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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-194.519047
Energy at 298.15K-194.527398
HF Energy-193.939975
Nuclear repulsion energy163.567642
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 CISD/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' 3353 3104 20.20      
2 A' 3348 3100 19.84      
3 A' 3273 3030 7.02      
4 A' 3272 3029 4.58      
5 A' 3261 3019 16.24      
6 A' 3247 3006 8.39      
7 A' 1821 1686 19.62      
8 A' 1613 1493 1.29      
9 A' 1554 1439 0.26      
10 A' 1442 1335 0.90      
11 A' 1390 1287 3.25      
12 A' 1305 1208 2.20      
13 A' 1291 1196 2.24      
14 A' 1148 1063 1.32      
15 A' 1064 985 4.41      
16 A' 1024 948 35.43      
17 A' 871 807 1.12      
18 A' 814 754 0.29      
19 A' 464 430 1.08      
20 A' 282 261 1.19      
21 A" 3334 3087 0.13      
22 A" 3254 3012 20.03      
23 A" 1561 1445 1.14      
24 A" 1271 1177 0.63      
25 A" 1205 1116 1.22      
26 A" 1157 1071 4.34      
27 A" 1078 998 10.81      
28 A" 998 924 3.86      
29 A" 982 909 53.21      
30 A" 884 819 7.03      
31 A" 712 659 4.47      
32 A" 329 304 1.11      
33 A" 119 110 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 26359.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 24403.6 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 CISD/6-31G*
ABC
0.51034 0.10243 0.09851

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.387 0.290 0.000
C2 0.255 -1.041 0.000
C3 -0.397 -2.197 0.000
C4 0.255 1.428 0.747
C5 0.255 1.428 -0.747
H6 -1.469 0.271 0.000
H7 1.341 -1.044 0.000
H8 0.124 -3.142 0.000
H9 -1.478 -2.240 0.000
H10 -0.392 2.123 1.263
H11 1.187 1.230 1.257
H12 -0.392 2.123 -1.263
H13 1.187 1.230 -1.257

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47802.48651.50531.50531.08252.18293.47002.75542.22602.22302.22602.2230
C21.47801.32672.58012.58012.16711.08572.10492.10753.46792.75823.46792.7582
C32.48651.32673.75803.75802.69032.08551.08011.08174.50033.97884.50033.9788
C41.50532.58013.75801.49382.20692.80184.63294.12551.08041.08102.22272.2191
C51.50532.58013.75801.49382.20692.80184.63294.12552.22272.21911.08041.0810
H61.08252.16712.69032.20692.20693.10273.76702.51132.48713.09132.48713.0913
H72.18291.08572.08552.80182.80183.10272.42513.06223.82462.60303.82462.6030
H83.47002.10491.08014.63294.63293.76702.42511.83905.43904.67175.43904.6717
H92.75542.10751.08174.12554.12552.51133.06221.83904.67034.55254.67034.5525
H102.22603.46794.50031.08042.22272.48713.82465.43904.67031.81392.52603.1051
H112.22302.75823.97881.08102.21913.09132.60304.67174.55251.81393.10512.5144
H122.22603.46794.50032.22271.08042.48713.82465.43904.67032.52603.10511.8139
H132.22302.75823.97882.21911.08103.09132.60304.67174.55253.10512.51441.8139

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.791 C1 C2 H7 115.898
C1 C4 C5 60.253 C1 C4 H10 117.897
C1 C4 H11 117.591 C1 C5 C4 60.253
C1 C5 H12 117.897 C1 C5 H13 117.591
C2 C1 C4 119.728 C2 C1 C5 119.728
C2 C1 H6 114.750 C2 C3 H8 121.648
C2 C3 H9 121.775 C3 C2 H7 119.311
C4 C1 H6 116.079 C4 C5 H12 118.535
C4 C5 H13 118.171 C5 C1 H6 116.079
C5 C4 H10 118.535 C5 C4 H11 118.171
H8 C3 H9 116.577 H10 C4 H11 114.125
H12 C5 H13 114.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability