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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-193.964633
Energy at 298.15K-193.973120
HF Energy-193.964633
Nuclear repulsion energy163.884202
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 HF/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' 3372 3053 27.27      
2 A' 3367 3049 25.53      
3 A' 3302 2990 11.37      
4 A' 3295 2983 2.84      
5 A' 3281 2971 26.13      
6 A' 3275 2966 3.95      
7 A' 1861 1686 25.14      
8 A' 1641 1486 1.11      
9 A' 1587 1437 0.72      
10 A' 1469 1330 2.31      
11 A' 1424 1289 3.57      
12 A' 1326 1201 1.90      
13 A' 1298 1175 2.69      
14 A' 1178 1067 1.33      
15 A' 1085 983 3.13      
16 A' 1027 930 37.05      
17 A' 878 795 1.14      
18 A' 821 743 0.37      
19 A' 473 429 1.33      
20 A' 289 261 1.44      
21 A" 3350 3034 0.15      
22 A" 3271 2962 29.10      
23 A" 1591 1441 0.46      
24 A" 1302 1179 0.42      
25 A" 1243 1126 0.47      
26 A" 1198 1084 2.60      
27 A" 1137 1030 7.13      
28 A" 1052 953 38.78      
29 A" 1013 917 17.07      
30 A" 891 807 8.07      
31 A" 739 669 3.60      
32 A" 338 306 0.77      
33 A" 127 115 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26750.4 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 24222.5 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 HF/6-31G(2df,p)
ABC
0.51311 0.10260 0.09863

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.388 0.290 0.000
C2 0.253 -1.045 0.000
C3 -0.389 -2.194 0.000
C4 0.253 1.428 0.746
C5 0.253 1.428 -0.746
H6 -1.464 0.270 0.000
H7 1.333 -1.045 0.000
H8 0.137 -3.132 0.000
H9 -1.465 -2.244 0.000
H10 -0.393 2.119 1.259
H11 1.181 1.235 1.254
H12 -0.393 2.119 -1.259
H13 1.181 1.235 -1.254

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48112.48461.50421.50421.07642.17803.46242.75342.22032.21962.22032.2196
C21.48111.31622.58382.58382.16261.08012.09012.09443.46612.76303.46612.7630
C32.48461.31623.75413.75412.68862.07021.07521.07694.49333.97484.49333.9748
C41.50422.58383.75411.49292.20132.80054.62274.12201.07531.07582.21722.2137
C51.50422.58383.75411.49292.20132.80054.62274.12202.21722.21371.07531.0758
H61.07642.16262.68862.20132.20133.09063.76002.51372.48023.08242.48023.0824
H72.17801.08012.07022.80052.80053.09062.40533.04363.81772.60653.81772.6065
H83.46242.09011.07524.62274.62273.76002.40531.83175.42594.66215.42594.6621
H92.75342.09441.07694.12204.12202.51373.04361.83174.66554.54714.66554.5471
H102.22033.46614.49331.07532.21722.48023.81775.42594.66551.80542.51833.0941
H112.21962.76303.97481.07582.21373.08242.60654.66214.54711.80543.09412.5072
H122.22033.46614.49332.21721.07532.48023.81775.42594.66552.51833.09411.8054
H132.21962.76303.97482.21371.07583.08242.60654.66214.54713.09412.50721.8054

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.196 C1 C2 H7 115.618
C1 C4 C5 60.248 C1 C4 H10 117.843
C1 C4 H11 117.744 C1 C5 C4 60.248
C1 C5 H12 117.843 C1 C5 H13 117.744
C2 C1 C4 119.879 C2 C1 C5 119.879
C2 C1 H6 114.543 C2 C3 H8 121.526
C2 C3 H9 121.808 C3 C2 H7 119.186
C4 C1 H6 116.095 C4 C5 H12 118.478
C4 C5 H13 118.126 C5 C1 H6 116.095
C5 C4 H10 118.478 C5 C4 H11 118.126
H8 C3 H9 116.666 H10 C4 H11 114.130
H12 C5 H13 114.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.091      
2 C -0.027      
3 C -0.390      
4 C -0.310      
5 C -0.310      
6 H 0.134      
7 H 0.131      
8 H 0.143      
9 H 0.137      
10 H 0.147      
11 H 0.145      
12 H 0.147      
13 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.051 0.452 0.000 0.455
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.393 -0.907 0.000
y -0.907 -31.372 0.000
z 0.000 0.000 -33.474
Traceless
 xyz
x 3.030 -0.907 0.000
y -0.907 0.061 0.000
z 0.000 0.000 -3.091
Polar
3z2-r2-6.183
x2-y21.979
xy-0.907
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.936 0.992 0.000
y 0.992 10.166 0.000
z 0.000 0.000 5.711


<r2> (average value of r2) Å2
<r2> 133.240
(<r2>)1/2 11.543