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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-193.779291
Energy at 298.15K-193.785387
Nuclear repulsion energy159.082766
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3143 3125 4.52      
2 A 3135 3117 46.95      
3 A 3123 3105 0.81      
4 A 3024 3006 31.96      
5 A 1564 1554 4.70      
6 A 1397 1389 1.85      
7 A 1257 1250 1.13      
8 A 1166 1160 1.17      
9 A 1069 1063 1.64      
10 A 996 990 1.90      
11 A 931 926 3.95      
12 A 848 843 2.62      
13 A 771 766 0.29      
14 A 708 704 55.82      
15 A 404 402 4.99      
16 A 3127 3109 17.67      
17 A 3105 3087 7.06      
18 A 1263 1256 20.39      
19 A 1159 1152 0.10      
20 A 1032 1026 4.50      
21 A 998 992 0.04      
22 A 987 981 4.10      
23 A 923 918 1.08      
24 A 852 847 7.64      
25 A 797 792 5.57      
26 A 766 761 26.71      
27 A 438 435 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 19489.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19376.8 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 PBEPBE/cc-pVDZ
ABC
0.35718 0.21493 0.17222

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.270 1.059 0.679
C2 -0.270 1.059 -0.679
C3 -0.270 -0.463 0.766
C4 -0.270 -0.463 -0.766
C5 0.931 -1.013 0.000
H6 -0.124 1.839 1.441
H7 -0.124 1.839 -1.441
H8 -0.892 -1.099 1.410
H9 -0.892 -1.099 -1.410
H10 1.876 -0.445 0.000
H11 1.040 -2.112 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.35771.52432.09822.48861.10092.26402.36183.06712.70633.4968
C21.35772.09821.52432.48862.26401.10093.06712.36182.70633.4968
C31.52432.09821.53121.52632.40383.19251.09862.35052.27802.2404
C42.09821.52431.53121.52633.19252.40382.35051.09862.27802.2404
C52.48862.48861.52631.52633.36503.36502.30592.30591.10251.1044
H61.10092.26402.40383.19253.36502.88273.03734.16593.36034.3636
H72.26401.10093.19252.40383.36502.88274.16593.03733.36034.3636
H82.36183.06711.09862.35052.30593.03734.16592.82023.17412.5971
H93.06712.36182.35051.09862.30594.16593.03732.82023.17412.5971
H102.70632.70632.27802.27801.10253.36033.36033.17413.17411.8647
H113.49683.49682.24042.24041.10444.36364.36362.59712.59711.8647

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 93.262 C1 C2 H7 133.839
C1 C3 C4 86.738 C1 C3 C5 109.332
C1 C3 H8 127.696 C2 C1 C3 93.262
C2 C1 H6 133.839 C2 C4 C3 86.738
C2 C4 C5 109.332 C2 C4 H9 127.696
C3 C1 H6 131.944 C3 C4 C5 59.893
C3 C4 H9 125.920 C3 C5 C4 60.213
C3 C5 H10 119.247 C3 C5 H11 115.858
C4 C2 H7 131.944 C4 C3 C5 59.893
C4 C3 H8 125.920 C4 C5 H10 119.247
C4 C5 H11 115.858 C5 C3 H8 122.077
C5 C4 H9 122.077 H10 C5 H11 115.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 C 0.020      
3 C -0.047      
4 C -0.047      
5 C 0.043      
6 H -0.021      
7 H -0.021      
8 H -0.003      
9 H -0.003      
10 H 0.028      
11 H 0.031      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.130 -0.419 0.000 0.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.379 0.739 0.000
y 0.739 -28.481 0.000
z 0.000 0.000 -29.809
Traceless
 xyz
x -2.235 0.739 0.000
y 0.739 2.113 0.000
z 0.000 0.000 0.121
Polar
3z2-r20.243
x2-y2-2.899
xy0.739
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.900 -0.450 0.000
y -0.450 8.357 0.000
z 0.000 0.000 7.657


<r2> (average value of r2) Å2
<r2> 88.545
(<r2>)1/2 9.410