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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-233.418239
Energy at 298.15K-233.426531
Nuclear repulsion energy216.252883
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 B3LYP/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 3238 3109 17.24      
2 A 3223 3095 21.79      
3 A 3200 3073 4.67      
4 A 3161 3036 7.79      
5 A 3101 2978 26.57      
6 A 3067 2945 24.61      
7 A 3054 2932 18.03      
8 A 3033 2912 45.28      
9 A 1721 1653 22.09      
10 A 1664 1598 0.53      
11 A 1527 1466 2.20      
12 A 1502 1442 0.65      
13 A 1478 1419 0.62      
14 A 1387 1332 0.74      
15 A 1345 1291 1.96      
16 A 1295 1243 0.48      
17 A 1277 1226 1.73      
18 A 1255 1205 0.19      
19 A 1180 1133 0.50      
20 A 1134 1089 1.49      
21 A 1042 1000 3.53      
22 A 1018 977 2.83      
23 A 981 942 1.98      
24 A 967 929 1.73      
25 A 920 883 6.40      
26 A 882 847 37.35      
27 A 855 821 2.44      
28 A 854 820 9.80      
29 A 797 766 8.30      
30 A 778 747 0.77      
31 A 680 653 8.57      
32 A 629 604 0.35      
33 A 518 497 11.53      
34 A 358 344 0.77      
35 A 295 284 0.47      
36 A 58 56 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26734.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 25673.1 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 B3LYP/6-31G*
ABC
0.24345 0.11487 0.08036

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.102 -1.196 0.002
H2 -0.075 -1.831 -0.873
H3 -0.070 -1.823 0.884
C4 1.541 -0.602 -0.002
H5 2.118 -0.918 -0.882
H6 2.125 -0.921 0.872
C7 -2.178 -0.020 -0.002
H8 -2.764 0.896 -0.002
H9 -2.733 -0.954 -0.003
C10 -0.838 0.010 0.001
C11 1.312 0.891 0.000
H12 2.128 1.608 -0.000
C13 0.006 1.206 0.001
H14 -0.401 2.213 0.002

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.09551.09571.55652.21872.21882.56593.54872.84541.52912.41243.45942.40383.4458
H21.09551.75762.20852.37472.95142.90933.92762.93142.17553.17674.17583.16074.1498
H31.09571.75762.20762.95442.37352.91213.92882.93812.17473.17144.16973.15574.1441
C41.55652.20852.20761.09881.09883.76384.55784.28802.45581.51002.28642.37073.4189
H52.21872.37472.95441.09881.75434.47605.28174.92983.22102.16802.67573.12214.1140
H62.21882.95142.37351.09881.75434.48205.28834.93603.22522.16842.67463.12514.1171
C72.56592.90932.91213.76384.47604.48201.08691.08681.34043.60644.60302.50432.8531
H83.54873.92763.92884.55785.28175.28831.08691.84982.12044.07604.94362.78782.7056
H92.84542.93142.93814.28804.92984.93601.08681.84982.12604.44555.49453.48803.9326
C101.52912.17552.17472.45583.22103.22521.34042.12042.12602.32323.36891.46382.2458
C112.41243.17673.17141.51002.16802.16843.60644.07604.44552.32321.08631.34282.1632
H123.45944.17584.16972.28642.67572.67464.60304.94365.49453.36891.08632.15932.5997
C132.40383.16073.15572.37073.12213.12512.50432.78783.48801.46381.34282.15931.0862
H143.44584.14984.14413.41894.11404.11712.85312.70563.93262.24582.16322.59971.0862

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 112.198 C1 C4 H6 112.212
C1 C4 C11 103.743 C1 C10 C7 126.687
C1 C10 C13 106.849 H2 C1 H3 106.661
H2 C1 C4 111.583 H2 C1 C10 110.891
H3 C1 C4 111.500 H3 C1 C10 110.816
C4 C1 C10 105.472 C4 C11 H12 122.594
C4 C11 C13 112.269 H5 C4 H6 105.931
H5 C4 C11 111.434 H6 C4 C11 111.474
C7 C10 C13 126.464 H8 C7 H9 116.643
H8 C7 C10 121.400 H9 C7 C10 121.957
C10 C13 C11 111.666 C10 C13 H14 122.773
C11 C13 H14 125.560 H12 C11 C13 125.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.347 -0.023   -0.111
2 H 0.158 0.013   0.056
3 H 0.158 0.013   0.056
4 C -0.312 0.118   -0.073
5 H 0.150 -0.011   0.050
6 H 0.150 -0.011   0.049
7 C -0.432 -0.550   -0.645
8 H 0.133 0.174   0.209
9 H 0.132 0.168   0.194
10 C 0.197 0.262   0.339
11 C -0.133 -0.128   -0.039
12 H 0.131 0.095   0.088
13 C -0.109 -0.255   -0.333
14 H 0.127 0.136   0.161


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.759 -0.187 0.000 0.781
CHELPG 0.696 -0.136 0.001 0.709
AIM        
ESP 0.758 -0.183 0.001 0.780


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.336 -0.036 0.001
y -0.036 -34.214 0.001
z 0.001 0.001 -38.485
Traceless
 xyz
x 1.014 -0.036 0.001
y -0.036 2.696 0.001
z 0.001 0.001 -3.710
Polar
3z2-r2-7.420
x2-y2-1.122
xy-0.036
xz0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.841 -0.004 0.001
y -0.004 8.670 0.004
z 0.001 0.004 4.898


<r2> (average value of r2) Å2
<r2> 153.485
(<r2>)1/2 12.389