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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-233.130237
Energy at 298.15K-233.138526
HF Energy-233.130237
Nuclear repulsion energy216.973661
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 PBE1PBE/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 3270 3107 12.42      
2 A 3252 3091 17.51      
3 A 3228 3068 2.90      
4 A 3187 3028 5.80      
5 A 3137 2981 18.62      
6 A 3094 2941 19.46      
7 A 3091 2937 13.89      
8 A 3061 2909 38.39      
9 A 1746 1659 26.04      
10 A 1686 1603 0.37      
11 A 1523 1447 4.02      
12 A 1494 1420 1.43      
13 A 1476 1403 0.94      
14 A 1392 1323 1.03      
15 A 1354 1287 2.37      
16 A 1295 1231 0.98      
17 A 1289 1225 1.39      
18 A 1258 1196 0.23      
19 A 1184 1125 0.53      
20 A 1133 1077 1.73      
21 A 1038 987 3.83      
22 A 1038 987 3.95      
23 A 984 935 2.47      
24 A 977 928 2.36      
25 A 938 892 7.57      
26 A 887 843 42.96      
27 A 871 827 0.50      
28 A 856 813 14.05      
29 A 799 759 9.06      
30 A 782 743 0.87      
31 A 682 648 10.61      
32 A 633 602 0.39      
33 A 517 491 14.23      
34 A 357 339 0.72      
35 A 293 278 0.69      
36 A 47 44 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26923.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 25585.6 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 PBE1PBE/6-31G*
ABC
0.24530 0.11569 0.08096

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.102 -1.189 0.001
H2 -0.076 -1.820 -0.877
H3 -0.074 -1.817 0.881
C4 1.532 -0.601 -0.001
H5 2.111 -0.918 -0.879
H6 2.114 -0.919 0.875
C7 -2.171 -0.020 -0.001
H8 -2.755 0.897 -0.001
H9 -2.725 -0.955 -0.001
C10 -0.833 0.009 0.000
C11 1.309 0.885 0.000
H12 2.127 1.600 0.000
C13 0.007 1.203 0.000
H14 -0.399 2.210 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.09531.09531.54632.21012.21012.55653.53792.83671.52042.39983.44672.39393.4362
H21.09531.75742.19962.36582.94532.89853.91542.92152.16573.16284.16133.14874.1375
H31.09531.75742.19932.94652.36552.89943.91582.92382.16543.16084.15913.14684.1353
C41.54632.19962.19931.09841.09843.74844.54144.27152.44271.50242.27972.36193.4101
H52.21012.36582.94651.09841.75384.46265.26744.91523.20952.15972.66643.11394.1055
H62.21012.94532.36551.09841.75384.46495.26994.91753.21122.16002.66603.11514.1067
C72.55652.89852.89943.74844.46264.46491.08671.08671.33823.59564.59292.49742.8483
H83.53793.91543.91584.54145.26745.26991.08671.85152.11714.06434.93262.77912.6980
H92.83672.92152.92384.27154.91524.91751.08671.85152.12314.43345.48313.48083.9277
C101.52042.16572.16542.44273.20953.21121.33822.11712.12312.31423.36031.45932.2433
C112.39983.16283.16081.50242.15972.16003.59564.06434.43342.31421.08641.34032.1615
H123.44674.16134.15912.27972.66642.66604.59294.93265.48313.36031.08642.15692.5982
C132.39393.14873.14682.36193.11393.11512.49742.77913.48081.45931.34032.15691.0860
H143.43624.13754.13533.41014.10554.10672.84832.69803.92772.24332.16152.59821.0860

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 112.261 C1 C4 H6 112.268
C1 C4 C11 103.833 C1 C10 C7 126.725
C1 C10 C13 106.891 H2 C1 H3 106.691
H2 C1 C4 111.611 H2 C1 C10 110.731
H3 C1 C4 111.586 H3 C1 C10 110.704
C4 C1 C10 105.593 C4 C11 H12 122.620
C4 C11 C13 112.252 H5 C4 H6 105.939
H5 C4 C11 111.334 H6 C4 C11 111.354
C7 C10 C13 126.384 H8 C7 H9 116.835
H8 C7 C10 121.289 H9 C7 C10 121.876
C10 C13 C11 111.431 C10 C13 H14 122.932
C11 C13 H14 125.637 H12 C11 C13 125.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 H 0.191      
3 H 0.191      
4 C -0.377      
5 H 0.182      
6 H 0.182      
7 C -0.479      
8 H 0.163      
9 H 0.162      
10 C 0.154      
11 C -0.172      
12 H 0.168      
13 C -0.131      
14 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.777 -0.212 0.000 0.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.849 -0.047 0.000
y -0.047 -33.782 0.000
z 0.000 0.000 -38.553
Traceless
 xyz
x 1.319 -0.047 0.000
y -0.047 2.919 0.000
z 0.000 0.000 -4.238
Polar
3z2-r2-8.476
x2-y2-1.067
xy-0.047
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.747 -0.019 0.001
y -0.019 8.589 0.001
z 0.001 0.001 4.899


<r2> (average value of r2) Å2
<r2> 152.399
(<r2>)1/2 12.345