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All results from a given calculation for C6H10 (Cyclopentene, 1-methyl-)

using model chemistry: BLYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-234.516588
Energy at 298.15K-234.527301
Nuclear repulsion energy231.377568
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/6-31G(2df,p)
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 3099 3082 22.73      
2 A 3027 3010 24.42      
3 A 3020 3003 43.49      
4 A 2981 2965 60.33      
5 A 2973 2956 24.89      
6 A 2961 2944 38.99      
7 A 2955 2938 14.66      
8 A 2936 2920 44.06      
9 A 2916 2900 56.20      
10 A 2915 2899 38.75      
11 A 1658 1649 1.94      
12 A 1467 1459 0.13      
13 A 1454 1446 3.41      
14 A 1449 1441 1.13      
15 A 1446 1438 0.02      
16 A 1443 1435 5.45      
17 A 1375 1368 0.22      
18 A 1319 1312 0.38      
19 A 1284 1277 0.46      
20 A 1277 1270 3.46      
21 A 1251 1244 0.47      
22 A 1207 1200 2.83      
23 A 1195 1188 0.85      
24 A 1135 1129 1.50      
25 A 1119 1113 0.92      
26 A 1063 1057 0.48      
27 A 1005 1000 5.20      
28 A 1002 997 3.46      
29 A 994 988 2.49      
30 A 909 904 1.12      
31 A 886 882 0.19      
32 A 872 867 0.89      
33 A 845 841 0.29      
34 A 812 808 4.68      
35 A 777 773 4.68      
36 A 642 639 1.34      
37 A 563 560 0.14      
38 A 433 430 1.96      
39 A 309 307 0.53      
40 A 234 233 1.33      
41 A 180 179 0.52      
42 A 119 118 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30754.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 30584.8 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/6-31G(2df,p)
ABC
0.22863 0.09955 0.07360

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.764 0.075 -0.001
H2 -0.340 2.193 -0.066
C3 0.026 1.164 -0.022
H4 -2.678 -0.453 0.866
H5 -2.634 -0.557 -0.897
H6 -2.703 1.042 -0.107
C7 -2.268 0.034 -0.038
H8 -0.048 -1.639 1.129
H9 -0.255 -1.985 -0.588
C10 0.068 -1.200 0.118
H11 1.800 -0.930 -1.194
H12 2.268 -1.231 0.486
C13 1.529 -0.719 -0.147
H14 1.902 1.104 1.076
H15 2.122 1.371 -0.654
C16 1.503 0.828 0.081

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.16051.34562.16672.16732.16991.50482.17442.20151.52693.00063.33722.43093.05413.23032.3900
H22.16051.09233.65133.67552.62882.89414.02424.21103.42223.94994.33953.46132.74182.66192.2981
C31.34561.09233.27323.28652.73332.55693.03123.21222.36912.98453.32052.41332.17482.19961.5185
H42.16673.65133.27321.76641.78381.10532.89723.21422.94184.95165.02134.33534.84215.35524.4426
H52.16733.67553.28651.76641.78461.10513.45872.79162.95664.45895.13774.23275.21775.13754.4704
H62.16992.62882.73331.78381.78461.10053.97093.92293.57165.03475.49884.58454.75564.86794.2161
C71.50482.89412.55691.10531.10511.10053.01452.90332.64574.33684.73793.87214.44664.63023.8551
H82.17444.02423.03122.89723.45873.97093.01451.76381.10763.05142.43782.22713.36594.11653.0966
H92.20154.21103.21223.21422.79163.92292.90331.76381.10422.38782.84412.23134.11894.11313.3839
C101.52693.42222.36912.94182.95663.57162.64571.10761.10422.18992.23141.56133.09723.38062.4850
H113.00063.94992.98454.95164.45895.03474.33683.05142.38782.18991.77001.10143.04962.38522.1916
H123.33724.33953.32055.02135.13775.49884.73792.43782.84412.23141.77001.09982.43632.84452.2339
C132.43093.46132.41334.33534.23274.58453.87212.22712.23131.56131.10141.09982.22732.23101.5643
H143.05412.74182.17484.84215.21774.75564.44663.36594.11893.09723.04962.43632.22731.76411.1073
H153.23032.66192.19965.35525.13754.86794.63024.11654.11313.38062.38522.84452.23101.76411.1036
C162.39002.29811.51854.44264.47044.21613.85513.09663.38392.48502.19162.23391.56431.10731.1036

picture of Cyclopentene, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H2 124.479 C1 C3 C16 112.980
C1 C7 H4 111.301 C1 C7 H5 111.371
C1 C7 H6 111.860 C1 C10 H8 110.229
C1 C10 H9 112.601 C1 C10 C13 103.835
H2 C3 C16 122.498 C3 C1 C7 127.455
C3 C1 C10 110.968 C3 C16 C13 103.034
C3 C16 H14 110.860 C3 C16 H15 113.089
H4 C7 H5 106.093 H4 C7 H6 107.938
H5 C7 H6 108.022 C7 C1 C10 121.544
H8 C10 H9 105.774 H8 C10 C13 111.999
H9 C10 C13 112.545 C10 C13 H11 109.444
C10 C13 H12 112.821 C10 C13 C16 105.323
H11 C13 H12 107.046 H11 C13 C16 109.369
H12 C13 C16 112.805 C13 C16 H14 111.817
C13 C16 H15 112.346 H14 C16 H15 105.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.394      
2 H 0.055      
3 C -0.133      
4 H 0.107      
5 H 0.107      
6 H 0.105      
7 C -0.469      
8 H 0.082      
9 H 0.078      
10 C -0.268      
11 H 0.086      
12 H 0.076      
13 C -0.169      
14 H 0.084      
15 H 0.081      
16 C -0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.149 -0.171 0.038 0.230
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.541 0.159 0.046
y 0.159 -37.693 -0.042
z 0.046 -0.042 -38.445
Traceless
 xyz
x 0.528 0.159 0.046
y 0.159 0.300 -0.042
z 0.046 -0.042 -0.828
Polar
3z2-r2-1.656
x2-y20.152
xy0.159
xz0.046
yz-0.042


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.343 0.822 0.074
y 0.822 10.146 -0.091
z 0.074 -0.091 7.187


<r2> (average value of r2) Å2
<r2> 172.988
(<r2>)1/2 13.152