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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: CCD/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 CCD/3-21G
 hartrees
Energy at 0K-193.349681
Energy at 298.15K-193.357890
HF Energy-192.852800
Nuclear repulsion energy161.345874
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/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' 3248 3158 16.03      
2 A' 3207 3118 18.31      
3 A' 3167 3079 4.09      
4 A' 3158 3070 8.28      
5 A' 3131 3044 5.53      
6 A' 3103 3017 9.70      
7 A' 1705 1658 7.88      
8 A' 1556 1513 1.50      
9 A' 1528 1486 0.24      
10 A' 1380 1342 0.68      
11 A' 1373 1335 1.82      
12 A' 1259 1224 1.55      
13 A' 1168 1135 1.70      
14 A' 1132 1101 11.30      
15 A' 1059 1029 3.03      
16 A' 929 903 23.11      
17 A' 830 807 1.06      
18 A' 788 766 1.52      
19 A' 454 441 1.19      
20 A' 276 269 0.61      
21 A" 3233 3143 0.06      
22 A" 3152 3065 13.35      
23 A" 1539 1496 2.82      
24 A" 1230 1196 0.78      
25 A" 1181 1148 1.18      
26 A" 1147 1115 8.41      
27 A" 1022 993 11.42      
28 A" 954 928 3.26      
29 A" 941 915 43.22      
30 A" 823 800 14.60      
31 A" 677 658 3.59      
32 A" 324 315 1.80      
33 A" 106 103 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 25388.4 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 24685.2 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/3-21G
ABC
0.49243 0.10006 0.09605

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.410 0.288 0.000
C2 0.257 -1.047 0.000
C3 -0.384 -2.227 0.000
C4 0.257 1.447 0.766
C5 0.257 1.447 -0.766
H6 -1.499 0.267 0.000
H7 1.352 -1.022 0.000
H8 0.153 -3.174 0.000
H9 -1.473 -2.290 0.000
H10 -0.391 2.154 1.277
H11 1.192 1.230 1.276
H12 -0.391 2.154 -1.277
H13 1.192 1.230 -1.276

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49232.51511.54041.54041.08912.19553.50782.78842.26032.25412.26032.2541
C21.49231.34302.60832.60832.19311.09492.12992.13023.50582.77213.50582.7721
C32.51511.34303.80673.80672.73172.11281.08891.09074.56254.00754.56254.0075
C41.54042.60833.80671.53122.24962.80694.68494.18791.08661.08712.25622.2560
C51.54042.60833.80671.53122.24962.80694.68494.18792.25622.25601.08661.0871
H61.08912.19312.73172.24962.24963.12853.81712.55692.53283.12982.53283.1298
H72.19551.09492.11282.80692.80693.12852.46343.09603.84072.59313.84072.5931
H83.50782.12991.08894.68494.68493.81712.46341.85085.50534.70125.50534.7012
H92.78842.13021.09074.18794.18792.55693.09601.85084.74774.59524.74774.5952
H102.26033.50584.56251.08662.25622.53283.84075.50534.74771.83282.55333.1425
H112.25412.77214.00751.08712.25603.12982.59314.70124.59521.83283.14252.5520
H122.26033.50584.56252.25621.08662.53283.84075.50534.74772.55333.14251.8328
H132.25412.77214.00752.25601.08713.12982.59314.70124.59523.14252.55201.8328

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.937 C1 C2 H7 115.257
C1 C4 C5 60.197 C1 C4 H10 117.690
C1 C4 H11 117.110 C1 C5 C4 60.197
C1 C5 H12 117.690 C1 C5 H13 117.110
C2 C1 C4 118.633 C2 C1 C5 118.633
C2 C1 H6 115.438 C2 C3 H8 121.941
C2 C3 H9 121.819 C3 C2 H7 119.805
C4 C1 H6 116.581 C4 C5 H12 118.056
C4 C5 H13 118.001 C5 C1 H6 116.581
C5 C4 H10 118.056 C5 C4 H11 118.001
H8 C3 H9 116.240 H10 C4 H11 114.956
H12 C5 H13 114.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability