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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-233.113195
Energy at 298.15K-233.121355
Nuclear repulsion energy215.859522
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 PBEPBE/6-31G(2df,p)
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 3170 3138 10.32      
2 A 3147 3115 17.33      
3 A 3123 3091 2.47      
4 A 3086 3054 4.68      
5 A 3034 3003 15.60      
6 A 2994 2964 19.12      
7 A 2984 2953 12.11      
8 A 2959 2929 37.27      
9 A 1656 1639 21.64      
10 A 1599 1582 0.95      
11 A 1439 1424 3.97      
12 A 1416 1401 1.19      
13 A 1411 1396 1.28      
14 A 1329 1315 0.80      
15 A 1282 1269 1.70      
16 A 1230 1218 0.08      
17 A 1219 1206 1.66      
18 A 1198 1186 0.11      
19 A 1123 1112 0.78      
20 A 1085 1074 1.73      
21 A 995 985 3.41      
22 A 987 977 3.13      
23 A 941 931 2.87      
24 A 940 930 1.87      
25 A 903 893 7.92      
26 A 840 832 26.51      
27 A 840 831 0.66      
28 A 820 812 15.42      
29 A 769 761 5.58      
30 A 758 750 0.51      
31 A 655 649 7.89      
32 A 613 606 0.37      
33 A 502 497 11.46      
34 A 346 343 0.71      
35 A 287 284 0.50      
36 A 62 61 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 25869.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 25603.2 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 PBEPBE/6-31G(2df,p)
ABC
0.24345 0.11436 0.08013

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.104 -1.194 0.001
H2 -0.074 -1.831 -0.881
H3 -0.073 -1.829 0.884
C4 1.542 -0.601 -0.000
H5 2.128 -0.921 -0.882
H6 2.130 -0.921 0.879
C7 -2.183 -0.021 -0.000
H8 -2.771 0.900 -0.000
H9 -2.740 -0.961 -0.000
C10 -0.837 0.010 0.000
C11 1.316 0.890 -0.000
H12 2.139 1.610 -0.000
C13 0.003 1.205 0.000
H14 -0.410 2.216 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.10221.10221.55552.22522.22522.57023.55682.85311.52812.41163.46462.40123.4489
H21.10221.76522.21362.38322.96412.91533.93792.93892.17903.18064.18493.16224.1557
H31.10221.76522.21342.96472.38302.91583.93812.94022.17883.17954.18363.16114.1545
C41.55552.21362.21341.10571.10573.76974.56654.29672.45561.50832.29022.37243.4272
H52.22522.38322.96471.10571.76114.49155.30054.94733.23022.17172.67983.13244.1305
H62.22522.96412.38301.10571.76114.49285.30194.94863.23112.17192.67973.13304.1312
C72.57022.91532.91583.76974.49154.49281.09291.09281.34693.61634.61922.50662.8548
H83.55683.93793.93814.56655.30055.30191.09291.86182.12934.08754.96072.79102.7032
H92.85312.93892.94024.29674.94734.94861.09281.86182.13704.45905.51463.49543.9403
C101.52812.17902.17882.45563.23023.23111.34692.12932.13702.32593.37791.46032.2468
C112.41163.18063.17951.50832.17172.17193.61634.08754.45902.32591.09261.35032.1767
H123.46464.18494.18362.29022.67982.67974.61924.96075.51463.37791.09262.17342.6196
C132.40123.16223.16112.37243.13243.13302.50662.79103.49541.46031.35032.17341.0925
H143.44894.15574.15453.42724.13054.13122.85482.70323.94032.24682.17672.61961.0925

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 112.373 C1 C4 H6 112.378
C1 C4 C11 103.826 C1 C10 C7 126.644
C1 C10 C13 106.915 H2 C1 H3 106.404
H2 C1 C4 111.661 H2 C1 C10 110.837
H3 C1 C4 111.644 H3 C1 C10 110.820
C4 C1 C10 105.563 C4 C11 H12 122.603
C4 C11 C13 112.060 H5 C4 H6 105.564
H5 C4 C11 111.428 H6 C4 C11 111.440
C7 C10 C13 126.442 H8 C7 H9 116.824
H8 C7 C10 121.212 H9 C7 C10 121.964
C10 C13 C11 111.636 C10 C13 H14 122.673
C11 C13 H14 125.691 H12 C11 C13 125.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.337      
2 H 0.129      
3 H 0.129      
4 C -0.287      
5 H 0.123      
6 H 0.123      
7 C -0.461      
8 H 0.109      
9 H 0.109      
10 C 0.373      
11 C -0.076      
12 H 0.103      
13 C -0.134      
14 H 0.097      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.792 -0.216 0.000 0.821
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.333 -0.049 -0.000
y -0.049 -34.107 0.000
z -0.000 0.000 -38.203
Traceless
 xyz
x 0.822 -0.049 -0.000
y -0.049 2.661 0.000
z -0.000 0.000 -3.483
Polar
3z2-r2-6.965
x2-y2-1.226
xy-0.049
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.318 0.048 0.000
y 0.048 9.287 0.000
z 0.000 0.000 5.540


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000