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

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-232.743995
Energy at 298.15K 
HF Energy-231.849546
Nuclear repulsion energy216.657394
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 MP3=FULL/6-31+G**
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 3329 3102 14.41      
2 A 3310 3083 16.96      
3 A 3286 3061 2.99      
4 A 3240 3019 6.85      
5 A 3197 2978 21.51      
6 A 3164 2947 10.37      
7 A 3151 2935 25.63      
8 A 3128 2914 35.30      
9 A 1766 1645 17.57      
10 A 1697 1581 1.56      
11 A 1559 1452 2.91      
12 A 1530 1426 1.37      
13 A 1505 1402 0.70      
14 A 1416 1320 0.80      
15 A 1382 1288 1.84      
16 A 1326 1235 1.24      
17 A 1312 1223 0.86      
18 A 1270 1183 0.04      
19 A 1192 1110 2.68      
20 A 1156 1077 1.27      
21 A 1056 983 2.31      
22 A 1048 976 2.43      
23 A 985 918 2.16      
24 A 956 891 0.56      
25 A 942 878 6.06      
26 A 874 814 0.22      
27 A 866 806 3.75      
28 A 855 796 56.31      
29 A 791 737 1.08      
30 A 786 732 19.59      
31 A 676 630 16.04      
32 A 639 595 0.26      
33 A 488 455 12.97      
34 A 359 335 0.54      
35 A 265 247 1.88      
36 A 72i 67i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 27213.5 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 25352.1 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 MP3=FULL/6-31+G**
ABC
0.24338 0.11545 0.08062

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.100 -1.195 0.001
H2 -0.076 -1.817 -0.875
H3 -0.075 -1.815 0.878
C4 1.536 -0.608 -0.001
H5 2.105 -0.922 -0.877
H6 2.107 -0.923 0.874
C7 -2.178 -0.017 -0.001
H8 -2.760 0.893 -0.001
H9 -2.729 -0.947 -0.001
C10 -0.838 0.010 0.000
C11 1.315 0.887 0.000
H12 2.133 1.593 -0.000
C13 0.012 1.211 0.000
H14 -0.390 2.213 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.08891.08891.55142.20552.20552.56413.54072.83951.52632.41113.45082.40763.4433
H21.08891.75372.19682.35742.93662.90233.91332.92582.16433.16504.15673.15384.1368
H31.08891.75372.19662.93752.35712.90313.91372.92772.16413.16364.15513.15244.1352
C41.55142.19682.19661.09071.09073.76034.55014.27812.45241.51112.28072.37253.4157
H52.20552.35742.93751.09071.75034.46395.26534.91243.20842.15982.66403.11404.1016
H62.20552.93662.35711.09071.75034.46565.26724.91413.20962.15992.66363.11484.1024
C72.56412.90232.90313.76034.46394.46561.08051.08051.34053.60864.60172.51132.8589
H83.54073.91333.91374.55015.26535.26721.08051.84032.11544.07514.94222.79022.7127
H92.83952.92582.92774.27814.91244.91411.08051.84032.11934.44085.48533.48873.9317
C101.52632.16432.16412.45243.20843.20961.34052.11542.11932.32513.36621.47182.2488
C112.41113.16503.16361.51112.15982.15993.60864.07514.44082.32511.08011.34272.1603
H123.45084.15674.15512.28072.66402.66364.60174.94225.48533.36621.08012.15452.5976
C132.40763.15383.15242.37253.11403.11482.51132.79023.48871.47181.34272.15451.0800
H143.44334.13684.13523.41574.10164.10242.85892.71273.93172.24882.16032.59761.0800

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 111.993 C1 C4 H6 111.994
C1 C4 C11 103.857 C1 C10 C7 126.741
C1 C10 C13 106.830 H2 C1 H3 107.272
H2 C1 C4 111.409 H2 C1 C10 110.590
H3 C1 C4 111.393 H3 C1 C10 110.576
C4 C1 C10 105.651 C4 C11 H12 122.448
C4 C11 C13 112.339 H5 C4 H6 106.708
H5 C4 C11 111.191 H6 C4 C11 111.199
C7 C10 C13 126.430 H8 C7 H9 116.764
H8 C7 C10 121.425 H9 C7 C10 121.811
C10 C13 C11 111.324 C10 C13 H14 122.853
C11 C13 H14 125.823 H12 C11 C13 125.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability