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

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-269.693439
Energy at 298.15K-269.702181
HF Energy-268.832862
Nuclear repulsion energy230.243397
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 CCD/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' 3284 3109 6.55      
2 A' 3210 3038 8.44      
3 A' 3200 3029 7.68      
4 A' 3190 3019 8.27      
5 A' 3078 2913 3.00      
6 A' 1859 1760 98.80      
7 A' 1557 1473 12.82      
8 A' 1523 1442 10.87      
9 A' 1475 1396 101.39      
10 A' 1436 1359 7.27      
11 A' 1265 1197 8.01      
12 A' 1239 1173 75.51      
13 A' 1146 1085 12.08      
14 A' 1115 1055 10.02      
15 A' 1013 959 33.37      
16 A' 959 908 13.00      
17 A' 833 789 1.27      
18 A' 776 735 0.12      
19 A' 606 574 14.33      
20 A' 381 360 3.89      
21 A' 249 235 4.42      
22 A" 3273 3098 0.42      
23 A" 3186 3015 11.43      
24 A" 3149 2980 8.55      
25 A" 1527 1445 10.06      
26 A" 1506 1425 3.15      
27 A" 1246 1179 0.19      
28 A" 1165 1103 2.26      
29 A" 1134 1074 2.13      
30 A" 1089 1031 3.44      
31 A" 933 883 0.48      
32 A" 869 822 5.48      
33 A" 615 582 2.04      
34 A" 269 255 0.47      
35 A" 145 138 0.02      
36 A" 70 66 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 26784.6 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 25351.6 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 CCD/6-31G*
ABC
0.24028 0.08755 0.07659

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.480 -0.553 0.000
C2 -0.277 -0.759 0.000
C3 0.298 -2.158 0.000
C4 0.700 0.373 0.000
C5 0.298 1.630 0.745
C6 0.298 1.630 -0.745
H7 -0.514 -2.889 0.000
H8 0.931 -2.305 -0.884
H9 0.931 -2.305 0.884
H10 1.754 0.105 0.000
H11 -0.665 1.595 1.247
H12 1.080 2.172 1.271
H13 -0.665 1.595 -1.247
H14 1.080 2.172 -1.271

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22032.39522.36812.91252.91252.52783.10873.10873.30062.61453.94902.61453.9490
C21.22031.51301.49482.56762.56762.14362.15242.15242.20752.69223.47052.69223.4705
C32.39521.51302.56273.86083.86081.09261.09751.09752.69144.07094.57984.07094.5798
C42.36811.49482.56271.51571.51573.48052.82972.82971.08812.21642.23502.21642.2350
C52.91252.56763.86081.51571.49064.65174.30603.98822.23641.08651.08692.21322.2292
C62.91252.56763.86081.51571.49064.65173.98824.30602.23642.21322.22921.08651.0869
H72.52782.14361.09263.48054.65174.65171.79211.79213.75664.65735.45624.65735.4562
H83.10872.15241.09752.82974.30603.98821.79211.76882.69624.72284.97084.23014.4960
H93.10872.15241.09752.82973.98824.30601.79211.76882.69624.23014.49604.72284.9708
H103.30062.20752.69141.08812.23642.23643.75662.69622.69623.10322.51783.10322.5178
H112.61452.69224.07092.21641.08652.21324.65734.72284.23013.10321.83822.49413.1172
H123.94903.47054.57982.23501.08692.22925.45624.97084.49602.51781.83823.11722.5412
H132.61452.69224.07092.21642.21321.08654.65734.23014.72283.10322.49413.11721.8382
H143.94903.47054.57982.23502.22921.08695.45624.49604.97082.51783.11722.54121.8382

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 122.035 O1 C2 C4 121.101
C2 C3 H7 109.660 C2 C3 H8 110.064
C2 C3 H9 110.064 C2 C4 C5 117.050
C2 C4 C6 117.050 C2 C4 H10 116.558
C3 C2 C4 116.864 C4 C5 C6 60.545
C4 C5 H11 115.820 C4 C5 H12 117.409
C4 C6 C5 60.545 C4 C6 H13 115.820
C4 C6 H14 117.409 C5 C4 C6 58.909
C5 C4 H10 117.444 C5 C6 H13 117.504
C5 C6 H14 118.900 C6 C4 H10 117.444
C6 C5 H11 117.504 C6 C5 H12 118.900
H7 C3 H8 109.825 H7 C3 H9 109.825
H8 C3 H9 107.374 H11 C5 H12 115.510
H13 C6 H14 115.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability