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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-192.854783
Energy at 298.15K-192.861001
Nuclear repulsion energy159.708178
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 3205 3140 3.63      
2 A 3191 3126 27.15      
3 A 3170 3105 4.44      
4 A 3070 3008 20.52      
5 A 1581 1549 3.34      
6 A 1443 1414 5.94      
7 A 1281 1255 4.18      
8 A 1189 1165 3.22      
9 A 1098 1076 3.12      
10 A 1027 1006 1.92      
11 A 958 938 6.86      
12 A 877 859 4.68      
13 A 808 792 0.27      
14 A 732 718 77.56      
15 A 426 417 6.99      
16 A 3184 3119 7.82      
17 A 3160 3095 4.24      
18 A 1286 1260 27.26      
19 A 1205 1180 0.16      
20 A 1090 1068 5.66      
21 A 1029 1008 6.96      
22 A 1021 1001 6.81      
23 A 941 922 2.40      
24 A 886 868 8.27      
25 A 827 810 1.39      
26 A 785 769 32.20      
27 A 454 444 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 19961.2 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 19555.9 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
0.35912 0.21709 0.17347

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 -0.269 1.053 0.677
C2 -0.269 1.053 -0.677
C3 -0.269 -0.462 0.765
C4 -0.269 -0.462 -0.765
C5 0.928 -1.007 0.000
H6 -0.137 1.827 1.436
H7 -0.137 1.827 -1.436
H8 -0.881 -1.088 1.415
H9 -0.881 -1.088 -1.415
H10 1.862 -0.434 0.000
H11 1.056 -2.097 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.35411.51852.09212.47691.09222.25462.34613.05552.68493.4840
C21.35412.09211.51852.47692.25461.09223.05552.34612.68493.4840
C31.51852.09211.52951.52072.38993.17901.09022.34882.26372.2384
C42.09211.51851.52951.52073.17902.38992.34881.09022.26372.2384
C52.47692.47691.52071.52073.35123.35122.29772.29771.09591.0977
H61.09222.25462.38993.17903.35122.87303.00864.14513.34234.3460
H72.25461.09223.17902.38993.35122.87304.14513.00863.34234.3460
H82.34613.05551.09022.34882.29773.00864.14512.82983.15472.6021
H93.05552.34612.34881.09022.29774.14513.00862.82983.15472.6021
H102.68492.68492.26372.26371.09593.34233.34233.15473.15471.8484
H113.48403.48402.23842.23841.09774.34604.34602.60212.60211.8484

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 93.310 C1 C2 H7 134.051
C1 C3 C4 86.690 C1 C3 C5 109.171
C1 C3 H8 127.376 C2 C1 C3 93.310
C2 C1 H6 134.051 C2 C4 C3 86.690
C2 C4 C5 109.171 C2 C4 H9 127.376
C3 C1 H6 131.854 C3 C4 C5 59.809
C3 C4 H9 126.610 C3 C5 C4 60.382
C3 C5 H10 118.898 C3 C5 H11 116.567
C4 C2 H7 131.854 C4 C3 C5 59.809
C4 C3 H8 126.610 C4 C5 H10 118.898
C4 C5 H11 116.567 C5 C3 H8 122.436
C5 C4 H9 122.436 H10 C5 H11 114.847
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 -0.106      
2 C -0.106      
3 C -0.224      
4 C -0.224      
5 C -0.325      
6 H 0.151      
7 H 0.151      
8 H 0.168      
9 H 0.168      
10 H 0.177      
11 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.152 -0.444 0.000 0.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.076 0.826 0.000
y 0.826 -27.814 0.000
z 0.000 0.000 -29.519
Traceless
 xyz
x -2.410 0.826 0.000
y 0.826 2.484 0.000
z 0.000 0.000 -0.074
Polar
3z2-r2-0.148
x2-y2-3.262
xy0.826
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.251 -0.437 0.000
y -0.437 7.624 0.000
z 0.000 0.000 7.100


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