketone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 122.064 O1 C2 C4 121.254
C2 C3 H7 109.958 C2 C3 H8 109.748
C2 C3 H9 109.748 C2 C4 C5 117.064
C2 C4 C6 117.064 C2 C4 H10 116.789
C3 C2 C4 116.681 C4 C5 C6 60.648
C4 C5 H11 115.429 C4 C5 H12 116.947
C4 C6 C5 60.648 C4 C6 H13 115.429
C4 C6 H14 116.947 C5 C4 C6 58.703
C5 C4 H10 117.296 C5 C6 H13 117.289
C5 C6 H14 118.670 C6 C4 H10 117.296
C6 C5 H11 117.289 C6 C5 H12 118.670
H7 C3 H8 109.959 H7 C3 H9 109.959
H8 C3 H9 107.431 H11 C5 H12 116.242
H13 C6 H14 116.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability