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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-192.923943
Energy at 298.15K-192.930094
Nuclear repulsion energy160.833974
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 LSDA/6-31G**
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 3160 3100 2.41      
2 A 3152 3093 30.04      
3 A 3142 3083 1.17      
4 A 3045 2988 22.78      
5 A 1599 1569 3.84      
6 A 1421 1394 2.91      
7 A 1292 1268 2.77      
8 A 1192 1169 1.76      
9 A 1087 1067 2.05      
10 A 1014 995 2.28      
11 A 947 929 3.96      
12 A 887 870 4.17      
13 A 785 770 0.48      
14 A 715 701 59.53      
15 A 410 403 5.66      
16 A 3146 3087 10.22      
17 A 3123 3064 4.64      
18 A 1287 1263 22.37      
19 A 1177 1155 0.05      
20 A 1043 1023 6.42      
21 A 1021 1002 0.30      
22 A 1000 981 5.38      
23 A 946 929 0.55      
24 A 868 852 8.67      
25 A 809 794 12.12      
26 A 780 766 23.89      
27 A 446 438 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 19746.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19377.6 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 LSDA/6-31G**
ABC
0.36435 0.22015 0.17650

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.267 1.045 0.673
C2 -0.267 1.045 -0.673
C3 -0.267 -0.458 0.755
C4 -0.267 -0.458 -0.755
C5 0.920 -0.997 0.000
H6 -0.115 1.820 1.432
H7 -0.115 1.820 -1.432
H8 -0.886 -1.093 1.395
H9 -0.886 -1.093 -1.395
H10 1.856 -0.424 0.000
H11 1.041 -2.089 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.34581.50542.07332.45611.09512.24782.34013.03812.66853.4621
C21.34582.07331.50542.45612.24781.09513.03812.34012.66853.4621
C31.50542.07331.51021.50702.38123.16131.09312.32532.25412.2229
C42.07331.50541.51021.50703.16132.38122.32531.09312.25412.2229
C52.45612.45611.50701.50703.32483.32482.28402.28401.09711.0990
H61.09512.24782.38123.16133.32482.86333.01374.13143.31214.3202
H72.24781.09513.16132.38123.32482.86334.13143.01373.31214.3202
H82.34013.03811.09312.32532.28403.01374.13142.78923.14822.5782
H93.03812.34012.32531.09312.28404.13143.01372.78923.14822.5782
H102.66852.66852.25412.25411.09713.31213.31213.14823.14821.8540
H113.46213.46212.22292.22291.09904.32024.32022.57822.57821.8540

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 93.130 C1 C2 H7 133.857
C1 C3 C4 86.870 C1 C3 C5 109.237
C1 C3 H8 127.754 C2 C1 C3 93.130
C2 C1 H6 133.857 C2 C4 C3 86.870
C2 C4 C5 109.237 C2 C4 H9 127.754
C3 C1 H6 131.961 C3 C4 C5 59.931
C3 C4 H9 125.806 C3 C5 C4 60.138
C3 C5 H10 119.062 C3 C5 H11 116.200
C4 C2 H7 131.961 C4 C3 C5 59.931
C4 C3 H8 125.806 C4 C5 H10 119.062
C4 C5 H11 116.200 C5 C3 H8 122.090
C5 C4 H9 122.090 H10 C5 H11 115.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.093      
2 C -0.093      
3 C -0.145      
4 C -0.145      
5 C -0.284      
6 H 0.108      
7 H 0.108      
8 H 0.131      
9 H 0.131      
10 H 0.144      
11 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.154 -0.427 0.000 0.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.766 0.834 0.000
y 0.834 -27.835 0.000
z 0.000 0.000 -29.360
Traceless
 xyz
x -2.169 0.834 0.000
y 0.834 2.229 0.000
z 0.000 0.000 -0.060
Polar
3z2-r2-0.119
x2-y2-2.932
xy0.834
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.437 -0.392 0.000
y -0.392 7.875 0.000
z 0.000 0.000 7.183


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000