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

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-269.633604
Energy at 298.15K-269.642475
HF Energy-268.887901
Nuclear repulsion energy231.563229
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 CISD/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' 3358 3108 9.94      
2 A' 3287 3042 10.08      
3 A' 3266 3022 11.84      
4 A' 3258 3014 11.56      
5 A' 3147 2912 3.99      
6 A' 1911 1769 154.92      
7 A' 1592 1473 14.83      
8 A' 1550 1434 15.44      
9 A' 1509 1396 110.53      
10 A' 1469 1359 8.17      
11 A' 1289 1193 9.85      
12 A' 1262 1168 76.60      
13 A' 1174 1086 13.20      
14 A' 1133 1048 9.25      
15 A' 1031 954 42.92      
16 A' 974 902 19.83      
17 A' 849 786 1.10      
18 A' 791 732 0.21      
19 A' 623 576 15.55      
20 A' 389 360 4.21      
21 A' 252 233 4.34      
22 A" 3345 3095 0.41      
23 A" 3252 3009 15.51      
24 A" 3214 2974 12.41      
25 A" 1558 1441 11.32      
26 A" 1539 1424 4.82      
27 A" 1277 1182 0.33      
28 A" 1194 1105 2.11      
29 A" 1164 1077 2.41      
30 A" 1119 1036 3.64      
31 A" 949 878 0.84      
32 A" 885 818 7.08      
33 A" 636 589 2.58      
34 A" 275 254 0.49      
35 A" 148 136 0.02      
36 A" 71 66 1.86      

Unscaled Zero Point Vibrational Energy (zpe) 27369.3 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 25324.8 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 CISD/6-311G*
ABC
0.24372 0.08817 0.07724

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.468 -0.558 0.000
C2 -0.284 -0.757 0.000
C3 0.297 -2.148 0.000
C4 0.693 0.371 0.000
C5 0.297 1.626 0.742
C6 0.297 1.626 -0.742
H7 -0.500 -2.882 0.000
H8 0.927 -2.290 -0.877
H9 0.927 -2.290 0.877
H10 1.738 0.105 0.000
H11 -0.658 1.598 1.239
H12 1.079 2.157 1.261
H13 -0.658 1.598 -1.239
H14 1.079 2.157 -1.261

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20102.37632.35172.90442.90442.51753.08323.08323.27412.61473.93012.61473.9301
C21.20101.50801.49132.56232.56232.13592.14132.14132.19782.68673.45472.68673.4547
C32.37631.50802.54963.84643.84641.08351.08861.08862.67424.05954.55344.05954.5534
C42.35171.49132.54961.51091.51093.46402.81082.81081.07892.20582.22032.20582.2203
C52.90442.56233.84641.51091.48414.63734.28363.96832.22281.07731.07802.19952.2146
C62.90442.56233.84641.51091.48414.63733.96834.28362.22282.19952.21461.07731.0780
H72.51752.13591.08353.46404.63734.63731.77651.77653.73214.65025.42854.65025.4285
H83.08322.14131.08862.81084.28363.96831.77651.75312.67574.70124.93594.21394.4656
H93.08322.14131.08862.81083.96834.28361.77651.75312.67574.21394.46564.70124.9359
H103.27412.19782.67421.07892.22282.22283.73212.67572.67573.08332.49713.08332.4971
H112.61472.68674.05952.20581.07732.19954.65024.70124.21393.08331.82512.47773.0950
H123.93013.45474.55342.22031.07802.21465.42854.93594.46562.49711.82513.09502.5218
H132.61472.68674.05952.20582.19951.07734.65024.21394.70123.08332.47773.09501.8251
H143.93013.45474.55342.22032.21461.07805.42854.46564.93592.49713.09502.52181.8251

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 122.205 O1 C2 C4 121.359
C2 C3 H7 109.938 C2 C3 H8 110.058
C2 C3 H9 110.058 C2 C4 C5 117.177
C2 C4 C6 117.177 C2 C4 H10 116.631
C3 C2 C4 116.436 C4 C5 C6 60.586
C4 C5 H11 115.899 C4 C5 H12 117.116
C4 C6 C5 60.586 C4 C6 H13 115.899
C4 C6 H14 117.116 C5 C4 C6 58.828
C5 C4 H10 117.279 C5 C6 H13 117.462
C5 C6 H14 118.773 C6 C4 H10 117.279
C6 C5 H11 117.462 C6 C5 H12 118.773
H7 C3 H8 109.745 H7 C3 H9 109.745
H8 C3 H9 107.256 H11 C5 H12 115.727
H13 C6 H14 115.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability