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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-232.015216
Energy at 298.15K-232.023575
Nuclear repulsion energy216.386998
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 B1B95/3-21G
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 3261 3120 16.14      
2 A 3258 3117 7.61      
3 A 3234 3094 0.80      
4 A 3174 3037 3.95      
5 A 3149 3012 13.64      
6 A 3103 2969 9.78      
7 A 3102 2968 12.41      
8 A 3070 2937 25.82      
9 A 1727 1652 22.18      
10 A 1662 1590 0.61      
11 A 1537 1470 6.62      
12 A 1513 1448 2.81      
13 A 1499 1434 1.21      
14 A 1389 1328 1.17      
15 A 1340 1282 5.50      
16 A 1311 1254 0.10      
17 A 1284 1228 0.43      
18 A 1261 1207 4.53      
19 A 1220 1167 0.19      
20 A 1154 1104 1.98      
21 A 1039 994 4.96      
22 A 1019 975 2.20      
23 A 1002 958 5.52      
24 A 964 923 1.99      
25 A 920 880 57.72      
26 A 915 875 7.73      
27 A 855 818 12.42      
28 A 852 815 1.02      
29 A 798 764 11.91      
30 A 796 761 2.11      
31 A 685 655 16.44      
32 A 638 610 0.55      
33 A 512 490 20.10      
34 A 363 347 0.40      
35 A 289 276 1.47      
36 A 59 56 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26976.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 25808.3 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 B1B95/3-21G
ABC
0.24278 0.11522 0.08050

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -1.201 0.004
H2 -0.081 -1.822 -0.878
H3 -0.074 -1.810 0.896
C4 1.540 -0.607 -0.004
H5 2.100 -0.917 -0.893
H6 2.112 -0.921 0.876
C7 -2.173 -0.016 -0.003
H8 -2.756 0.898 -0.004
H9 -2.724 -0.950 -0.004
C10 -0.838 0.011 0.001
C11 1.312 0.891 0.000
H12 2.130 1.599 -0.000
C13 0.010 1.207 0.002
H14 -0.396 2.209 0.004

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.09271.09291.56102.21332.21352.56033.54172.83231.53162.41983.46042.41023.4463
H21.09271.77382.20622.36132.94882.89863.91332.91752.16953.17334.16613.15544.1383
H31.09291.77382.20492.95352.35972.90283.91532.92792.16823.16504.15653.14764.1294
C41.56102.20622.20491.09551.09543.75934.55144.27792.45741.51492.28272.37273.4171
H52.21332.36132.95351.09551.76884.45675.25964.90573.20882.16502.66913.11124.0996
H62.21352.94882.35971.09541.76884.46625.27004.91553.21532.16562.66743.11594.1045
C72.56032.89862.90283.75934.45674.46621.08421.08391.33473.60104.59612.50272.8483
H83.54173.91333.91534.55145.25965.27001.08421.84752.11224.06774.93602.78332.7001
H92.83232.91752.92794.27794.90574.91551.08391.84752.11664.43615.48263.48273.9245
C101.53162.16952.16822.45743.20883.21531.33472.11222.11662.32343.36631.46642.2422
C112.41983.17333.16501.51492.16502.16563.60104.06774.43612.32341.08161.33952.1574
H123.46044.16614.15652.28272.66912.66744.59614.93605.48263.36631.08162.15572.5988
C132.41023.15543.14762.37273.11123.11592.50272.78333.48271.46641.33952.15571.0814
H143.44634.13834.12943.41714.09964.10452.84832.70013.92452.24222.15742.59881.0814

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 111.652 C1 C4 H6 111.671
C1 C4 C11 103.747 C1 C10 C7 126.436
C1 C10 C13 106.999 H2 C1 H3 108.509
H2 C1 C4 111.255 H2 C1 C10 110.404
H3 C1 C4 111.144 H3 C1 C10 110.288
C4 C1 C10 105.232 C4 C11 H12 122.190
C4 C11 C13 112.306 H5 C4 H6 107.666
H5 C4 C11 111.044 H6 C4 C11 111.101
C7 C10 C13 126.565 H8 C7 H9 116.892
H8 C7 C10 121.326 H9 C7 C10 121.781
C10 C13 C11 111.715 C10 C13 H14 122.582
C11 C13 H14 125.703 H12 C11 C13 125.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.456      
2 H 0.235      
3 H 0.235      
4 C -0.457      
5 H 0.226      
6 H 0.226      
7 C -0.438      
8 H 0.196      
9 H 0.195      
10 C -0.006      
11 C -0.195      
12 H 0.207      
13 C -0.172      
14 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.694 -0.238 -0.000 0.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.423 -0.052 0.002
y -0.052 -33.699 0.002
z 0.002 0.002 -39.412
Traceless
 xyz
x 2.133 -0.052 0.002
y -0.052 3.219 0.002
z 0.002 0.002 -5.352
Polar
3z2-r2-10.703
x2-y2-0.724
xy-0.052
xz0.002
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.103 -0.049 0.005
y -0.049 8.094 0.003
z 0.005 0.003 4.285


<r2> (average value of r2) Å2
<r2> 153.080
(<r2>)1/2 12.373