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All results from a given calculation for C5H8 (Ethenylcyclopropane)

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-194.626105
Energy at 298.15K-194.634318
HF Energy-193.938870
Nuclear repulsion energy162.714346
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' 3268 3094 28.05      
2 A' 3268 3093 9.16      
3 A' 3189 3018 7.41      
4 A' 3186 3016 4.04      
5 A' 3181 3010 13.40      
6 A' 3159 2990 9.60      
7 A' 1760 1666 12.10      
8 A' 1569 1485 1.31      
9 A' 1511 1430 0.20      
10 A' 1402 1327 0.55      
11 A' 1351 1278 3.52      
12 A' 1271 1203 2.20      
13 A' 1261 1194 1.46      
14 A' 1115 1055 2.11      
15 A' 1037 981 4.03      
16 A' 999 945 30.01      
17 A' 850 805 0.96      
18 A' 795 752 0.27      
19 A' 452 428 0.87      
20 A' 274 260 0.99      
21 A" 3255 3081 0.12      
22 A" 3175 3005 17.67      
23 A" 1520 1439 1.39      
24 A" 1236 1170 0.62      
25 A" 1169 1106 1.44      
26 A" 1117 1057 4.18      
27 A" 1022 968 12.12      
28 A" 969 917 7.69      
29 A" 921 872 41.52      
30 A" 862 816 6.34      
31 A" 681 645 4.32      
32 A" 319 302 1.14      
33 A" 113 107 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25628.6 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 24257.5 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
0.50468 0.10146 0.09759

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)
C1 -0.387 0.291 0.000
C2 0.258 -1.045 0.000
C3 -0.404 -2.207 0.000
C4 0.258 1.435 0.751
C5 0.258 1.435 -0.751
H6 -1.476 0.272 0.000
H7 1.351 -1.049 0.000
H8 0.117 -3.161 0.000
H9 -1.492 -2.247 0.000
H10 -0.393 2.134 1.270
H11 1.195 1.234 1.264
H12 -0.393 2.134 -1.270
H13 1.195 1.234 -1.264

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48292.49741.51231.51231.08992.19443.48812.76782.23852.23422.23852.2342
C21.48291.33692.59062.59062.17741.09332.12052.12263.48442.76993.48442.7699
C32.49741.33693.77623.77622.70082.10201.08711.08884.52263.99954.52263.9995
C41.51232.59063.77621.50122.21852.81594.65844.14451.08731.08782.23522.2315
C51.51232.59063.77621.50122.21852.81594.65844.14452.23522.23151.08731.0878
H61.08992.17742.70082.21852.21853.12093.78472.51892.50093.10852.50093.1085
H72.19441.09332.10202.81592.81593.12092.44543.08473.84552.61493.84552.6149
H83.48812.12051.08714.65844.65843.78472.44541.85065.46874.69865.46874.6986
H92.76782.12261.08884.14454.14452.51893.08471.85064.69174.57584.69174.5758
H102.23853.48444.52261.08732.23522.50093.84555.46874.69171.82522.54083.1235
H112.23422.76993.99951.08782.23153.10852.61494.69864.57581.82523.12352.5287
H122.23853.48444.52262.23521.08732.50093.84555.46874.69172.54083.12351.8252
H132.23422.76993.99952.23151.08783.10852.61494.69864.57583.12352.52871.8252

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.590 C1 C2 H7 115.992
C1 C4 C5 60.242 C1 C4 H10 117.963
C1 C4 H11 117.540 C1 C5 C4 60.242
C1 C5 H12 117.963 C1 C5 H13 117.540
C2 C1 C4 119.745 C2 C1 C5 119.745
C2 C1 H6 114.770 C2 C3 H8 121.702
C2 C3 H9 121.771 C3 C2 H7 119.418
C4 C1 H6 116.039 C4 C5 H12 118.561
C4 C5 H13 118.183 C5 C1 H6 116.039
C5 C4 H10 118.561 C5 C4 H11 118.183
H8 C3 H9 116.527 H10 C4 H11 114.096
H12 C5 H13 114.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability