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: TPSSh/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/TZVP
 hartrees
Energy at 0K-270.654128
Energy at 298.15K-270.662680
HF Energy-270.654128
Nuclear repulsion energy230.322410
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 TPSSh/TZVP
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' 3234 3117 6.37      
2 A' 3166 3051 10.31      
3 A' 3145 3031 13.17      
4 A' 3134 3020 12.18      
5 A' 3026 2916 3.98      
6 A' 1747 1684 139.85      
7 A' 1494 1440 8.75      
8 A' 1479 1425 16.51      
9 A' 1408 1357 103.53      
10 A' 1384 1334 9.82      
11 A' 1221 1177 10.48      
12 A' 1189 1146 86.90      
13 A' 1108 1068 15.89      
14 A' 1058 1020 10.81      
15 A' 964 929 64.64      
16 A' 919 886 15.76      
17 A' 803 774 2.73      
18 A' 746 719 0.35      
19 A' 585 563 9.07      
20 A' 366 353 4.12      
21 A' 227 219 4.42      
22 A" 3220 3103 0.44      
23 A" 3133 3019 17.27      
24 A" 3084 2972 10.48      
25 A" 1490 1436 9.70      
26 A" 1464 1411 3.56      
27 A" 1217 1172 0.29      
28 A" 1126 1085 2.15      
29 A" 1091 1051 2.33      
30 A" 1047 1009 3.47      
31 A" 869 838 0.07      
32 A" 832 802 5.21      
33 A" 595 574 1.44      
34 A" 248 239 0.32      
35 A" 131 126 0.01      
36 A" 66 64 2.13      

Unscaled Zero Point Vibrational Energy (zpe) 26008.7 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 25064.6 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 TPSSh/TZVP
ABC
0.24034 0.08755 0.07647

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.484 -0.559 0.000
C2 -0.280 -0.757 0.000
C3 0.300 -2.156 0.000
C4 0.697 0.367 0.000
C5 0.300 1.635 0.743
C6 0.300 1.635 -0.743
H7 -0.501 -2.893 0.000
H8 0.936 -2.297 -0.880
H9 0.936 -2.297 0.880
H10 1.747 0.100 0.000
H11 -0.662 1.598 1.239
H12 1.088 2.159 1.268
H13 -0.662 1.598 -1.239
H14 1.088 2.159 -1.268

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21992.39422.36942.92342.92342.53313.10663.10663.29762.61953.95142.61953.9514
C21.21991.51411.48982.57092.57092.14762.15052.15052.20112.68803.46222.68803.4622
C32.39421.51412.55413.86253.86251.08881.09491.09492.68004.06784.56604.06784.5660
C42.36941.48982.55411.52151.52153.47382.81622.81621.08382.21232.22972.21232.2297
C52.92342.57093.86251.52151.48524.65804.30073.98522.23621.08301.08292.20302.2223
C62.92342.57093.86251.52151.48524.65803.98524.30072.23622.20302.22231.08301.0829
H72.53312.14761.08883.47384.65804.65801.78721.78723.74354.66165.44644.66165.4464
H83.10662.15051.09492.81624.30073.98521.78721.76022.67934.71294.94944.22484.4759
H93.10662.15051.09492.81623.98524.30071.78721.76022.67934.22484.47594.71294.9494
H103.29762.20112.68001.08382.23622.23623.74352.67932.67933.09522.50643.09522.5064
H112.61952.68804.06782.21231.08302.20304.66164.71294.22483.09521.83842.47813.1085
H123.95143.46224.56602.22971.08292.22235.44644.94944.47592.50641.83843.10852.5355
H132.61952.68804.06782.21232.20301.08304.66164.22484.71293.09522.47813.10851.8384
H143.95143.46224.56602.22972.22231.08295.44644.47594.94942.50643.10852.53551.8384

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 121.888 O1 C2 C4 121.632
C2 C3 H7 110.120 C2 C3 H8 109.987
C2 C3 H9 109.987 C2 C4 C5 117.241
C2 C4 C6 117.241 C2 C4 H10 116.702
C3 C2 C4 116.480 C4 C5 C6 60.786
C4 C5 H11 115.260 C4 C5 H12 116.767
C4 C6 C5 60.786 C4 C6 H13 115.260
C4 C6 H14 116.767 C5 C4 C6 58.428
C5 C4 H10 117.272 C5 C6 H13 117.284
C5 C6 H14 119.009 C6 C4 H10 117.272
C6 C5 H11 117.284 C6 C5 H12 119.009
H7 C3 H8 109.851 H7 C3 H9 109.851
H8 C3 H9 106.994 H11 C5 H12 116.163
H13 C6 H14 116.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.306      
2 C 0.198      
3 C -0.370      
4 C -0.098      
5 C -0.290      
6 C -0.290      
7 H 0.140      
8 H 0.124      
9 H 0.124      
10 H 0.159      
11 H 0.163      
12 H 0.141      
13 H 0.163      
14 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.943 0.070 0.000 2.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.635 0.172 0.000
y 0.172 10.515 0.000
z 0.000 0.000 7.521


<r2> (average value of r2) Å2
<r2> 168.366
(<r2>)1/2 12.976