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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-232.746846
Energy at 298.15K-232.755228
HF Energy-231.901304
Nuclear repulsion energy217.490099
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/TZVP
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 3287 3116 9.19      
2 A 3255 3085 13.91      
3 A 3231 3063 1.77      
4 A 3191 3025 5.08      
5 A 3162 2997 19.58      
6 A 3136 2973 20.27      
7 A 3092 2931 15.36      
8 A 3075 2915 33.27      
9 A 1708 1619 12.90      
10 A 1625 1540 0.55      
11 A 1516 1437 3.14      
12 A 1491 1413 2.72      
13 A 1475 1398 0.75      
14 A 1382 1310 1.09      
15 A 1351 1280 1.95      
16 A 1313 1244 0.37      
17 A 1286 1219 0.19      
18 A 1234 1169 1.92      
19 A 1181 1120 2.82      
20 A 1128 1069 0.90      
21 A 1048 993 5.22      
22 A 1020 967 1.76      
23 A 970 920 2.42      
24 A 939 890 0.37      
25 A 935 886 5.64      
26 A 894 847 1.16      
27 A 841 797 0.78      
28 A 795 754 7.24      
29 A 747 708 4.92      
30 A 729 691 52.42      
31 A 660 625 22.28      
32 A 639 605 1.01      
33 A 491 466 8.50      
34 A 360 341 0.58      
35 A 289 274 1.50      
36 A 129 122 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 26800.2 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 25403.9 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/TZVP
ABC
0.24241 0.11676 0.08240

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.245 -1.142 -0.361
H2 -0.037 -2.180 -0.091
H3 -0.498 -1.091 -1.427
C4 -1.441 -0.504 0.364
H5 -1.243 -0.636 1.430
H6 -2.421 -0.899 0.102
C7 2.090 -0.070 0.227
H8 2.529 0.861 0.378
H9 2.674 -0.918 0.347
C10 0.778 -0.090 -0.095
C11 -1.215 0.907 0.012
H12 -1.943 1.641 -0.025
C13 0.098 1.101 -0.200
H14 0.545 2.013 -0.394

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.09201.09631.53702.11222.23832.63653.50083.01221.49162.29763.27722.27483.2526
H21.09201.78382.23262.48022.71323.01334.00653.02242.24323.30524.26973.28514.2435
H31.09631.78382.10652.98702.46423.23724.02883.63862.09832.56413.39292.58113.4333
C41.53702.23262.10651.09251.08893.56044.19794.13562.30301.47142.23672.29353.2939
H52.11222.48022.98701.09251.79433.58904.19264.07412.59022.09542.79092.73363.6794
H62.23832.71322.46421.08891.79434.58905.26115.10123.30572.17362.58733.23044.1858
C72.63653.01333.23723.56043.58904.58901.04001.03661.35193.45324.38832.35032.6668
H83.50084.00654.02884.19794.19265.26111.04001.78532.04823.76194.55732.51062.4206
H93.01223.02243.63864.13564.07415.10121.03661.78532.11604.30885.29173.31853.6976
C101.49162.24322.09832.30302.59023.30571.35192.04822.11602.23053.22511.37512.1364
C112.29763.30522.56411.47142.09542.17363.45323.76194.30882.23051.03441.34372.1175
H123.27724.26973.39292.23672.79092.58734.38834.55735.29173.22511.03442.11812.5422
C132.27483.28512.58112.29352.73363.23042.35032.51063.31851.37511.34372.11811.0339
H143.25264.24353.43333.29393.67944.18582.66682.42063.69762.13642.11752.54221.0339

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 105.641 C1 C4 H6 115.892
C1 C4 C11 99.564 C1 C10 C7 135.961
C1 C10 C13 104.962 H2 C1 H3 109.210
H2 C1 C4 115.208 H2 C1 C10 119.718
H3 C1 C4 105.019 H3 C1 C10 107.373
C4 C1 C10 98.991 C4 C11 H12 125.498
C4 C11 C13 109.034 H5 C4 H6 110.682
H5 C4 C11 108.729 H6 C4 C11 115.388
C7 C10 C13 119.054 H8 C7 H9 118.571
H8 C7 C10 117.215 H9 C7 C10 124.206
C10 C13 C11 110.244 C10 C13 H14 124.348
C11 C13 H14 125.393 H12 C11 C13 125.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability