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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-233.379352
Energy at 298.15K-233.387633
Nuclear repulsion energy216.938813
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 mPW1PW91/6-31+G**
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 3270 3112 11.90      
2 A 3251 3095 15.77      
3 A 3228 3072 2.63      
4 A 3182 3028 5.74      
5 A 3137 2986 13.62      
6 A 3093 2944 21.02      
7 A 3091 2942 11.53      
8 A 3060 2913 38.13      
9 A 1727 1643 42.05      
10 A 1670 1590 1.24      
11 A 1502 1430 6.86      
12 A 1474 1403 2.60      
13 A 1463 1393 0.77      
14 A 1382 1316 1.03      
15 A 1344 1279 2.34      
16 A 1286 1224 0.99      
17 A 1281 1219 2.39      
18 A 1249 1188 0.10      
19 A 1175 1118 1.83      
20 A 1128 1074 2.29      
21 A 1032 982 4.43      
22 A 1030 981 3.89      
23 A 981 934 2.92      
24 A 971 924 3.30      
25 A 932 887 9.60      
26 A 889 847 52.42      
27 A 866 825 0.70      
28 A 849 808 18.18      
29 A 793 755 8.98      
30 A 780 743 1.38      
31 A 674 642 14.18      
32 A 633 602 0.68      
33 A 515 491 18.60      
34 A 360 343 0.69      
35 A 293 279 1.76      
36 A 36 34 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26812.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 25520.5 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 mPW1PW91/6-31+G**
ABC
0.24520 0.11559 0.08090

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.102 -1.190 0.013
H2 -0.087 -1.837 -0.848
H3 -0.066 -1.796 0.908
C4 1.532 -0.602 -0.012
H5 2.091 -0.911 -0.904
H6 2.130 -0.925 0.848
C7 -2.173 -0.019 -0.009
H8 -2.754 0.897 -0.013
H9 -2.724 -0.953 -0.014
C10 -0.833 0.010 0.002
C11 1.311 0.884 0.001
H12 2.127 1.599 0.000
C13 0.008 1.203 0.007
H14 -0.395 2.210 0.012

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.09321.09361.54662.20842.20952.55853.53732.83571.52072.40093.44662.39523.4362
H21.09321.75642.20072.36772.93642.89133.90952.90342.16523.17454.17423.15944.1486
H31.09361.75642.19652.95282.36322.90493.91522.93692.16063.14664.14203.13254.1182
C41.54662.20072.19651.09651.09623.75074.54094.27052.44301.50312.28042.36333.4095
H52.20842.36772.95281.09651.75214.44745.24774.89703.19672.15612.66783.10484.0937
H62.20952.93642.36321.09621.75214.48025.28384.93013.22002.15932.66263.12134.1115
C72.55852.89132.90493.75074.44744.48021.08491.08491.34033.59884.59382.49982.8514
H83.53733.90953.91524.54095.24775.28381.08491.85092.11634.06484.93082.77862.7000
H92.83572.90342.93694.27054.89704.93011.08491.85092.12214.43355.48113.48053.9286
C101.52072.16522.16062.44303.19673.22001.34032.11632.12212.31533.35941.46012.2439
C112.40093.17453.14661.50312.15612.15933.59884.06484.43352.31531.08471.34172.1604
H123.44664.17424.14202.28042.66782.66264.59384.93085.48113.35941.08472.15562.5944
C132.39523.15943.13252.36333.10483.12132.49982.77863.48051.46011.34172.15561.0843
H143.43624.14864.11823.40954.09374.11152.85142.70003.92862.24392.16042.59441.0843

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 112.225 C1 C4 H6 112.329
C1 C4 C11 103.851 C1 C10 C7 126.716
C1 C10 C13 106.922 H2 C1 H3 106.868
H2 C1 C4 111.804 H2 C1 C10 110.792
H3 C1 C4 111.446 H3 C1 C10 110.407
C4 C1 C10 105.587 C4 C11 H12 122.757
C4 C11 C13 112.231 H5 C4 H6 106.082
H5 C4 C11 111.108 H6 C4 C11 111.382
C7 C10 C13 126.362 H8 C7 H9 117.084
H8 C7 C10 121.175 H9 C7 C10 121.741
C10 C13 C11 111.387 C10 C13 H14 123.062
C11 C13 H14 125.550 H12 C11 C13 125.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.717      
2 H 0.187      
3 H 0.188      
4 C -0.446      
5 H 0.177      
6 H 0.176      
7 C -0.238      
8 H 0.151      
9 H 0.151      
10 C 0.381      
11 C -0.089      
12 H 0.159      
13 C -0.236      
14 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.881 -0.308 -0.001 0.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.635 -0.126 0.000
y -0.126 -34.425 0.001
z 0.000 0.001 -39.665
Traceless
 xyz
x 1.410 -0.126 0.000
y -0.126 3.225 0.001
z 0.000 0.001 -4.635
Polar
3z2-r2-9.270
x2-y2-1.210
xy-0.126
xz0.000
yz0.001


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


<r2> (average value of r2) Å2
<r2> 152.975
(<r2>)1/2 12.368