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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-232.653291
Energy at 298.15K-232.661635
HF Energy-231.846679
Nuclear repulsion energy215.636228
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/cc-pVDZ
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 3291 3135 8.88      
2 A 3253 3098 13.46      
3 A 3228 3075 1.63      
4 A 3187 3036 3.83      
5 A 3163 3013 17.68      
6 A 3133 2984 18.19      
7 A 3094 2947 14.59      
8 A 3074 2928 33.41      
9 A 1713 1632 8.28      
10 A 1631 1554 0.25      
11 A 1486 1415 3.15      
12 A 1459 1390 2.29      
13 A 1454 1384 1.20      
14 A 1372 1307 0.92      
15 A 1334 1271 1.72      
16 A 1285 1224 0.52      
17 A 1266 1206 0.18      
18 A 1232 1173 1.23      
19 A 1162 1107 1.36      
20 A 1107 1054 1.11      
21 A 1030 981 5.56      
22 A 1022 973 1.75      
23 A 971 925 2.34      
24 A 950 905 1.36      
25 A 935 891 4.69      
26 A 882 840 0.38      
27 A 871 830 32.65      
28 A 835 795 5.76      
29 A 803 765 11.77      
30 A 748 713 2.42      
31 A 675 643 10.71      
32 A 631 601 1.72      
33 A 491 468 10.83      
34 A 351 335 0.58      
35 A 288 274 1.06      
36 A 94 89 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 26749.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 25479.0 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/cc-pVDZ
ABC
0.24048 0.11451 0.08056

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.103 -1.187 0.141
H2 -0.177 -2.005 -0.542
H3 0.053 -1.582 1.171
C4 1.519 -0.617 -0.133
H5 1.864 -0.860 -1.157
H6 2.280 -1.015 0.560
C7 -2.181 -0.019 -0.092
H8 -2.762 0.908 -0.148
H9 -2.727 -0.966 -0.137
C10 -0.834 0.012 0.027
C11 1.328 0.879 0.006
H12 2.157 1.595 -0.002
C13 0.014 1.213 0.073
H14 -0.382 2.233 0.125

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.10181.10471.55082.21152.22362.57583.56022.85211.52532.40543.46062.40263.4535
H21.10181.77972.22892.41892.86882.85753.91412.78362.19623.29864.32373.28174.2944
H31.10471.77972.18663.03602.37733.00533.98273.13382.15303.00643.98653.00373.9795
C41.55082.22892.18661.10681.10373.74824.54404.26032.44041.51462.30582.37863.4350
H52.21152.41893.03601.10681.77354.26625.05334.70393.07202.15942.72873.03834.0307
H62.22362.86882.37731.10371.77354.61685.44165.05533.32112.19062.67223.21504.2211
C72.57582.85753.00533.74824.26624.61681.09461.09451.35313.62324.62882.52202.8899
H83.56023.91413.98274.54405.05335.44161.09461.87402.13324.09264.96812.80072.7374
H92.85212.78363.13384.26034.70395.05531.09451.87402.13754.45735.51603.50773.9749
C101.52532.19622.15302.44043.07203.32111.35312.13322.13752.32903.38341.47062.2682
C112.40543.29863.00641.51462.15942.19063.62324.09264.45732.32901.09511.35772.1839
H123.46064.32373.98652.30582.72872.67224.62884.96815.51603.38341.09512.17792.6203
C132.40263.28173.00372.37863.03833.21502.52202.80073.50771.47061.35772.17791.0946
H143.45354.29443.97953.43504.03074.22112.88992.73743.97492.26822.18392.62031.0946

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 111.549 C1 C4 H6 112.699
C1 C4 C11 103.383 C1 C10 C7 126.885
C1 C10 C13 106.619 H2 C1 H3 107.529
H2 C1 C4 113.253 H2 C1 C10 112.435
H3 C1 C4 109.717 H3 C1 C10 108.845
C4 C1 C10 104.994 C4 C11 H12 123.344
C4 C11 C13 111.697 H5 C4 H6 106.702
H5 C4 C11 109.951 H6 C4 C11 112.631
C7 C10 C13 126.496 H8 C7 H9 117.753
H8 C7 C10 120.911 H9 C7 C10 121.336
C10 C13 C11 110.796 C10 C13 H14 123.646
C11 C13 H14 125.538 H12 C11 C13 124.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability