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All results from a given calculation for C5H6 (Bicyclo[2.1.0]pent-2-ene)

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-194.089749
Energy at 298.15K-194.096008
HF Energy-194.089749
Nuclear repulsion energy160.353197
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/TZVP
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 3211 3100 7.45      
2 A 3201 3091 35.23      
3 A 3184 3074 4.84      
4 A 3097 2990 32.53      
5 A 1601 1546 8.09      
6 A 1480 1429 2.39      
7 A 1289 1244 0.95      
8 A 1200 1159 1.12      
9 A 1110 1071 1.92      
10 A 1032 996 1.84      
11 A 962 929 3.88      
12 A 860 830 2.74      
13 A 804 776 0.12      
14 A 740 714 73.39      
15 A 425 410 7.26      
16 A 3194 3083 17.92      
17 A 3177 3067 4.32      
18 A 1312 1267 23.66      
19 A 1227 1185 0.00      
20 A 1091 1053 3.51      
21 A 1043 1007 3.17      
22 A 1040 1004 6.09      
23 A 947 915 6.26      
24 A 888 858 5.90      
25 A 833 804 0.73      
26 A 782 755 34.54      
27 A 454 438 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 20092.2 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 19397.0 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/TZVP
ABC
0.36498 0.21707 0.17423

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.263 1.057 0.668
C2 -0.263 1.057 -0.668
C3 -0.263 -0.466 0.762
C4 -0.263 -0.466 -0.762
C5 0.924 -1.010 0.000
H6 -0.195 1.813 1.438
H7 -0.195 1.813 -1.438
H8 -0.871 -1.049 1.440
H9 -0.871 -1.049 -1.440
H10 1.868 -0.470 0.000
H11 1.042 -2.091 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.33581.52512.08872.47501.08122.23852.32363.04052.70533.4727
C21.33582.08871.52512.47502.23851.08123.04052.32362.70533.4727
C31.52512.08871.52471.51222.37713.16791.08082.35752.26372.2200
C42.08871.52511.52471.51223.16792.37712.35751.08082.26372.2200
C52.47502.47501.51221.51223.35943.35942.30072.30071.08811.0879
H61.08122.23852.37713.16793.35942.87602.94054.11423.39604.3403
H72.23851.08123.16792.37713.35942.87604.11422.94053.39604.3403
H82.32363.04051.08082.35752.30072.94054.11422.87913.14792.6108
H93.04052.32362.35751.08082.30074.11422.94052.87913.14792.6108
H102.70532.70532.26372.26371.08813.39603.39603.14793.14791.8201
H113.47273.47272.22002.22001.08794.34034.34032.61082.61081.8201

picture of Bicyclo[2.1.0]pent-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 93.551 C1 C2 H7 135.416
C1 C3 C4 86.449 C1 C3 C5 109.151
C1 C3 H8 125.305 C2 C1 C3 93.551
C2 C1 H6 135.416 C2 C4 C3 86.449
C2 C4 C5 109.151 C2 C4 H9 125.305
C3 C1 H6 130.818 C3 C4 C5 59.725
C3 C4 H9 128.796 C3 C5 C4 60.550
C3 C5 H10 120.172 C3 C5 H11 116.309
C4 C2 H7 130.818 C4 C3 C5 59.725
C4 C3 H8 128.796 C4 C5 H10 120.172
C4 C5 H11 116.309 C5 C3 H8 124.228
C5 C4 H9 124.228 H10 C5 H11 113.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.179      
2 C -0.179      
3 C -0.067      
4 C -0.067      
5 C -0.320      
6 H 0.121      
7 H 0.121      
8 H 0.156      
9 H 0.156      
10 H 0.131      
11 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.171 -0.424 0.000 0.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.864 0.808 0.000
y 0.808 -28.767 0.000
z 0.000 0.000 -30.089
Traceless
 xyz
x -2.436 0.808 0.000
y 0.808 2.209 0.000
z 0.000 0.000 0.227
Polar
3z2-r20.453
x2-y2-3.096
xy0.808
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.709 -0.496 0.000
y -0.496 8.512 0.000
z 0.000 0.000 8.091


<r2> (average value of r2) Å2
<r2> 87.762
(<r2>)1/2 9.368