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

using model chemistry: LSDA/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-192.919784
Energy at 298.15K-192.925903
Nuclear repulsion energy160.383087
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/cc-pVDZ
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 3151 3116 5.24      
2 A 3143 3108 22.56      
3 A 3131 3097 0.54      
4 A 3028 2995 21.76      
5 A 1588 1571 3.59      
6 A 1384 1369 3.98      
7 A 1275 1261 3.36      
8 A 1179 1166 1.38      
9 A 1066 1054 2.63      
10 A 990 979 2.24      
11 A 930 920 4.86      
12 A 879 869 3.26      
13 A 766 757 0.40      
14 A 705 697 60.33      
15 A 406 402 5.92      
16 A 3134 3099 8.62      
17 A 3114 3080 3.27      
18 A 1267 1253 22.91      
19 A 1150 1138 0.14      
20 A 1024 1013 5.35      
21 A 1005 994 0.08      
22 A 980 969 5.57      
23 A 932 922 0.28      
24 A 864 855 7.88      
25 A 805 796 10.50      
26 A 774 766 28.66      
27 A 442 437 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 19555.7 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 19340.6 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/cc-pVDZ
ABC
0.36179 0.21937 0.17574

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.268 1.046 0.675
C2 -0.268 1.046 -0.675
C3 -0.268 -0.460 0.758
C4 -0.268 -0.460 -0.758
C5 0.923 -0.996 0.000
H6 -0.121 1.828 1.437
H7 -0.121 1.828 -1.437
H8 -0.888 -1.101 1.401
H9 -0.888 -1.101 -1.401
H10 1.860 -0.413 0.000
H11 1.043 -2.095 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.34981.50832.07872.45821.10182.25712.34973.05012.66663.4698
C21.34982.07871.50832.45822.25711.10183.05012.34972.66663.4698
C31.50832.07871.51571.50972.39103.17401.09962.33582.25922.2284
C42.07871.50831.51571.50973.17402.39102.33581.09962.25922.2284
C52.45822.45821.50971.50973.33603.33602.29212.29211.10391.1055
H61.10182.25712.39103.17403.33602.87493.02754.14983.31814.3368
H72.25711.10183.17402.39103.33602.87494.14983.02753.31814.3368
H82.34973.05011.09962.33582.29213.02754.14982.80173.16062.5849
H93.05012.34972.33581.09962.29214.14983.02752.80173.16062.5849
H102.66662.66662.25922.25921.10393.31813.31813.16063.16061.8700
H113.46983.46982.22842.22841.10554.33684.33682.58492.58491.8700

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 93.152 C1 C2 H7 133.797
C1 C3 C4 86.848 C1 C3 C5 109.079
C1 C3 H8 127.881 C2 C1 C3 93.152
C2 C1 H6 133.797 C2 C4 C3 86.848
C2 C4 C5 109.079 C2 C4 H9 127.881
C3 C1 H6 132.089 C3 C4 C5 59.868
C3 C4 H9 125.786 C3 C5 C4 60.264
C3 C5 H10 118.816 C3 C5 H11 116.027
C4 C2 H7 132.089 C4 C3 C5 59.868
C4 C3 H8 125.786 C4 C5 H10 118.816
C4 C5 H11 116.027 C5 C3 H8 122.122
C5 C4 H9 122.122 H10 C5 H11 115.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 C -0.021      
3 C -0.071      
4 C -0.071      
5 C -0.042      
6 H 0.015      
7 H 0.015      
8 H 0.035      
9 H 0.035      
10 H 0.061      
11 H 0.063      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.136 -0.455 0.000 0.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.348 0.794 0.000
y 0.794 -28.305 0.000
z 0.000 0.000 -29.758
Traceless
 xyz
x -2.316 0.794 0.000
y 0.794 2.247 0.000
z 0.000 0.000 0.068
Polar
3z2-r20.137
x2-y2-3.042
xy0.794
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.860 -0.411 0.000
y -0.411 8.277 0.000
z 0.000 0.000 7.578


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