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

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-234.558779
Energy at 298.15K-234.569871
Nuclear repulsion energy234.904676
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
(Å4/u)
Dep P Dep U
1 A 3225 3085 33.98      
2 A 3200 3061 9.58      
3 A 3123 2988 27.77      
4 A 3121 2986 48.42      
5 A 3081 2948 38.52      
6 A 3076 2943 35.58      
7 A 3047 2915 39.20      
8 A 3044 2912 8.24      
9 A 3013 2883 27.33      
10 A 3013 2883 43.70      
11 A 1709 1635 2.73      
12 A 1527 1461 7.32      
13 A 1523 1457 2.49      
14 A 1517 1451 0.33      
15 A 1509 1444 1.15      
16 A 1433 1371 3.04      
17 A 1390 1330 0.26      
18 A 1390 1330 3.85      
19 A 1350 1291 2.29      
20 A 1320 1263 0.11      
21 A 1307 1250 3.47      
22 A 1249 1195 0.42      
23 A 1182 1131 0.00      
24 A 1161 1111 2.52      
25 A 1142 1092 0.21      
26 A 1121 1072 0.59      
27 A 1079 1032 1.67      
28 A 1003 959 9.02      
29 A 995 951 0.38      
30 A 971 929 0.00      
31 A 940 900 4.92      
32 A 936 895 4.04      
33 A 914 875 0.02      
34 A 832 796 1.28      
35 A 778 744 0.45      
36 A 708 677 33.87      
37 A 573 548 3.84      
38 A 422 404 1.18      
39 A 395 378 0.09      
40 A 313 299 0.10      
41 A 254 243 0.01      
42 A 104 100 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 31994.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30608.7 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
0.22539 0.10621 0.07841

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)
H1 2.438 1.294 -0.134
C2 1.552 0.668 -0.062
H3 2.438 -1.294 -0.134
C4 1.552 -0.668 -0.062
H5 -0.143 1.616 -0.997
H6 0.043 2.060 0.696
C7 0.154 1.226 -0.010
H8 0.043 -2.060 0.696
H9 -0.142 -1.616 -0.997
C10 0.154 -1.226 -0.010
H11 -0.772 -0.000 1.488
C12 -0.705 -0.000 0.391
H13 -2.679 0.885 0.137
H14 -2.679 -0.885 0.137
H15 -2.092 -0.000 -1.281
C16 -2.116 -0.000 -0.184

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08732.58752.15352.74032.64822.28894.20383.98433.40333.82243.43915.14115.56864.84904.7349
C21.08732.15351.33532.15582.18861.50663.20792.99412.35452.87222.39674.24184.51183.90043.7307
H32.58752.15351.08733.98434.20383.40332.64822.74032.28893.82243.43905.56865.14114.84904.7349
C42.15351.33531.08732.99413.20792.35452.18862.15581.50662.87222.39674.51184.24193.90043.7307
H52.74032.15583.98432.99411.75961.10254.05143.23293.02343.03072.20372.87353.73872.54842.6778
H62.64822.18864.20383.20791.75961.09794.11944.05153.36212.35252.21223.01714.04883.56463.1107
C72.28891.50663.40332.35451.10251.09793.36213.02342.45152.14531.54912.85733.53592.85692.5856
H84.20383.20792.64822.18864.05144.11943.36211.75961.09792.35252.21224.04883.01713.56463.1107
H93.98432.99412.74032.15583.23294.05153.02341.75961.10253.03072.20373.73882.87362.54842.6778
C103.40332.35452.28891.50663.02343.36212.45151.09791.10252.14531.54913.53592.85732.85692.5856
H113.82242.87223.82242.87223.03072.35252.14532.35253.03072.14531.09892.49912.49913.06722.1449
C123.43912.39673.43902.39672.20372.21221.54912.21222.20371.54911.09892.17882.17882.17261.5241
H135.14114.24185.56864.51182.87353.01712.85734.04883.73883.53592.49912.17881.76961.77141.0967
H145.56864.51185.14114.24193.73874.04883.53593.01712.87362.85732.49912.17881.76961.77141.0967
H154.84903.90044.84903.90042.54843.56462.85693.56462.54842.85693.06722.17261.77141.77141.0975
C164.73493.73074.73493.73072.67783.11072.58563.11072.67782.58562.14491.52411.09671.09671.0975

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 125.158 H1 C2 C7 123.050
C2 C4 H3 125.158 C2 C4 C10 111.741
C2 C7 H5 110.472 C2 C7 H6 113.415
C2 C7 C12 103.308 H3 C4 C10 123.050
C4 C2 C7 111.741 C4 C10 H8 113.413
C4 C10 H9 110.474 C4 C10 C12 103.308
H5 C7 H6 106.202 H5 C7 C12 111.299
H6 C7 C12 112.263 C7 C12 C10 104.602
C7 C12 H11 106.993 C7 C12 C16 114.561
H8 C10 H9 106.202 H8 C10 C12 112.262
H9 C10 C12 111.300 C10 C12 H11 106.993
C10 C12 C16 114.561 H11 C12 C16 108.630
C12 C16 H13 111.432 C12 C16 H14 111.432
C12 C16 H15 110.892 H13 C16 H14 107.564
H13 C16 H15 107.667 H14 C16 H15 107.667
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 H 0.152     0.139
2 C -0.137     -0.222
3 H 0.152     0.139
4 C -0.137     -0.222
5 H 0.166     0.059
6 H 0.165     0.035
7 C -0.353     -0.063
8 H 0.165     0.035
9 H 0.166     0.059
10 C -0.353     -0.063
11 H 0.164     0.017
12 C -0.128     0.240
13 H 0.166     0.123
14 H 0.166     0.123
15 H 0.164     0.135
16 C -0.517     -0.535


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.163 0.000 0.017 0.164
CHELPG        
AIM        
ESP -0.161 0.000 -0.005 0.161


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.574 0.000 -0.373
y 0.000 -36.491 0.000
z -0.373 0.000 -38.586
Traceless
 xyz
x -0.035 0.000 -0.373
y 0.000 1.589 0.000
z -0.373 0.000 -1.553
Polar
3z2-r2-3.107
x2-y2-1.083
xy0.000
xz-0.373
yz0.000


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> 163.818
(<r2>)1/2 12.799