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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-193.309270
Energy at 298.15K-193.317509
HF Energy-192.853536
Nuclear repulsion energy161.711846
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/3-21G*
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' 3299 3127 12.30      
2 A' 3260 3091 15.89      
3 A' 3208 3041 3.83      
4 A' 3200 3034 7.39      
5 A' 3175 3010 4.70      
6 A' 3144 2980 9.35      
7 A' 1690 1603 12.15      
8 A' 1572 1490 1.15      
9 A' 1542 1462 0.38      
10 A' 1389 1317 1.55      
11 A' 1381 1309 1.09      
12 A' 1270 1204 2.08      
13 A' 1176 1115 2.87      
14 A' 1140 1081 10.37      
15 A' 1067 1012 4.09      
16 A' 938 890 27.49      
17 A' 841 797 1.23      
18 A' 795 754 1.72      
19 A' 457 433 1.46      
20 A' 277 263 0.76      
21 A" 3283 3112 0.05      
22 A" 3196 3030 11.42      
23 A" 1559 1478 2.54      
24 A" 1244 1179 0.66      
25 A" 1192 1130 2.18      
26 A" 1152 1093 8.88      
27 A" 1042 988 13.33      
28 A" 958 909 0.21      
29 A" 940 891 49.24      
30 A" 825 782 15.21      
31 A" 687 652 3.39      
32 A" 325 308 1.82      
33 A" 113 107 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 25668.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 24333.6 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 MP2=FULL/3-21G*
ABC
0.49542 0.10045 0.09643

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.409 0.286 0.000
C2 0.256 -1.042 0.000
C3 -0.382 -2.224 0.000
C4 0.256 1.445 0.763
C5 0.256 1.445 -0.763
H6 -1.495 0.265 0.000
H7 1.348 -1.019 0.000
H8 0.157 -3.166 0.000
H9 -1.468 -2.286 0.000
H10 -0.392 2.147 1.273
H11 1.189 1.228 1.271
H12 -0.392 2.147 -1.273
H13 1.189 1.228 -1.271

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48452.51001.53891.53891.08622.18803.49762.78152.25502.24852.25502.2485
C21.48451.34412.60082.60082.18501.09192.12672.12643.49382.76353.49382.7635
C32.51001.34413.80153.80152.72682.10891.08521.08714.55254.00034.55254.0003
C41.53892.60083.80151.52662.24482.80064.67444.18041.08321.08372.24962.2486
C51.53892.60083.80151.52662.24482.80064.67444.18042.24962.24861.08321.0837
H61.08622.18502.72682.24482.24483.11933.80812.55192.52493.12142.52493.1214
H72.18801.09192.10892.80062.80063.11932.45543.08793.83012.58653.83012.5865
H83.49762.12671.08524.67444.67443.80812.45541.84755.49054.68915.49054.6891
H92.78152.12641.08714.18044.18042.55193.08791.84754.73594.58514.73594.5851
H102.25503.49384.55251.08322.24962.52493.83015.49054.73591.82852.54653.1335
H112.24852.76354.00031.08372.24863.12142.58654.68914.58511.82853.13352.5429
H122.25503.49384.55252.24961.08322.52493.83015.49054.73592.54653.13351.8285
H132.24852.76354.00032.24861.08373.12142.58654.68914.58513.13352.54291.8285

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.016 C1 C2 H7 115.414
C1 C4 C5 60.264 C1 C4 H10 117.573
C1 C4 H11 116.979 C1 C5 C4 60.264
C1 C5 H12 117.573 C1 C5 H13 116.979
C2 C1 C4 118.677 C2 C1 C5 118.677
C2 C1 H6 115.546 C2 C3 H8 121.825
C2 C3 H9 121.649 C3 C2 H7 119.570
C4 C1 H6 116.487 C4 C5 H12 118.084
C4 C5 H13 117.962 C5 C1 H6 116.487
C5 C4 H10 118.084 C5 C4 H11 117.962
H8 C3 H9 116.526 H10 C4 H11 115.084
H12 C5 H13 115.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability