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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-194.220307
Energy at 298.15K-194.228505
HF Energy-194.220307
Nuclear repulsion energy162.289579
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 B3LYP/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' 3258 3135 14.72      
2 A' 3235 3112 17.10      
3 A' 3186 3065 6.08      
4 A' 3166 3045 8.03      
5 A' 3156 3036 4.69      
6 A' 3130 3011 8.70      
7 A' 1713 1648 25.03      
8 A' 1531 1473 1.46      
9 A' 1517 1459 0.35      
10 A' 1376 1323 1.32      
11 A' 1370 1318 1.13      
12 A' 1259 1211 2.75      
13 A' 1181 1136 2.19      
14 A' 1080 1039 11.93      
15 A' 1047 1008 3.98      
16 A' 934 899 35.67      
17 A' 827 795 1.96      
18 A' 784 754 1.05      
19 A' 457 439 1.82      
20 A' 275 265 0.91      
21 A" 3241 3118 0.04      
22 A" 3161 3041 15.04      
23 A" 1516 1458 4.15      
24 A" 1215 1169 1.05      
25 A" 1152 1108 1.77      
26 A" 1109 1067 13.11      
27 A" 1042 1002 5.29      
28 A" 952 916 48.88      
29 A" 920 885 9.38      
30 A" 811 780 15.43      
31 A" 686 659 4.08      
32 A" 320 308 1.75      
33 A" 121 117 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 25362.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 24398.9 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 B3LYP/3-21G*
ABC
0.49922 0.10123 0.09720

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.411 0.282 0.000
C2 0.253 -1.037 0.000
C3 -0.372 -2.216 0.000
C4 0.253 1.440 0.759
C5 0.253 1.440 -0.759
H6 -1.495 0.261 0.000
H7 1.343 -1.005 0.000
H8 0.176 -3.152 0.000
H9 -1.456 -2.287 0.000
H10 -0.399 2.139 1.269
H11 1.185 1.225 1.269
H12 -0.399 2.139 -1.269
H13 1.185 1.225 -1.269

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47702.49841.53541.53541.08482.17553.48402.77352.24882.24582.24882.2458
C21.47701.33392.59102.59102.17731.09032.11622.11693.48172.75583.48172.7558
C32.49841.33393.78573.78572.71942.09881.08451.08634.53573.98364.53573.9836
C41.53542.59103.78571.51862.24142.78284.65504.16961.08341.08362.24252.2425
C51.53542.59103.78571.51862.24142.78284.65504.16962.24252.24251.08341.0836
H61.08482.17732.71942.24142.24143.10763.79982.54782.51763.11792.51763.1179
H72.17551.09032.09882.78282.78283.10762.44343.07803.81202.57073.81202.5707
H83.48402.11621.08454.65504.65503.79982.44341.84665.47114.66735.47114.6673
H92.77352.11691.08634.16964.16962.54783.07801.84664.72344.57304.72344.5730
H102.24883.48174.53571.08342.24252.51763.81205.47114.72341.82892.53863.1286
H112.24582.75583.98361.08362.24253.11792.57074.66734.57301.82893.12862.5382
H122.24883.48174.53572.24251.08342.51763.81205.47114.72342.53863.12861.8289
H132.24582.75583.98362.24251.08363.11792.57074.66734.57303.12862.53821.8289

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.373 C1 C2 H7 115.028
C1 C4 C5 60.360 C1 C4 H10 117.300
C1 C4 H11 117.027 C1 C5 C4 60.360
C1 C5 H12 117.300 C1 C5 H13 117.027
C2 C1 C4 118.646 C2 C1 C5 118.646
C2 C1 H6 115.559 C2 C3 H8 121.759
C2 C3 H9 121.676 C3 C2 H7 119.599
C4 C1 H6 116.564 C4 C5 H12 118.080
C4 C5 H13 118.063 C5 C1 H6 116.564
C5 C4 H10 118.080 C5 C4 H11 118.063
H8 C3 H9 116.565 H10 C4 H11 115.119
H12 C5 H13 115.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 C -0.109      
3 C -0.385      
4 C -0.363      
5 C -0.363      
6 H 0.194      
7 H 0.175      
8 H 0.180      
9 H 0.176      
10 H 0.206      
11 H 0.203      
12 H 0.206      
13 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.044 0.511 0.000 0.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.351 -0.965 0.000
y -0.965 -31.117 0.000
z 0.000 0.000 -33.673
Traceless
 xyz
x 3.044 -0.965 0.000
y -0.965 0.396 0.000
z 0.000 0.000 -3.439
Polar
3z2-r2-6.879
x2-y21.765
xy-0.965
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.517 0.813 0.000
y 0.813 9.928 0.000
z 0.000 0.000 4.827


<r2> (average value of r2) Å2
<r2> 134.934
(<r2>)1/2 11.616