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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-233.360592
Energy at 298.15K-233.368899
Nuclear repulsion energy217.020627
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 mPW1PW91/6-31G*
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 3273 3104 13.35      
2 A 3257 3088 18.94      
3 A 3233 3066 3.55      
4 A 3191 3026 6.78      
5 A 3140 2978 20.28      
6 A 3099 2938 21.08      
7 A 3094 2934 14.92      
8 A 3065 2906 40.48      
9 A 1746 1656 25.75      
10 A 1687 1600 0.39      
11 A 1529 1450 3.71      
12 A 1501 1423 1.34      
13 A 1482 1405 0.83      
14 A 1396 1323 0.96      
15 A 1357 1287 2.36      
16 A 1300 1232 0.64      
17 A 1292 1225 1.79      
18 A 1262 1197 0.23      
19 A 1188 1126 0.52      
20 A 1137 1079 1.71      
21 A 1042 988 4.28      
22 A 1038 984 3.44      
23 A 988 937 2.47      
24 A 978 927 2.13      
25 A 938 889 7.55      
26 A 890 844 43.28      
27 A 870 825 0.47      
28 A 858 814 13.72      
29 A 801 760 9.28      
30 A 783 742 0.89      
31 A 684 648 10.57      
32 A 634 601 0.38      
33 A 518 492 14.17      
34 A 358 340 0.72      
35 A 294 279 0.69      
36 A 50 47 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26973.8 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 25579.3 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 mPW1PW91/6-31G*
ABC
0.24533 0.11572 0.08097

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.102 -1.190 0.000
H2 -0.075 -1.819 -0.877
H3 -0.074 -1.818 0.879
C4 1.532 -0.601 -0.000
H5 2.111 -0.917 -0.877
H6 2.112 -0.918 0.875
C7 -2.171 -0.019 -0.000
H8 -2.755 0.895 -0.000
H9 -2.724 -0.953 -0.000
C10 -0.833 0.009 0.000
C11 1.309 0.885 0.000
H12 2.125 1.600 0.000
C13 0.007 1.203 0.000
H14 -0.398 2.209 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.09401.09401.54682.20942.20942.55633.53682.83591.52092.40033.44592.39423.4352
H21.09401.75562.19882.36472.94382.89843.91412.92192.16533.16154.15883.14744.1350
H31.09401.75562.19872.94432.36462.89873.91422.92282.16523.16084.15793.14674.1342
C41.54682.19882.19871.09711.09713.74834.54064.27082.44311.50272.27892.36193.4087
H52.20942.36472.94431.09711.75204.46215.26634.91433.20932.15932.66533.11314.1034
H62.20942.94382.36461.09711.75204.46305.26724.91523.20992.15932.66513.11354.1039
C72.55632.89842.89873.74834.46214.46301.08541.08541.33753.59494.59082.49712.8476
H83.53683.91413.91424.54065.26635.26721.08541.84892.11584.06334.93042.77882.6983
H92.83592.92192.92284.27084.91434.91521.08541.84892.12154.43185.48003.47933.9256
C101.52092.16532.16522.44313.20933.20991.33752.11582.12152.31403.35881.45942.2422
C112.40033.16153.16081.50272.15932.15933.59494.06334.43182.31401.08501.33962.1595
H123.44594.15884.15792.27892.66532.66514.59084.93045.48003.35881.08502.15502.5954
C132.39423.14743.14672.36193.11313.11352.49712.77883.47931.45941.33962.15501.0847
H143.43524.13504.13423.40874.10344.10392.84762.69833.92562.24222.15952.59541.0847

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 112.246 C1 C4 H6 112.248
C1 C4 C11 103.819 C1 C10 C7 126.715
C1 C10 C13 106.885 H2 C1 H3 106.711
H2 C1 C4 111.588 H2 C1 C10 110.739
H3 C1 C4 111.578 H3 C1 C10 110.728
C4 C1 C10 105.570 C4 C11 H12 122.616
C4 C11 C13 112.266 H5 C4 H6 105.967
H5 C4 C11 111.349 H6 C4 C11 111.357
C7 C10 C13 126.400 H8 C7 H9 116.792
H8 C7 C10 121.319 H9 C7 C10 121.889
C10 C13 C11 111.459 C10 C13 H14 122.930
C11 C13 H14 125.611 H12 C11 C13 125.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.400      
2 H 0.190      
3 H 0.190      
4 C -0.374      
5 H 0.181      
6 H 0.181      
7 C -0.480      
8 H 0.163      
9 H 0.162      
10 C 0.159      
11 C -0.171      
12 H 0.168      
13 C -0.132      
14 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.774 -0.211 0.000 0.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.769 -0.047 0.000
y -0.047 -33.707 0.000
z 0.000 0.000 -38.467
Traceless
 xyz
x 1.318 -0.047 0.000
y -0.047 2.911 0.000
z 0.000 0.000 -4.229
Polar
3z2-r2-8.458
x2-y2-1.062
xy-0.047
xz0.000
yz0.000


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> 152.303
(<r2>)1/2 12.341