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

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-232.269531
Energy at 298.15K-232.277663
HF Energy-231.757246
Nuclear repulsion energy212.479256
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 MP2/SDD
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 3243 3130 20.87      
2 A 3218 3107 27.23      
3 A 3183 3072 4.67      
4 A 3136 3027 10.96      
5 A 3109 3001 42.77      
6 A 3080 2973 11.06      
7 A 3049 2943 38.29      
8 A 3031 2926 40.02      
9 A 1668 1610 11.72      
10 A 1587 1532 0.96      
11 A 1533 1480 6.53      
12 A 1512 1459 2.22      
13 A 1484 1432 0.94      
14 A 1372 1324 1.47      
15 A 1356 1308 2.88      
16 A 1314 1268 0.73      
17 A 1268 1224 5.33      
18 A 1256 1212 0.06      
19 A 1184 1142 1.03      
20 A 1139 1099 2.36      
21 A 1066 1029 3.18      
22 A 1017 982 2.53      
23 A 955 922 2.28      
24 A 915 883 2.76      
25 A 903 872 7.49      
26 A 866 836 0.07      
27 A 840 811 0.51      
28 A 826 797 68.88      
29 A 772 745 1.22      
30 A 771 745 30.78      
31 A 655 633 21.65      
32 A 619 598 0.40      
33 A 510 492 19.83      
34 A 356 344 0.17      
35 A 283 274 1.63      
36 A 15 14 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26543.7 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 25622.6 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 MP2/SDD
ABC
0.23430 0.11082 0.07746

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -1.220 -0.000
H2 -0.079 -1.845 -0.895
H3 -0.079 -1.846 0.893
C4 1.566 -0.622 0.000
H5 2.138 -0.942 -0.891
H6 2.137 -0.941 0.893
C7 -2.220 -0.017 0.000
H8 -2.808 0.906 0.000
H9 -2.774 -0.960 0.000
C10 -0.850 0.012 -0.000
C11 1.345 0.906 -0.000
H12 2.171 1.623 -0.000
C13 0.010 1.234 -0.000
H14 -0.397 2.248 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.10531.10531.58632.24452.24442.61083.60022.88311.55422.46523.51922.45533.5034
H21.10531.78862.23672.39372.98732.95433.97742.97522.20103.22394.22933.20704.2017
H31.10531.78862.23682.98672.39382.95403.97722.97422.20113.22494.23053.20794.2027
C41.58632.23672.23681.10681.10683.83424.63354.35362.49801.54412.32502.42193.4776
H52.24452.39372.98671.10681.78494.54365.35514.99293.26102.19982.71543.17134.1714
H62.24442.98732.39381.10681.78494.54245.35364.99173.26002.19972.71563.17054.1705
C72.61082.95432.95403.83424.54364.54241.09451.09381.37033.68204.68722.55642.9071
H83.60023.97743.97724.63355.35515.35361.09451.86632.15254.15255.03042.83672.7588
H92.88312.97522.97424.35364.99294.99171.09381.86632.15584.52175.57913.54423.9924
C101.55422.20102.20112.49803.26103.26001.37032.15252.15582.36963.42361.49362.2813
C112.46523.22393.22491.54412.19982.19973.68204.15254.52172.36961.09411.37432.1991
H123.51924.22934.23052.32502.71542.71564.68725.03045.57913.42361.09412.19612.6436
C132.45533.20703.20792.42193.17133.17052.55642.83673.54421.49361.37432.19611.0933
H143.50344.20174.20273.47764.17144.17052.90712.75883.99242.28132.19912.64361.0933

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 111.671 C1 C4 H6 111.664
C1 C4 C11 103.902 C1 C10 C7 126.327
C1 C10 C13 107.318 H2 C1 H3 108.019
H2 C1 C4 111.147 H2 C1 C10 110.572
H3 C1 C4 111.156 H3 C1 C10 110.583
C4 C1 C10 105.385 C4 C11 H12 122.680
C4 C11 C13 112.038 H5 C4 H6 107.477
H5 C4 C11 111.097 H6 C4 C11 111.082
C7 C10 C13 126.356 H8 C7 H9 117.047
H8 C7 C10 121.285 H9 C7 C10 121.667
C10 C13 C11 111.358 C10 C13 H14 122.984
C11 C13 H14 125.658 H12 C11 C13 125.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability