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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-194.305146
Energy at 298.15K-194.313263
HF Energy-193.872600
Nuclear repulsion energy159.568136
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/SDD
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' 3262 3148 34.84      
2 A' 3253 3140 26.72      
3 A' 3171 3061 11.27      
4 A' 3148 3039 10.44      
5 A' 3145 3036 9.90      
6 A' 3126 3018 19.42      
7 A' 1657 1600 19.88      
8 A' 1530 1477 1.93      
9 A' 1498 1446 0.82      
10 A' 1366 1318 1.26      
11 A' 1329 1283 1.83      
12 A' 1249 1206 3.63      
13 A' 1206 1164 0.50      
14 A' 1132 1093 11.26      
15 A' 1024 989 7.59      
16 A' 938 905 32.09      
17 A' 843 813 2.39      
18 A' 779 752 2.91      
19 A' 440 424 1.34      
20 A' 265 255 0.87      
21 A" 3246 3133 0.05      
22 A" 3141 3032 23.59      
23 A" 1510 1458 3.26      
24 A" 1229 1186 0.93      
25 A" 1176 1135 2.09      
26 A" 1134 1095 9.37      
27 A" 999 964 26.36      
28 A" 946 913 1.84      
29 A" 854 824 61.64      
30 A" 823 795 18.35      
31 A" 673 650 4.51      
32 A" 312 301 1.87      
33 A" 113 109 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 25257.8 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 24381.4 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/SDD
ABC
0.48342 0.09754 0.09356

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.396 0.288 0.000
C2 0.263 -1.062 0.000
C3 -0.411 -2.254 0.000
C4 0.263 1.467 0.775
C5 0.263 1.467 -0.775
H6 -1.492 0.265 0.000
H7 1.363 -1.066 0.000
H8 0.120 -3.210 0.000
H9 -1.505 -2.292 0.000
H10 -0.397 2.170 1.290
H11 1.210 1.265 1.286
H12 -0.397 2.170 -1.290
H13 1.210 1.265 -1.286

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50302.54281.55681.55681.09632.22043.53602.80882.28132.27762.28132.2776
C21.50301.36942.64492.64492.20101.10032.15212.15403.54222.82253.54222.8225
C32.54281.36943.86003.86002.74202.13561.09311.09514.60854.08254.60854.0825
C41.55682.64493.86001.55022.26392.86774.74214.22561.09361.09452.27942.2771
C51.55682.64493.86001.55022.26392.86774.74214.22562.27942.27711.09361.0945
H61.09632.20102.74202.26392.26393.15083.83112.55762.54783.15512.54783.1551
H72.22041.10032.13562.86772.86773.15082.47823.11993.90302.66653.90302.6665
H83.53602.15211.09314.74214.74213.83112.47821.86675.55624.78165.55624.7816
H92.80882.15401.09514.22564.22562.55763.11991.86674.77524.65614.77524.6561
H102.28133.54224.60851.09362.27942.54783.90305.55624.77521.84412.58033.1683
H112.27762.82254.08251.09452.27713.15512.66654.78164.65611.84413.16832.5723
H122.28133.54224.60852.27941.09362.54783.90305.55624.77522.58033.16831.8441
H132.27762.82254.08252.27711.09453.15512.66654.78164.65613.16832.57231.8441

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.496 C1 C2 H7 116.204
C1 C4 C5 60.140 C1 C4 H10 117.745
C1 C4 H11 117.356 C1 C5 C4 60.140
C1 C5 H12 117.745 C1 C5 H13 117.356
C2 C1 C4 119.619 C2 C1 C5 119.619
C2 C1 H6 114.821 C2 C3 H8 121.438
C2 C3 H9 121.464 C3 C2 H7 119.300
C4 C1 H6 116.062 C4 C5 H12 118.099
C4 C5 H13 117.835 C5 C1 H6 116.062
C5 C4 H10 118.099 C5 C4 H11 117.835
H8 C3 H9 117.098 H10 C4 H11 114.875
H12 C5 H13 114.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability