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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-192.915681
Energy at 298.15K-192.921822
Nuclear repulsion energy160.798078
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 2.57      
2 A 3152 3093 34.18      
3 A 3141 3083 1.31      
4 A 3050 2993 24.01      
5 A 1601 1571 3.88      
6 A 1434 1407 2.95      
7 A 1298 1274 2.86      
8 A 1196 1174 1.86      
9 A 1092 1071 2.06      
10 A 1018 999 2.22      
11 A 952 934 3.93      
12 A 887 870 4.26      
13 A 786 772 0.63      
14 A 715 702 61.28      
15 A 410 403 6.20      
16 A 3146 3087 11.86      
17 A 3122 3064 5.82      
18 A 1293 1269 22.88      
19 A 1182 1160 0.09      
20 A 1048 1029 7.19      
21 A 1026 1006 0.34      
22 A 1003 985 5.22      
23 A 948 930 0.55      
24 A 867 850 8.42      
25 A 809 794 13.13      
26 A 781 767 24.71      
27 A 447 439 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 19781.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19411.4 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
0.36429 0.22002 0.17641

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 -0.998 0.000
H6 -0.112 1.820 1.432
H7 -0.112 1.820 -1.432
H8 -0.888 -1.093 1.394
H9 -0.888 -1.093 -1.394
H10 1.858 -0.428 0.000
H11 1.039 -2.091 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.34591.50532.07342.45711.09602.24872.34023.03782.67203.4636
C21.34592.07341.50532.45712.24871.09603.03782.34022.67203.4636
C31.50532.07341.51051.50722.38153.16211.09392.32542.25562.2237
C42.07341.50531.51051.50723.16212.38152.32541.09392.25562.2237
C52.45712.45711.50721.50723.32543.32542.28502.28501.09771.0997
H61.09602.24872.38153.16213.32542.86453.01494.13213.31444.3214
H72.24871.09603.16212.38153.32542.86454.13213.01493.31444.3214
H82.34023.03781.09392.32542.28503.01494.13212.78773.15062.5795
H93.03782.34022.32541.09392.28504.13213.01492.78773.15062.5795
H102.67202.67202.25562.25561.09773.31443.31443.15063.15061.8541
H113.46363.46362.22372.22371.09974.32144.32142.57952.57951.8541

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 93.135 C1 C2 H7 133.852
C1 C3 C4 86.865 C1 C3 C5 109.298
C1 C3 H8 127.698 C2 C1 C3 93.135
C2 C1 H6 133.852 C2 C4 C3 86.865
C2 C4 C5 109.298 C2 C4 H9 127.698
C3 C1 H6 131.921 C3 C4 C5 59.926
C3 C4 H9 125.716 C3 C5 C4 60.148
C3 C5 H10 119.140 C3 C5 H11 116.205
C4 C2 H7 131.921 C4 C3 C5 59.926
C4 C3 H8 125.716 C4 C5 H10 119.140
C4 C5 H11 116.205 C5 C3 H8 122.118
C5 C4 H9 122.118 H10 C5 H11 115.076
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 -0.134      
2 C -0.134      
3 C -0.175      
4 C -0.175      
5 C -0.371      
6 H 0.146      
7 H 0.146      
8 H 0.171      
9 H 0.171      
10 H 0.182      
11 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.152 -0.427 0.000 0.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.781 0.866 0.000
y 0.866 -27.792 0.000
z 0.000 0.000 -29.353
Traceless
 xyz
x -2.209 0.866 0.000
y 0.866 2.276 0.000
z 0.000 0.000 -0.067
Polar
3z2-r2-0.133
x2-y2-2.990
xy0.866
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.387 -0.395 0.000
y -0.395 7.820 0.000
z 0.000 0.000 7.122


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