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All results from a given calculation for C6H8 (3-Methylenecyclopentene)

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-233.095206
Energy at 298.15K-233.103339
Nuclear repulsion energy215.508075
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/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 3175 3130 13.98      
2 A 3154 3109 21.12      
3 A 3131 3087 3.89      
4 A 3095 3051 6.89      
5 A 3040 2996 19.47      
6 A 3002 2959 20.66      
7 A 2990 2947 15.02      
8 A 2966 2923 40.79      
9 A 1667 1643 20.51      
10 A 1612 1589 0.67      
11 A 1473 1452 3.91      
12 A 1448 1428 1.00      
13 A 1431 1410 0.86      
14 A 1345 1326 0.95      
15 A 1299 1281 2.37      
16 A 1248 1230 0.02      
17 A 1237 1220 1.86      
18 A 1212 1195 0.19      
19 A 1140 1124 0.42      
20 A 1096 1081 1.66      
21 A 1001 987 3.44      
22 A 999 984 3.31      
23 A 947 934 2.28      
24 A 936 923 2.03      
25 A 907 894 7.75      
26 A 842 830 0.65      
27 A 835 823 16.38      
28 A 824 812 33.51      
29 A 770 759 9.37      
30 A 758 747 0.57      
31 A 652 643 9.17      
32 A 613 605 0.37      
33 A 500 493 13.33      
34 A 347 342 0.60      
35 A 285 281 0.53      
36 A 60 59 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26020.6 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 25648.5 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/6-31G*
ABC
0.24275 0.11395 0.07986

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.105 -1.196 0.001
H2 -0.072 -1.833 -0.883
H3 -0.071 -1.831 0.886
C4 1.544 -0.601 -0.001
H5 2.130 -0.922 -0.884
H6 2.132 -0.922 0.882
C7 -2.188 -0.022 -0.000
H8 -2.778 0.900 -0.000
H9 -2.745 -0.964 -0.000
C10 -0.837 0.010 0.000
C11 1.319 0.891 -0.000
H12 2.141 1.614 -0.000
C13 0.002 1.207 0.000
H14 -0.410 2.221 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.10381.10381.55712.22692.22692.57593.56452.85991.53022.41423.46952.40493.4550
H21.10381.76902.21572.38382.96702.92143.94592.94612.18193.18374.19013.16654.1624
H31.10381.76902.21552.96762.38362.92193.94612.94752.18173.18264.18883.16544.1612
C41.55712.21572.21551.10731.10733.77674.57584.30502.45871.50982.29402.37653.4327
H52.22692.38382.96761.10731.76534.49845.30954.95533.23342.17412.68493.13694.1362
H62.22692.96702.38361.10731.76534.49975.31104.95663.23442.17432.68473.13764.1370
C72.57592.92142.92193.77674.49844.49971.09481.09481.35083.62304.62712.51112.8614
H83.56453.94593.94614.57585.30955.31101.09481.86432.13534.09644.97032.79722.7111
H92.85992.94612.94754.30504.95534.95661.09481.86432.14224.46725.52433.50173.9489
C101.53022.18192.18172.45873.23343.23441.35082.13532.14222.32903.38251.46222.2517
C112.41423.18373.18261.50982.17412.17433.62304.09644.46722.32901.09461.35342.1805
H123.46954.19014.18882.29402.68492.68474.62714.97035.52433.38251.09462.17682.6221
C132.40493.16653.16542.37653.13693.13762.51112.79723.50171.46221.35342.17681.0944
H143.45504.16244.16123.43274.13624.13702.86142.71113.94892.25172.18052.62211.0944

picture of 3-Methylenecyclopentene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 112.292 C1 C4 H6 112.296
C1 C4 C11 103.837 C1 C10 C7 126.676
C1 C10 C13 106.945 H2 C1 H3 106.508
H2 C1 C4 111.615 H2 C1 C10 110.824
H3 C1 C4 111.599 H3 C1 C10 110.808
C4 C1 C10 105.571 C4 C11 H12 122.690
C4 C11 C13 112.087 H5 C4 H6 105.715
H5 C4 C11 111.425 H6 C4 C11 111.438
C7 C10 C13 126.379 H8 C7 H9 116.742
H8 C7 C10 121.294 H9 C7 C10 121.964
C10 C13 C11 111.560 C10 C13 H14 122.817
C11 C13 H14 125.623 H12 C11 C13 125.223
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.380      
2 H 0.173      
3 H 0.173      
4 C -0.346      
5 H 0.165      
6 H 0.165      
7 C -0.450      
8 H 0.143      
9 H 0.142      
10 C 0.192      
11 C -0.141      
12 H 0.139      
13 C -0.107      
14 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.775 -0.235 0.000 0.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.112 -0.071 -0.000
y -0.071 -33.978 0.000
z -0.000 0.000 -38.496
Traceless
 xyz
x 1.125 -0.071 -0.000
y -0.071 2.826 0.000
z -0.000 0.000 -3.951
Polar
3z2-r2-7.903
x2-y2-1.134
xy-0.071
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.133 0.049 0.000
y 0.049 8.986 0.000
z 0.000 0.000 4.990


<r2> (average value of r2) Å2
<r2> 154.294
(<r2>)1/2 12.422