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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-233.309305
Energy at 298.15K-233.317561
Nuclear repulsion energy217.025788
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 B1B95/cc-pVDZ
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 3260 3134 10.95      
2 A 3235 3109 15.04      
3 A 3208 3084 2.58      
4 A 3163 3040 4.28      
5 A 3123 3002 15.57      
6 A 3078 2959 16.56      
7 A 3078 2958 15.28      
8 A 3047 2928 37.35      
9 A 1733 1666 29.00      
10 A 1677 1611 0.75      
11 A 1461 1404 6.57      
12 A 1435 1380 2.02      
13 A 1431 1375 1.49      
14 A 1367 1314 1.03      
15 A 1328 1276 1.47      
16 A 1268 1218 2.18      
17 A 1257 1209 0.08      
18 A 1228 1180 0.13      
19 A 1154 1109 0.83      
20 A 1103 1060 1.98      
21 A 1028 988 3.75      
22 A 1011 972 3.11      
23 A 978 940 2.27      
24 A 967 929 4.28      
25 A 932 896 7.61      
26 A 880 846 30.26      
27 A 867 833 0.50      
28 A 838 806 11.93      
29 A 785 754 5.52      
30 A 775 745 0.89      
31 A 674 648 8.86      
32 A 628 604 0.43      
33 A 512 492 14.40      
34 A 358 344 0.75      
35 A 291 279 0.78      
36 A 34 33 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26593.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 25562.0 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 B1B95/cc-pVDZ
ABC
0.24566 0.11580 0.08106

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.102 -1.187 0.003
H2 -0.081 -1.822 -0.875
H3 -0.076 -1.814 0.887
C4 1.528 -0.602 -0.002
H5 2.109 -0.917 -0.884
H6 2.117 -0.920 0.873
C7 -2.171 -0.019 -0.002
H8 -2.752 0.904 -0.003
H9 -2.723 -0.959 -0.003
C10 -0.832 0.009 0.001
C11 1.310 0.882 -0.000
H12 2.131 1.600 -0.000
C13 0.008 1.202 0.001
H14 -0.396 2.214 0.003

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.09861.09871.54152.21082.21112.55533.53792.83461.51712.39533.44702.39053.4373
H21.09861.76202.19962.36932.94922.89543.91532.91372.16433.16384.16723.14974.1429
H31.09871.76202.19852.95232.36802.89833.91652.92112.16313.15794.16043.14404.1363
C41.54152.19962.19851.10201.10203.74484.53764.26672.43761.49952.28282.35923.4107
H52.21082.36932.95231.10201.75754.46145.26554.91243.20762.15792.66803.11314.1070
H62.21112.94922.36801.10201.75754.46805.27274.91923.21212.15852.66713.11634.1103
C72.55532.89542.89833.74484.46144.46801.09051.09051.33963.59554.59602.49722.8528
H83.53793.91533.91654.53765.26555.27271.09051.86302.11894.06234.93232.77592.6965
H92.83462.91372.92114.26674.91244.91921.09051.86302.12534.43365.48733.48263.9356
C101.51712.16432.16312.43763.20763.21211.33962.11892.12532.31253.36231.45842.2479
C112.39533.16383.15791.49952.15792.15853.59554.06234.43362.31251.09061.34122.1646
H123.44704.16724.16042.28282.66802.66714.59604.93235.48733.36231.09062.16002.5999
C132.39053.14973.14402.35923.11313.11632.49722.77593.48261.45841.34122.16001.0898
H143.43734.14294.13633.41074.10704.11032.85282.69653.93562.24792.16462.59991.0898

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 112.439 C1 C4 H6 112.465
C1 C4 C11 103.928 C1 C10 C7 126.779
C1 C10 C13 106.897 H2 C1 H3 106.622
H2 C1 C4 111.752 H2 C1 C10 110.656
H3 C1 C4 111.649 H3 C1 C10 110.555
C4 C1 C10 105.678 C4 C11 H12 122.830
C4 C11 C13 112.183 H5 C4 H6 105.763
H5 C4 C11 111.170 H6 C4 C11 111.224
C7 C10 C13 126.324 H8 C7 H9 117.338
H8 C7 C10 121.020 H9 C7 C10 121.642
C10 C13 C11 111.313 C10 C13 H14 123.156
C11 C13 H14 125.532 H12 C11 C13 124.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 H 0.046      
3 H 0.047      
4 C -0.003      
5 H 0.040      
6 H 0.040      
7 C 0.017      
8 H 0.009      
9 H 0.007      
10 C -0.200      
11 C -0.063      
12 H -0.011      
13 C 0.068      
14 H -0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.808 -0.230 0.000 0.840
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.448 -0.052 0.001
y -0.052 -34.348 0.001
z 0.001 0.001 -38.733
Traceless
 xyz
x 1.093 -0.052 0.001
y -0.052 2.742 0.001
z 0.001 0.001 -3.835
Polar
3z2-r2-7.669
x2-y2-1.100
xy-0.052
xz0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.358 -0.010 0.003
y -0.010 9.137 0.002
z 0.003 0.002 5.343


<r2> (average value of r2) Å2
<r2> 152.574
(<r2>)1/2 12.352