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

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3
 hartrees
Energy at 0K-270.320499
Energy at 298.15K-270.312881
HF Energy-268.834864
Nuclear repulsion energy231.505711
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 HF/6-31G*
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' 3421 3223 13.09      
2 A' 3346 3153 13.70      
3 A' 3326 3134 9.99      
4 A' 3324 3132 21.39      
5 A' 3205 3020 6.26      
6 A' 1997 1881 187.77      
7 A' 1655 1560 13.04      
8 A' 1610 1517 10.50      
9 A' 1567 1477 86.69      
10 A' 1535 1446 5.80      
11 A' 1324 1248 41.15      
12 A' 1301 1225 62.84      
13 A' 1215 1145 13.83      
14 A' 1190 1122 10.28      
15 A' 1067 1005 46.52      
16 A' 990 933 26.91      
17 A' 875 824 0.41      
18 A' 808 761 0.14      
19 A' 639 602 18.27      
20 A' 398 375 4.80      
21 A' 258 243 5.20      
22 A" 3407 3210 0.32      
23 A" 3320 3128 21.45      
24 A" 3261 3073 17.46      
25 A" 1620 1527 8.62      
26 A" 1603 1510 1.10      
27 A" 1327 1250 0.15      
28 A" 1249 1177 0.78      
29 A" 1229 1158 2.63      
30 A" 1169 1101 3.26      
31 A" 980 923 0.73      
32 A" 905 852 6.12      
33 A" 659 621 5.24      
34 A" 283 266 0.90      
35 A" 148 139 0.00      
36 A" 70 66 2.05      

Unscaled Zero Point Vibrational Energy (zpe) 28140.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 26513.6 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 MP2=FULL/6-31G*
ABC
0.23998 0.08849 0.07717

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.482 -0.539 0.000
C2 -0.271 -0.754 0.000
C3 0.296 -2.152 0.000
C4 0.706 0.366 0.000
C5 0.296 1.621 0.743
C6 0.296 1.621 -0.743
H7 -0.517 -2.878 0.000
H8 0.927 -2.300 -0.882
H9 0.927 -2.300 0.882
H10 1.760 0.104 0.000
H11 -0.666 1.572 1.241
H12 1.074 2.165 1.267
H13 -0.666 1.572 -1.241
H14 1.074 2.165 -1.267

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23022.40082.36862.89462.89462.53053.11253.11253.30582.58143.93072.58143.9307
C21.23021.50871.48652.55162.55162.13862.14622.14622.20512.66543.45422.66543.4542
C32.40081.50872.55123.84473.84471.09021.09481.09482.68954.04114.56534.04114.5653
C42.36861.48652.55121.51431.51433.46732.81742.81741.08592.20822.23042.20822.2304
C52.89462.55163.84471.51431.48514.63154.29093.97392.23471.08441.08442.20512.2224
C62.89462.55163.84471.51431.48514.63153.97394.29092.23472.20512.22241.08441.0844
H72.53052.13861.09023.46734.63154.63151.78811.78813.75234.62225.43754.62225.4375
H83.11252.14621.09482.81744.29093.97391.78811.76402.69334.69464.95754.20254.4841
H93.11252.14621.09482.81743.97394.29091.78811.76402.69334.20254.48414.69464.9575
H103.30582.20512.68951.08592.23472.23473.75232.69332.69333.09502.51433.09502.5143
H112.58142.66544.04112.20821.08442.20514.62224.69464.20253.09501.83802.48223.1093
H123.93073.45424.56532.23041.08442.22245.43754.95754.48412.51431.83803.10932.5338
H132.58142.66544.04112.20822.20511.08444.62224.20254.69463.09502.48223.10931.8380
H143.93073.45424.56532.23042.22241.08445.43754.48414.95752.51433.10932.53381.8380

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 121.770 O1 C2 C4 121.551
C2 C3 H7 109.903 C2 C3 H8 110.115
C2 C3 H9 110.115 C2 C4 C5 117.753
C2 C4 C6 117.753 C2 C4 H10 115.995
C3 C2 C4 116.679 C4 C5 C6 60.624
C4 C5 H11 116.273 C4 C5 H12 117.051
C4 C6 C5 60.624 C4 C6 H13 116.273
C4 C6 H14 117.051 C5 C4 C6 58.752
C5 C4 H10 117.255 C5 C6 H13 117.751
C5 C6 H14 118.770 C6 C4 H10 117.255
C6 C5 H11 117.751 C6 C5 H12 118.770
H7 C3 H8 109.691 H7 C3 H9 109.691
H8 C3 H9 107.286 H11 C5 H12 115.354
H13 C6 H14 115.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability