return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-270.499922
Energy at 298.15K-270.508488
HF Energy-270.499922
Nuclear repulsion energy227.369036
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 B3LYP/SDD
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' 3286 3159 14.40      
2 A' 3206 3082 12.69      
3 A' 3179 3056 15.95      
4 A' 3170 3047 11.67      
5 A' 3041 2923 4.98      
6 A' 1673 1608 110.60      
7 A' 1496 1438 1.88      
8 A' 1489 1431 30.97      
9 A' 1423 1368 136.05      
10 A' 1415 1361 19.96      
11 A' 1234 1186 53.55      
12 A' 1207 1160 37.33      
13 A' 1116 1073 19.58      
14 A' 1085 1043 18.27      
15 A' 988 950 33.00      
16 A' 906 871 39.28      
17 A' 822 790 3.01      
18 A' 751 722 1.39      
19 A' 586 563 8.60      
20 A' 373 359 4.27      
21 A' 234 225 5.22      
22 A" 3268 3141 0.27      
23 A" 3163 3040 18.39      
24 A" 3118 2997 16.57      
25 A" 1501 1443 18.91      
26 A" 1473 1416 10.42      
27 A" 1217 1170 0.24      
28 A" 1138 1094 0.00      
29 A" 1126 1082 11.63      
30 A" 1070 1029 7.80      
31 A" 889 854 1.98      
32 A" 803 772 5.92      
33 A" 604 581 1.45      
34 A" 251 241 0.19      
35 A" 131 126 0.06      
36 A" 70 68 2.87      

Unscaled Zero Point Vibrational Energy (zpe) 26250.3 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 25234.4 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 B3LYP/SDD
ABC
0.23331 0.08537 0.07455

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.513 -0.569 0.000
C2 -0.274 -0.770 0.000
C3 0.307 -2.176 0.000
C4 0.700 0.364 0.000
C5 0.307 1.658 0.756
C6 0.307 1.658 -0.756
H7 -0.497 -2.916 0.000
H8 0.942 -2.324 -0.884
H9 0.942 -2.324 0.884
H10 1.750 0.088 0.000
H11 -0.656 1.634 1.255
H12 1.098 2.182 1.284
H13 -0.656 1.634 -1.255
H14 1.098 2.182 -1.284

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.25462.42752.40172.97342.97342.55703.14443.14443.32852.67674.00382.67674.0038
C21.25461.52101.49582.60862.60862.15732.16232.16232.19902.73963.49932.73963.4993
C32.42751.52102.57093.90763.90761.09301.09891.09892.68514.12604.61124.12604.6112
C42.40171.49582.57091.54871.54873.49242.84082.84081.08602.24262.26012.24262.2601
C52.97342.60863.90761.54871.51234.70514.35324.03432.26261.08531.08572.23042.2497
C62.97342.60863.90761.54871.51234.70514.03434.35322.26262.23042.24971.08531.0857
H72.55702.15731.09303.49244.70514.70511.79021.79023.75204.72325.49374.72325.4937
H83.14442.16231.09892.84084.35324.03431.79021.76892.69344.77555.00284.28534.5262
H93.14442.16231.09892.84084.03434.35321.79021.76892.69344.28534.52624.77555.0028
H103.32852.19902.68511.08602.26262.26263.75202.69342.69343.12422.54103.12422.5410
H112.67672.73964.12602.24261.08532.23044.72324.77554.28533.12421.83812.51073.1344
H124.00383.49934.61122.26011.08572.24975.49375.00284.52622.54101.83813.13442.5673
H132.67672.73964.12602.24262.23041.08534.72324.28534.77553.12422.51073.13441.8381
H144.00383.49934.61122.26012.24971.08575.49374.52625.00282.54103.13442.56731.8381

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 121.687 O1 C2 C4 121.418
C2 C3 H7 110.151 C2 C3 H8 110.205
C2 C3 H9 110.205 C2 C4 C5 117.913
C2 C4 C6 117.913 C2 C4 H10 115.893
C3 C2 C4 116.895 C4 C5 C6 60.776
C4 C5 H11 115.601 C4 C5 H12 117.076
C4 C6 C5 60.776 C4 C6 H13 115.601
C4 C6 H14 117.076 C5 C4 C6 58.448
C5 C4 H10 117.270 C5 C6 H13 117.387
C5 C6 H14 119.070 C6 C4 H10 117.270
C6 C5 H11 117.387 C6 C5 H12 119.070
H7 C3 H8 109.516 H7 C3 H9 109.516
H8 C3 H9 107.196 H11 C5 H12 115.700
H13 C6 H14 115.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.268      
2 C 0.274      
3 C -0.722      
4 C -0.266      
5 C -0.439      
6 C -0.439      
7 H 0.240      
8 H 0.220      
9 H 0.220      
10 H 0.226      
11 H 0.250      
12 H 0.227      
13 H 0.250      
14 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.311 0.087 0.000 3.312
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.353 -1.259 0.000
y -1.259 -33.507 0.000
z 0.000 0.000 -35.817
Traceless
 xyz
x -5.691 -1.259 0.000
y -1.259 4.578 0.000
z 0.000 0.000 1.113
Polar
3z2-r22.226
x2-y2-6.846
xy-1.259
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.691 0.110 0.000
y 0.110 9.225 0.000
z 0.000 0.000 6.562


<r2> (average value of r2) Å2
<r2> 171.972
(<r2>)1/2 13.114