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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-194.709906
Energy at 298.15K-194.718105
HF Energy-193.986569
Nuclear repulsion energy162.856334
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 MP2/6-311G**
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 3121 14.76      
2 A' 3281 3117 11.57      
3 A' 3198 3038 7.69      
4 A' 3183 3025 1.76      
5 A' 3180 3022 9.35      
6 A' 3165 3007 8.85      
7 A' 1696 1611 19.02      
8 A' 1528 1452 1.41      
9 A' 1477 1404 0.30      
10 A' 1367 1299 0.60      
11 A' 1313 1248 3.47      
12 A' 1248 1186 2.47      
13 A' 1239 1177 2.84      
14 A' 1078 1025 4.91      
15 A' 1012 962 4.03      
16 A' 985 936 34.77      
17 A' 841 799 1.18      
18 A' 786 746 0.32      
19 A' 446 424 1.05      
20 A' 267 254 1.08      
21 A" 3271 3108 0.07      
22 A" 3176 3018 13.85      
23 A" 1487 1413 1.96      
24 A" 1217 1157 0.77      
25 A" 1143 1086 3.05      
26 A" 1085 1031 5.22      
27 A" 1016 966 13.11      
28 A" 934 887 8.69      
29 A" 885 840 41.08      
30 A" 849 807 5.99      
31 A" 676 643 5.58      
32 A" 316 301 1.25      
33 A" 123 117 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 25374.8 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 24111.1 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 MP2/6-311G**
ABC
0.50397 0.10184 0.09797

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.394 0.287 0.000
C2 0.258 -1.037 0.000
C3 -0.399 -2.206 0.000
C4 0.258 1.432 0.752
C5 0.258 1.432 -0.752
H6 -1.481 0.272 0.000
H7 1.349 -1.033 0.000
H8 0.133 -3.151 0.000
H9 -1.485 -2.240 0.000
H10 -0.394 2.131 1.265
H11 1.193 1.219 1.258
H12 -0.394 2.131 -1.265
H13 1.193 1.219 -1.258

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47562.49371.51721.51721.08682.18643.47872.75302.23552.22952.23552.2295
C21.47561.34162.58102.58102.17611.09102.11842.11793.47222.74703.47222.7470
C32.49371.34163.77333.77332.70452.10501.08441.08624.51783.98154.51783.9815
C41.51722.58103.77331.50432.22122.79904.64664.13411.08401.08472.23152.2277
C51.51722.58103.77331.50432.22122.79904.64664.13412.23152.22771.08401.0847
H61.08682.17612.70452.22122.22123.11603.78502.51272.49683.10302.49683.1030
H72.18641.09102.10502.79902.79903.11602.44223.07993.82702.58463.82702.5846
H83.47872.11841.08444.64664.64663.78502.44221.85675.45694.66985.45694.6698
H92.75302.11791.08624.13414.13412.51273.07991.85674.67934.55214.67934.5521
H102.23553.47224.51781.08402.23152.49683.82705.45694.67931.83032.52903.1169
H112.22952.74703.98151.08472.22773.10302.58464.66984.55211.83033.11692.5169
H122.23553.47224.51782.23151.08402.49683.82705.45694.67932.52903.11691.8303
H132.22952.74703.98152.22771.08473.10302.58464.66984.55213.11692.51691.8303

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.479 C1 C2 H7 116.029
C1 C4 C5 60.279 C1 C4 H10 117.539
C1 C4 H11 116.960 C1 C5 C4 60.279
C1 C5 H12 117.539 C1 C5 H13 116.960
C2 C1 C4 119.170 C2 C1 C5 119.170
C2 C1 H6 115.424 C2 C3 H8 121.302
C2 C3 H9 121.102 C3 C2 H7 119.491
C4 C1 H6 116.099 C4 C5 H12 118.206
C4 C5 H13 117.823 C5 C1 H6 116.099
C5 C4 H10 118.206 C5 C4 H11 117.823
H8 C3 H9 117.596 H10 C4 H11 115.121
H12 C5 H13 115.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability