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All results from a given calculation for C6H10 (Cyclopentene, 4-methyl-)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-230.254335
Energy at 298.15K-230.265644
Nuclear repulsion energy234.530901
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 HF/STO-3G
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 3753 3065 0.07      
2 A 3750 3062 2.57      
3 A 3748 3061 1.39      
4 A 3715 3034 19.03      
5 A 3706 3026 5.05      
6 A 3705 3025 0.81      
7 A 3649 2980 3.69      
8 A 3593 2934 0.68      
9 A 3592 2933 7.23      
10 A 3565 2911 2.49      
11 A 2055 1678 0.87      
12 A 1840 1502 0.97      
13 A 1838 1501 1.53      
14 A 1834 1498 0.09      
15 A 1829 1493 0.80      
16 A 1743 1423 0.35      
17 A 1686 1377 1.81      
18 A 1648 1346 0.50      
19 A 1612 1316 5.88      
20 A 1580 1290 6.20      
21 A 1554 1269 2.24      
22 A 1469 1200 1.13      
23 A 1410 1151 0.00      
24 A 1365 1115 0.64      
25 A 1323 1080 0.67      
26 A 1311 1071 0.87      
27 A 1264 1032 0.65      
28 A 1190 971 2.39      
29 A 1178 962 0.50      
30 A 1148 937 0.04      
31 A 1105 902 2.10      
32 A 1093 893 0.05      
33 A 1082 883 0.23      
34 A 967 790 0.09      
35 A 894 730 0.04      
36 A 842 687 12.06      
37 A 683 558 2.05      
38 A 479 391 0.49      
39 A 439 359 0.00      
40 A 361 295 0.08      
41 A 260 212 0.00      
42 A 87 71 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 37973.6 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 31005.5 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 HF/STO-3G
ABC
0.22139 0.10586 0.07849

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.420 -1.290 -0.228
C2 -1.553 -0.654 -0.108
H3 -2.419 1.290 -0.228
C4 -1.553 0.654 -0.108
H5 0.179 -1.695 -0.881
H6 -0.111 -2.006 0.820
C7 -0.154 -1.237 0.051
H8 -0.111 2.006 0.821
H9 0.179 1.695 -0.881
C10 -0.154 1.237 0.051
H11 0.865 -0.000 1.500
C12 0.720 -0.000 0.420
H13 2.674 -0.880 0.041
H14 2.674 0.880 0.041
H15 2.012 0.000 -1.333
C16 2.108 -0.000 -0.251

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08192.58082.13232.70942.63482.28294.15904.01123.40573.92933.45535.11665.54274.74604.7075
C21.08192.13231.30822.16322.18401.52363.16523.01902.35782.97642.42294.23504.49863.82583.7212
H32.58082.13231.08194.01114.15903.40572.63492.70942.28293.92943.45535.54275.11664.74604.7075
C42.13231.30821.08193.01893.16532.35782.18402.16321.52362.97652.42294.49864.23503.82573.7212
H52.70942.16324.01113.01891.75411.09044.08403.38993.09503.00242.20462.78213.70222.53742.6442
H62.63482.18404.15903.16531.75411.08874.01244.08403.33402.33212.20783.10284.08523.62873.1771
C72.28291.52363.40572.35781.09041.08873.33413.09502.47502.16121.55942.85033.53272.85282.5959
H84.15903.16522.63492.18404.08404.01243.33411.75411.08872.33212.20784.08523.10283.62873.1771
H94.01123.01902.70942.16323.38994.08403.09501.75411.09043.00242.20453.70212.78212.53742.6441
C103.40572.35782.28291.52363.09503.33402.47501.08871.09042.16121.55943.53272.85032.85282.5959
H113.92932.97643.92942.97653.00242.33212.16122.33213.00242.16121.08932.48442.48443.05602.1470
C123.45532.42293.45532.42292.20462.20781.55942.20782.20451.55941.08932.17622.17622.17811.5419
H135.11664.23505.54274.49862.78213.10282.85034.08523.70213.53272.48442.17621.75991.76061.0862
H145.54274.49865.11664.23503.70224.08523.53273.10282.78212.85032.48442.17621.75991.76061.0862
H154.74603.82584.74603.82572.53743.62872.85283.62872.53742.85283.05602.17811.76061.76061.0860
C164.70753.72124.70753.72122.64423.17712.59593.17712.64412.59592.14701.54191.08621.08621.0860

picture of Cyclopentene, 4-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 126.024 H1 C2 C7 121.447
C2 C4 H3 126.024 C2 C4 C10 112.514
C2 C7 H5 110.601 C2 C7 H6 112.380
C2 C7 C12 103.605 H3 C4 C10 121.447
C4 C2 C7 112.513 C4 C10 H8 112.383
C4 C10 H9 110.598 C4 C10 C12 103.605
H5 C7 H6 107.212 H5 C7 C12 111.376
H6 C7 C12 111.734 C7 C12 C10 105.042
C7 C12 H11 108.046 C7 C12 C16 113.659
H8 C10 H9 107.212 H8 C10 C12 111.735
H9 C10 C12 111.374 C10 C12 H11 108.045
C10 C12 C16 113.659 H11 C12 C16 108.133
C12 C16 H13 110.599 C12 C16 H14 110.599
C12 C16 H15 110.762 H13 C16 H14 108.210
H13 C16 H15 108.291 H14 C16 H15 108.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.057      
2 C -0.068      
3 H 0.057      
4 C -0.068      
5 H 0.055      
6 H 0.055      
7 C -0.109      
8 H 0.055      
9 H 0.055      
10 C -0.109      
11 H 0.050      
12 C -0.020      
13 H 0.057      
14 H 0.057      
15 H 0.056      
16 C -0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.131 0.000 0.013 0.131
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.304 0.000 0.212
y 0.000 -35.635 0.000
z 0.212 0.000 -36.461
Traceless
 xyz
x -0.256 0.000 0.212
y 0.000 0.748 0.000
z 0.212 0.000 -0.492
Polar
3z2-r2-0.983
x2-y2-0.669
xy0.000
xz0.212
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.873 0.000 0.138
y 0.000 5.895 -0.000
z 0.138 -0.000 3.303


<r2> (average value of r2) Å2
<r2> 163.264
(<r2>)1/2 12.777