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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-195.031280
Energy at 298.15K-195.039292
HF Energy-195.031280
Nuclear repulsion energy162.221201
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 PBEPBE/6-31G(2df,p)
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' 3172 3139 18.37      
2 A' 3171 3139 8.63      
3 A' 3091 3059 10.63      
4 A' 3084 3052 3.48      
5 A' 3078 3046 11.53      
6 A' 3055 3024 10.34      
7 A' 1663 1646 29.84      
8 A' 1449 1434 1.00      
9 A' 1418 1404 0.24      
10 A' 1317 1303 1.03      
11 A' 1275 1262 2.77      
12 A' 1202 1190 4.72      
13 A' 1193 1181 0.52      
14 A' 1014 1003 1.55      
15 A' 971 961 3.04      
16 A' 955 946 35.07      
17 A' 807 799 0.65      
18 A' 744 737 0.09      
19 A' 432 428 1.06      
20 A' 256 254 1.22      
21 A" 3157 3124 0.06      
22 A" 3075 3043 19.09      
23 A" 1415 1401 1.31      
24 A" 1158 1146 0.49      
25 A" 1090 1079 2.15      
26 A" 1025 1014 5.12      
27 A" 992 982 5.11      
28 A" 884 875 1.06      
29 A" 872 863 37.16      
30 A" 807 799 4.36      
31 A" 662 655 4.50      
32 A" 301 298 0.71      
33 A" 127 125 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 24454.7 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 24202.8 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 PBEPBE/6-31G(2df,p)
ABC
0.50349 0.10078 0.09692

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.393 0.284 0.000
C2 0.253 -1.041 0.000
C3 -0.386 -2.219 0.000
C4 0.253 1.443 0.752
C5 0.253 1.443 -0.752
H6 -1.487 0.265 0.000
H7 1.352 -1.027 0.000
H8 0.156 -3.167 0.000
H9 -1.479 -2.278 0.000
H10 -0.408 2.135 1.276
H11 1.195 1.241 1.267
H12 -0.408 2.135 -1.276
H13 1.195 1.241 -1.267

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47442.50371.52451.52451.09432.18283.49472.78282.24822.24562.24822.2456
C21.47441.34082.59502.59502.17571.09922.12822.12853.48632.77523.48632.7752
C32.50371.34083.79283.79282.71722.10841.09201.09434.53774.01034.53774.0103
C41.52452.59503.79281.50312.23162.80574.67174.17221.09191.09252.24252.2368
C51.52452.59503.79281.50312.23162.80574.67174.17222.24252.23681.09191.0925
H61.09432.17572.71722.23162.23163.11923.80502.54262.50783.12272.50783.1227
H72.18281.09922.10842.80572.80573.11922.45183.09543.83752.60293.83752.6029
H83.49472.12821.09204.67174.67173.80502.45181.86155.48274.70305.48274.7030
H92.78282.12851.09434.17224.17222.54263.09541.86154.71674.59784.71674.5978
H102.24823.48634.53771.09192.24252.50783.83755.48274.71671.83572.55243.1367
H112.24562.77524.01031.09252.23683.12272.60294.70304.59781.83573.13672.5345
H122.24823.48634.53772.24251.09192.50783.83755.48274.71672.55243.13671.8357
H132.24562.77524.01032.23681.09253.12272.60294.70304.59783.13672.53451.8357

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.519 C1 C2 H7 115.248
C1 C4 C5 60.463 C1 C4 H10 117.511
C1 C4 H11 117.247 C1 C5 C4 60.463
C1 C5 H12 117.511 C1 C5 H13 117.247
C2 C1 C4 119.828 C2 C1 C5 119.828
C2 C1 H6 114.974 C2 C3 H8 121.712
C2 C3 H9 121.547 C3 C2 H7 119.233
C4 C1 H6 115.919 C4 C5 H12 118.719
C4 C5 H13 118.166 C5 C1 H6 115.919
C5 C4 H10 118.719 C5 C4 H11 118.166
H8 C3 H9 116.740 H10 C4 H11 114.360
H12 C5 H13 114.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 C 0.039      
3 C -0.366      
4 C -0.282      
5 C -0.282      
6 H 0.093      
7 H 0.087      
8 H 0.116      
9 H 0.108      
10 H 0.127      
11 H 0.126      
12 H 0.127      
13 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.032 0.611 0.000 0.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.243 -1.014 0.000
y -1.014 -31.206 0.000
z 0.000 0.000 -32.979
Traceless
 xyz
x 2.850 -1.014 0.000
y -1.014 -0.094 0.000
z 0.000 0.000 -2.755
Polar
3z2-r2-5.510
x2-y21.963
xy-1.014
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.331 0.814 0.000
y 0.814 11.138 0.000
z 0.000 0.000 5.949


<r2> (average value of r2) Å2
<r2> 135.176
(<r2>)1/2 11.627