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

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-193.975317
Energy at 298.15K-193.981410
Nuclear repulsion energy158.905906
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 BLYP/6-311G**
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 3118 3106 5.20      
2 A 3111 3099 64.50      
3 A 3096 3084 4.33      
4 A 3010 2998 42.01      
5 A 1539 1533 5.25      
6 A 1433 1428 1.80      
7 A 1236 1231 0.72      
8 A 1158 1153 1.23      
9 A 1074 1070 1.99      
10 A 999 995 1.57      
11 A 929 926 3.48      
12 A 813 810 3.44      
13 A 775 772 0.03      
14 A 709 706 63.75      
15 A 408 406 6.27      
16 A 3104 3091 25.17      
17 A 3082 3070 10.84      
18 A 1263 1258 22.19      
19 A 1181 1176 0.03      
20 A 1048 1043 4.99      
21 A 1005 1001 1.57      
22 A 1001 997 5.27      
23 A 908 905 4.69      
24 A 842 838 7.12      
25 A 806 802 0.71      
26 A 753 750 29.17      
27 A 437 436 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 19417.6 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 19341.9 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 BLYP/6-311G**
ABC
0.35829 0.21318 0.17101

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.269 1.066 0.676
C2 -0.269 1.066 -0.676
C3 -0.269 -0.463 0.769
C4 -0.269 -0.463 -0.769
C5 0.932 -1.024 0.000
H6 -0.127 1.840 1.431
H7 -0.127 1.840 -1.431
H8 -0.889 -1.088 1.409
H9 -0.889 -1.088 -1.409
H10 1.876 -0.474 0.000
H11 1.031 -2.114 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.35201.53212.10372.50391.09052.24892.35843.06152.72563.5018
C21.35202.10371.53212.50392.24891.09053.06152.35842.72563.5018
C31.53212.10371.53711.53272.40093.18791.08852.34892.27862.2379
C42.10371.53211.53711.53273.18792.40092.34891.08852.27862.2379
C52.50392.50391.53271.53273.37243.37242.30362.30361.09221.0945
H61.09052.24892.40093.18793.37242.86143.02594.14983.37814.3618
H72.24891.09053.18792.40093.37242.86144.14983.02593.37814.3618
H82.35843.06151.08852.34892.30363.02594.14982.81853.16322.5935
H93.06152.35842.34891.08852.30364.14983.02592.81853.16322.5935
H102.72562.72562.27862.27861.09223.37813.37813.16323.16321.8448
H113.50183.50182.23792.23791.09454.36184.36182.59352.59351.8448

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 93.464 C1 C2 H7 133.795
C1 C3 C4 86.536 C1 C3 C5 109.575
C1 C3 H8 127.490 C2 C1 C3 93.464
C2 C1 H6 133.795 C2 C4 C3 86.536
C2 C4 C5 109.575 C2 C4 H9 127.490
C3 C1 H6 131.819 C3 C4 C5 59.904
C3 C4 H9 126.059 C3 C5 C4 60.192
C3 C5 H10 119.520 C3 C5 H11 115.820
C4 C2 H7 131.819 C4 C3 C5 59.904
C4 C3 H8 126.059 C4 C5 H10 119.520
C4 C5 H11 115.820 C5 C3 H8 122.089
C5 C4 H9 122.089 H10 C5 H11 115.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.082      
2 C -0.082      
3 C -0.131      
4 C -0.131      
5 C -0.173      
6 H 0.081      
7 H 0.081      
8 H 0.109      
9 H 0.109      
10 H 0.112      
11 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.127 -0.390 0.000 0.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.784 0.805 0.000
y 0.805 -28.818 0.000
z 0.000 0.000 -30.215
Traceless
 xyz
x -2.268 0.805 0.000
y 0.805 2.181 0.000
z 0.000 0.000 0.087
Polar
3z2-r20.173
x2-y2-2.966
xy0.805
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.234 -0.503 0.000
y -0.503 8.496 0.000
z 0.000 0.000 7.834


<r2> (average value of r2) Å2
<r2> 89.035
(<r2>)1/2 9.436