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: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-270.477533
Energy at 298.15K-270.486016
HF Energy-270.477533
Nuclear repulsion energy229.866753
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 B97D3/aug-cc-pVTZ
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' 3186 3137 8.41      
2 A' 3118 3070 12.28      
3 A' 3096 3049 13.43      
4 A' 3087 3039 13.87      
5 A' 2977 2932 4.94      
6 A' 1702 1676 146.69      
7 A' 1457 1435 8.45      
8 A' 1435 1413 15.44      
9 A' 1376 1355 94.65      
10 A' 1344 1324 15.24      
11 A' 1201 1183 10.98      
12 A' 1161 1143 85.89      
13 A' 1087 1070 16.42      
14 A' 1028 1012 9.17      
15 A' 945 930 71.06      
16 A' 905 891 10.08      
17 A' 796 784 3.56      
18 A' 731 720 0.37      
19 A' 578 569 6.84      
20 A' 371 365 4.18      
21 A' 237 234 4.24      
22 A" 3171 3122 0.38      
23 A" 3086 3039 19.72      
24 A" 3034 2988 9.75      
25 A" 1446 1424 8.26      
26 A" 1431 1409 3.42      
27 A" 1188 1170 0.40      
28 A" 1100 1084 1.65      
29 A" 1065 1048 1.78      
30 A" 1022 1006 3.28      
31 A" 854 841 0.07      
32 A" 821 808 4.55      
33 A" 589 580 0.94      
34 A" 250 247 0.39      
35 A" 127 125 0.00      
36 A" 52 51 1.80      

Unscaled Zero Point Vibrational Energy (zpe) 25526.9 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 25136.3 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 B97D3/aug-cc-pVTZ
ABC
0.23863 0.08718 0.07605

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.496 -0.570 0.000
C2 -0.288 -0.759 0.000
C3 0.307 -2.154 0.000
C4 0.689 0.368 0.000
C5 0.307 1.640 0.743
C6 0.307 1.640 -0.743
H7 -0.484 -2.905 0.000
H8 0.947 -2.287 -0.880
H9 0.947 -2.287 0.880
H10 1.739 0.094 0.000
H11 -0.656 1.614 1.242
H12 1.103 2.155 1.269
H13 -0.656 1.614 -1.242
H14 1.103 2.155 -1.269

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22192.39912.37742.94682.94682.54423.11283.11283.30222.64933.97332.64933.9733
C21.22191.51631.49152.58082.58082.15462.15302.15302.19962.70353.46922.70353.4692
C32.39911.51632.55023.86563.86561.09061.09681.09682.66544.08214.56144.08214.5614
C42.37741.49152.55021.52211.52213.47632.80822.80821.08512.21472.23062.21472.2306
C52.94682.58083.86561.52211.48584.67234.29673.98082.23471.08451.08452.20632.2244
C62.94682.58083.86561.52211.48584.67233.98084.29672.23472.20632.22441.08451.0845
H72.54422.15461.09063.47634.67234.67231.79061.79063.73304.68935.45214.68935.4521
H83.11282.15301.09682.80824.29673.98081.79061.76032.65874.72104.93634.23254.4608
H93.11282.15301.09682.80823.98084.29671.79061.76032.65874.23254.46084.72104.9363
H103.30222.19962.66541.08512.23472.23473.73302.65872.65873.09652.50233.09652.5023
H112.64932.70354.08212.21471.08452.20634.68934.72104.23253.09651.84002.48483.1134
H123.97333.46924.56142.23061.08452.22445.45214.93634.46082.50231.84003.11342.5386
H132.64932.70354.08212.21472.20631.08454.68934.23254.72103.09652.48483.11341.8400
H143.97333.46924.56142.23062.22441.08455.45214.46084.93632.50233.11342.53861.8400

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 121.996 O1 C2 C4 122.054
C2 C3 H7 110.415 C2 C3 H8 109.919
C2 C3 H9 109.919 C2 C4 C5 117.818
C2 C4 C6 117.818 C2 C4 H10 116.341
C3 C2 C4 115.950 C4 C5 C6 60.787
C4 C5 H11 115.322 C4 C5 H12 116.681
C4 C6 C5 60.787 C4 C6 H13 115.322
C4 C6 H14 116.681 C5 C4 C6 58.427
C5 C4 H10 116.996 C5 C6 H13 117.427
C5 C6 H14 119.037 C6 C4 H10 116.996
C6 C5 H11 117.427 C6 C5 H12 119.037
H7 C3 H8 109.893 H7 C3 H9 109.893
H8 C3 H9 106.734 H11 C5 H12 116.062
H13 C6 H14 116.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.835      
2 C 0.759      
3 C -0.378      
4 C 0.275      
5 C -0.567      
6 C -0.567      
7 H 0.122      
8 H 0.155      
9 H 0.155      
10 H 0.208      
11 H 0.200      
12 H 0.136      
13 H 0.200      
14 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.926 0.134 0.000 2.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.246 -1.055 0.000
y -1.055 -34.476 0.000
z 0.000 0.000 -36.256
Traceless
 xyz
x -4.880 -1.055 0.000
y -1.055 3.775 0.000
z 0.000 0.000 1.105
Polar
3z2-r22.210
x2-y2-5.770
xy-1.055
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.320 0.172 0.000
y 0.172 11.700 0.000
z 0.000 0.000 8.217


<r2> (average value of r2) Å2
<r2> 169.232
(<r2>)1/2 13.009