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

using model chemistry: TPSSh/3-21G*

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/3-21G*
 hartrees
Energy at 0K-269.071335
Energy at 298.15K-269.079990
HF Energy-269.071335
Nuclear repulsion energy229.529256
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/3-21G*
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' 3271 3159 4.26      
2 A' 3220 3109 5.61      
3 A' 3164 3055 8.55      
4 A' 3157 3049 13.82      
5 A' 3040 2936 2.60      
6 A' 1701 1643 55.30      
7 A' 1522 1470 10.97      
8 A' 1501 1450 11.94      
9 A' 1425 1377 27.87      
10 A' 1391 1343 88.20      
11 A' 1200 1159 86.67      
12 A' 1187 1146 20.94      
13 A' 1118 1079 12.35      
14 A' 1083 1046 16.14      
15 A' 972 939 52.78      
16 A' 886 856 23.85      
17 A' 815 787 3.42      
18 A' 761 735 0.18      
19 A' 577 557 4.95      
20 A' 376 363 6.00      
21 A' 249 241 4.91      
22 A" 3253 3142 0.46      
23 A" 3162 3054 12.79      
24 A" 3095 2989 8.62      
25 A" 1544 1491 12.72      
26 A" 1486 1435 7.24      
27 A" 1232 1190 0.01      
28 A" 1143 1104 3.87      
29 A" 1132 1093 2.42      
30 A" 1084 1047 8.51      
31 A" 892 862 3.31      
32 A" 804 777 2.98      
33 A" 634 612 0.38      
34 A" 266 257 0.07      
35 A" 137 132 0.39      
36 A" 78 76 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 26279.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 25378.2 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/3-21G*
ABC
0.23471 0.08867 0.07705

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.334 -0.831 0.000
C2 -0.089 -0.789 0.000
C3 0.781 -2.039 0.000
C4 0.638 0.509 0.000
C5 -0.089 1.641 0.753
C6 -0.089 1.641 -0.753
H7 0.148 -2.929 0.000
H8 1.430 -2.041 -0.887
H9 1.430 -2.041 0.887
H10 1.720 0.486 0.000
H11 -1.008 1.331 1.239
H12 0.528 2.365 1.273
H13 -1.008 1.331 -1.239
H14 0.528 2.365 -1.273

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.24572.43612.38392.86862.86862.56853.14523.14523.32612.51363.91212.51363.9121
C21.24571.52281.48762.54452.54452.15272.15912.15912.21342.62273.45722.62273.4572
C32.43611.52282.55143.85573.85571.09281.09901.09902.69324.01214.59114.01214.5911
C42.38391.48762.55141.54221.54223.47232.81322.81321.08282.21872.25382.21872.2538
C52.86862.54453.85571.54221.50694.63784.30763.98532.27531.08491.08422.21632.2390
C62.86862.54453.85571.54221.50694.63783.98534.30762.27532.21632.23901.08491.0842
H72.56852.15271.09283.47234.63784.63781.79461.79463.75924.58515.45824.58515.4582
H83.14522.15911.09902.81324.30763.98531.79461.77422.69324.67334.98914.17644.5137
H93.14522.15911.09902.81323.98534.30761.79461.77422.69324.17644.51374.67334.9891
H103.32612.21342.69321.08282.27532.27533.75922.69322.69323.11402.56413.11402.5641
H112.51362.62274.01212.21871.08492.21634.58514.67334.17643.11401.85222.47873.1214
H123.91213.45724.59112.25381.08422.23905.45824.98914.51372.56411.85223.12142.5467
H132.51362.62274.01212.21872.21631.08494.58514.17644.67333.11402.47873.12141.8522
H143.91213.45724.59112.25382.23901.08425.45824.51374.98912.56413.12142.54671.8522

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 122.952 O1 C2 C4 121.169
C2 C3 H7 109.681 C2 C3 H8 109.816
C2 C3 H9 109.816 C2 C4 C5 114.228
C2 C4 C6 114.228 C2 C4 H10 118.030
C3 C2 C4 115.879 C4 C5 C6 60.756
C4 C5 H11 114.113 C4 C5 H12 117.137
C4 C6 C5 60.756 C4 C6 H13 114.113
C4 C6 H14 117.137 C5 C4 C6 58.488
C5 C4 H10 119.134 C5 C6 H13 116.608
C5 C6 H14 118.654 C6 C4 H10 119.134
C6 C5 H11 116.608 C6 C5 H12 118.654
H7 C3 H8 109.928 H7 C3 H9 109.928
H8 C3 H9 107.646 H11 C5 H12 117.279
H13 C6 H14 117.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.468      
2 C 0.475      
3 C -0.662      
4 C -0.439      
5 C -0.379      
6 C -0.379      
7 H 0.236      
8 H 0.227      
9 H 0.227      
10 H 0.215      
11 H 0.247      
12 H 0.225      
13 H 0.247      
14 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.579 0.565 0.000 2.640
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 7.198 -0.189 0.000
y -0.189 8.729 0.000
z 0.000 0.000 6.042


<r2> (average value of r2) Å2
<r2> 167.517
(<r2>)1/2 12.943