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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-194.670924
Energy at 298.15K-194.679167
HF Energy-193.953390
Nuclear repulsion energy163.455003
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=FULL/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' 3345 3125 14.51      
2 A' 3339 3120 13.26      
3 A' 3246 3034 7.59      
4 A' 3245 3032 3.22      
5 A' 3237 3025 9.90      
6 A' 3218 3007 9.25      
7 A' 1740 1625 14.85      
8 A' 1572 1469 0.81      
9 A' 1518 1418 0.21      
10 A' 1399 1307 0.91      
11 A' 1346 1257 3.49      
12 A' 1272 1188 2.36      
13 A' 1263 1180 2.32      
14 A' 1110 1037 2.29      
15 A' 1035 967 4.27      
16 A' 1006 940 31.44      
17 A' 855 799 0.86      
18 A' 797 745 0.23      
19 A' 451 421 0.91      
20 A' 270 253 1.10      
21 A" 3327 3109 0.07      
22 A" 3232 3020 14.28      
23 A" 1528 1428 0.67      
24 A" 1241 1159 0.55      
25 A" 1172 1095 2.21      
26 A" 1112 1039 4.32      
27 A" 1037 969 10.27      
28 A" 959 896 8.92      
29 A" 909 850 35.85      
30 A" 862 805 6.12      
31 A" 686 641 3.87      
32 A" 320 299 1.01      
33 A" 122 114 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 25883.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 24185.5 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 MP2=FULL/6-31G**
ABC
0.50928 0.10238 0.09849

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)
C1 -0.389 0.288 0.000
C2 0.257 -1.035 0.000
C3 -0.401 -2.200 0.000
C4 0.257 1.429 0.748
C5 0.257 1.429 -0.748
H6 -1.471 0.271 0.000
H7 1.343 -1.037 0.000
H8 0.122 -3.144 0.000
H9 -1.481 -2.235 0.000
H10 -0.390 2.123 1.262
H11 1.188 1.222 1.255
H12 -0.390 2.123 -1.262
H13 1.188 1.222 -1.255

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47212.48771.50931.50931.08252.18033.46922.74882.22742.22112.22742.2211
C21.47211.33782.57492.57492.16631.08602.11282.11203.46212.74533.46212.7453
C32.48771.33783.76293.76292.69272.09621.07901.08084.50353.97624.50353.9762
C41.50932.57493.76291.49532.21032.79634.63514.12331.07931.08002.22232.2179
C51.50932.57493.76291.49532.21032.79634.63514.12332.22232.21791.07931.0800
H61.08252.16632.69272.21032.21033.10333.76812.50572.48833.09012.48833.0901
H72.18031.08602.09622.79632.79633.10332.43483.06773.81872.58913.81872.5891
H83.46922.11281.07904.63514.63513.76812.43481.84325.44004.66595.44004.6659
H92.74882.11201.08084.12334.12332.50573.06771.84324.66624.54404.66624.5440
H102.22743.46214.50351.07932.22232.48833.81875.44004.66621.81672.52363.1040
H112.22112.74533.97621.08002.21793.09012.58914.66594.54401.81673.10402.5099
H122.22743.46214.50352.22231.07932.48833.81875.44004.66622.52363.10401.8167
H132.22112.74533.97622.21791.08003.09012.58914.66594.54403.10402.50991.8167

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.513 C1 C2 H7 116.119
C1 C4 C5 60.307 C1 C4 H10 117.775
C1 C4 H11 117.175 C1 C5 C4 60.307
C1 C5 H12 117.775 C1 C5 H13 117.175
C2 C1 C4 119.458 C2 C1 C5 119.458
C2 C1 H6 115.138 C2 C3 H8 121.528
C2 C3 H9 121.307 C3 C2 H7 119.368
C4 C1 H6 116.063 C4 C5 H12 118.450
C4 C5 H13 118.019 C5 C1 H6 116.063
C5 C4 H10 118.450 C5 C4 H11 118.019
H8 C3 H9 117.165 H10 C4 H11 114.569
H12 C5 H13 114.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability