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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-232.012614
Energy at 298.15K-232.020844
Nuclear repulsion energy214.006788
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 BLYP/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 3152 3134 31.40      
2 A 3151 3133 2.38      
3 A 3125 3108 2.27      
4 A 3076 3059 7.15      
5 A 3039 3023 21.62      
6 A 3002 2986 18.17      
7 A 2989 2972 13.62      
8 A 2967 2950 33.78      
9 A 1641 1632 16.65      
10 A 1581 1572 0.82      
11 A 1509 1501 3.95      
12 A 1491 1482 1.27      
13 A 1466 1458 0.29      
14 A 1351 1343 0.66      
15 A 1299 1291 3.71      
16 A 1269 1262 0.78      
17 A 1248 1241 0.29      
18 A 1212 1206 2.57      
19 A 1182 1176 0.18      
20 A 1125 1119 1.64      
21 A 1011 1005 3.13      
22 A 974 969 1.60      
23 A 946 940 2.91      
24 A 925 920 2.08      
25 A 869 864 6.57      
26 A 863 858 49.17      
27 A 828 824 8.14      
28 A 812 807 0.46      
29 A 771 767 0.90      
30 A 770 765 12.66      
31 A 657 654 14.36      
32 A 618 615 0.54      
33 A 497 494 15.69      
34 A 358 356 0.37      
35 A 285 284 1.06      
36 A 80 80 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26067.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 25924.5 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 BLYP/3-21G
ABC
0.23762 0.11255 0.07866

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.100 -1.218 0.001
H2 -0.073 -1.841 -0.891
H3 -0.071 -1.836 0.896
C4 1.562 -0.609 -0.001
H5 2.132 -0.923 -0.893
H6 2.136 -0.925 0.888
C7 -2.198 -0.018 -0.000
H8 -2.790 0.900 -0.001
H9 -2.754 -0.959 -0.001
C10 -0.849 0.013 -0.000
C11 1.325 0.905 0.000
H12 2.147 1.621 0.001
C13 0.007 1.218 0.000
H14 -0.405 2.227 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 C11 H12 C13 H14
C11.10151.10151.58332.23962.23972.59233.58282.86551.55382.45023.49912.43703.4813
H21.10151.78702.23162.38812.98002.93773.96052.95922.19773.20684.20713.18634.1771
H31.10151.78702.23112.98182.38762.93803.96012.96142.19713.20374.20373.18344.1740
C41.58332.23162.23111.10461.10463.80614.60584.32972.48961.53232.30522.39923.4513
H52.23962.38812.98181.10461.78194.51305.32414.96683.24962.18922.69663.14654.1423
H62.23972.98002.38761.10461.78194.51605.32744.96963.25222.18972.69623.14854.1447
C72.59232.93772.93803.80614.51304.51601.09271.09221.34973.64174.64352.52752.8734
H83.58283.96053.96014.60585.32415.32741.09271.85952.13414.11424.98842.81402.7288
H92.86552.95922.96144.32974.96684.96961.09221.85952.13834.48395.53763.51503.9579
C101.55382.19772.19712.48963.24963.25221.34972.13412.13832.34943.39961.47762.2582
C112.45023.20683.20371.53232.18922.18973.64174.11424.48392.34941.09001.35482.1771
H123.49914.20714.20372.30522.69662.69624.64354.98845.53763.39961.09002.17762.6225
C132.43703.18633.18342.39923.14653.14852.52752.81403.51501.47761.35482.17761.0899
H143.48134.17714.17403.45134.14234.14472.87342.72883.95792.25822.17712.62251.0899

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 111.616 C1 C4 H6 111.624
C1 C4 C11 103.694 C1 C10 C7 126.320
C1 C10 C13 106.986 H2 C1 H3 108.420
H2 C1 C4 111.171 H2 C1 C10 110.559
H3 C1 C4 111.135 H3 C1 C10 110.512
C4 C1 C10 105.042 C4 C11 H12 122.158
C4 C11 C13 112.260 H5 C4 H6 107.517
H5 C4 C11 111.202 H6 C4 C11 111.239
C7 C10 C13 126.695 H8 C7 H9 116.656
H8 C7 C10 121.450 H9 C7 C10 121.894
C10 C13 C11 112.018 C10 C13 H14 122.447
C11 C13 H14 125.535 H12 C11 C13 125.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.399      
2 H 0.197      
3 H 0.197      
4 C -0.386      
5 H 0.189      
6 H 0.189      
7 C -0.395      
8 H 0.162      
9 H 0.161      
10 C 0.058      
11 C -0.146      
12 H 0.161      
13 C -0.144      
14 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.683 -0.221 -0.000 0.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.035 -0.056 -0.000
y -0.056 -34.221 -0.001
z -0.000 -0.001 -39.404
Traceless
 xyz
x 1.778 -0.056 -0.000
y -0.056 2.999 -0.001
z -0.000 -0.001 -4.776
Polar
3z2-r2-9.552
x2-y2-0.814
xy-0.056
xz-0.000
yz-0.001


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> 156.313
(<r2>)1/2 12.502