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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-233.279661
Energy at 298.15K-233.288099
Nuclear repulsion energy216.079360
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 B3PW91/6-31G
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 3264 3126 19.24      
2 A 3256 3118 21.06      
3 A 3227 3091 3.30      
4 A 3177 3042 6.58      
5 A 3123 2991 24.70      
6 A 3078 2947 22.54      
7 A 3076 2946 15.46      
8 A 3045 2916 41.38      
9 A 1731 1658 25.62      
10 A 1669 1598 0.25      
11 A 1536 1471 6.19      
12 A 1515 1451 2.23      
13 A 1493 1430 1.23      
14 A 1398 1339 1.08      
15 A 1355 1298 3.66      
16 A 1319 1264 0.08      
17 A 1282 1228 3.54      
18 A 1266 1212 0.34      
19 A 1197 1146 0.28      
20 A 1154 1105 1.93      
21 A 1061 1016 5.56      
22 A 1040 996 3.14      
23 A 1004 962 5.00      
24 A 981 939 2.09      
25 A 933 894 8.30      
26 A 925 886 58.76      
27 A 869 832 0.72      
28 A 867 830 9.42      
29 A 809 775 15.07      
30 A 798 764 0.75      
31 A 686 657 13.27      
32 A 643 616 0.45      
33 A 528 505 17.58      
34 A 367 352 0.50      
35 A 302 289 0.90      
36 A 75 72 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 27022.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 25879.6 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 B3PW91/6-31G
ABC
0.24313 0.11463 0.08021

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.100 -1.196 -0.000
H2 0.076 -1.825 0.880
H3 0.075 -1.824 -0.881
C4 -1.539 -0.605 0.000
H5 -2.116 -0.924 0.880
H6 -2.118 -0.925 -0.878
C7 2.181 -0.019 0.000
H8 2.769 0.894 0.000
H9 2.735 -0.953 0.000
C10 0.837 0.012 0.000
C11 -1.317 0.889 -0.000
H12 -2.137 1.600 -0.001
C13 -0.008 1.209 -0.000
H14 0.397 2.215 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.09601.09601.55582.21622.21642.56703.55012.84531.52912.41443.45902.40663.4467
H21.09601.76112.20712.36972.95112.90983.92702.93312.17443.17534.17143.16004.1468
H31.09601.76112.20702.95172.36992.91023.92722.93402.17433.17444.17023.15934.1460
C41.55582.20712.20701.09891.09893.76614.56204.28822.45551.51072.28422.37353.4202
H52.21622.36972.95171.09891.75734.47845.28644.92983.22062.16842.67343.12514.1159
H62.21642.95112.36991.09891.75734.47975.28794.93103.22172.16862.67293.12604.1168
C72.56702.90982.91023.76614.47844.47971.08611.08591.34393.61384.61102.50992.8586
H83.55013.92703.92724.56205.28645.28791.08611.84712.12394.08644.95662.79552.7155
H92.84532.93312.93404.28824.92984.93101.08591.84712.12854.45085.49973.49243.9369
C101.52912.17442.17432.45553.22063.22171.34392.12392.12852.32623.37151.46562.2464
C112.41443.17533.17441.51072.16842.16863.61384.08644.45082.32621.08481.34702.1663
H123.45904.17144.17022.28422.67342.67294.61104.95665.49973.37151.08482.16392.6069
C132.40663.16003.15932.37353.12513.12602.50992.79553.49241.46561.34702.16391.0843
H143.44674.14684.14603.42024.11594.11682.85862.71553.93692.24642.16632.60691.0843

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 112.042 C1 C4 H6 112.058
C1 C4 C11 103.867 C1 C10 C7 126.513
C1 C10 C13 106.937 H2 C1 H3 106.919
H2 C1 C4 111.489 H2 C1 C10 110.768
H3 C1 C4 111.484 H3 C1 C10 110.763
C4 C1 C10 105.486 C4 C11 H12 122.454
C4 C11 C13 112.185 H5 C4 H6 106.174
H5 C4 C11 111.410 H6 C4 C11 111.426
C7 C10 C13 126.550 H8 C7 H9 116.524
H8 C7 C10 121.505 H9 C7 C10 121.971
C10 C13 C11 111.524 C10 C13 H14 122.822
C11 C13 H14 125.654 H12 C11 C13 125.361
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.373      
2 H 0.181      
3 H 0.182      
4 C -0.365      
5 H 0.173      
6 H 0.173      
7 C -0.413      
8 H 0.145      
9 H 0.144      
10 C 0.085      
11 C -0.168      
12 H 0.160      
13 C -0.085      
14 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.785 -0.258 -0.000 0.826
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.877 0.091 0.001
y 0.091 -33.814 -0.000
z 0.001 -0.000 -38.800
Traceless
 xyz
x 1.431 0.091 0.001
y 0.091 3.025 -0.000
z 0.001 -0.000 -4.455
Polar
3z2-r2-8.910
x2-y2-1.063
xy0.091
xz0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 153.580
(<r2>)1/2 12.393