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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-234.614264
Energy at 298.15K-234.625388
Nuclear repulsion energy235.117189
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 mPW1PW91/aug-cc-pVDZ
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 3231 3096 25.53      
2 A 3205 3071 7.73      
3 A 3129 2999 26.80      
4 A 3125 2994 49.25      
5 A 3092 2963 30.52      
6 A 3087 2958 33.33      
7 A 3053 2925 17.69      
8 A 3045 2918 31.55      
9 A 3022 2896 38.93      
10 A 3021 2895 31.63      
11 A 1700 1629 5.79      
12 A 1483 1421 6.93      
13 A 1478 1417 1.45      
14 A 1476 1415 2.21      
15 A 1471 1409 4.30      
16 A 1397 1339 6.02      
17 A 1374 1317 0.84      
18 A 1371 1314 2.96      
19 A 1330 1275 1.98      
20 A 1299 1245 0.32      
21 A 1283 1229 3.02      
22 A 1230 1179 0.30      
23 A 1174 1125 0.00      
24 A 1147 1099 2.23      
25 A 1129 1082 0.76      
26 A 1113 1067 0.30      
27 A 1069 1025 3.95      
28 A 995 954 1.12      
29 A 995 953 11.56      
30 A 962 922 0.02      
31 A 930 891 5.11      
32 A 926 887 6.43      
33 A 905 867 0.00      
34 A 836 801 1.16      
35 A 781 749 0.70      
36 A 697 668 40.71      
37 A 577 553 4.63      
38 A 421 403 1.09      
39 A 397 380 0.07      
40 A 314 301 0.04      
41 A 250 240 0.00      
42 A 100 96 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 31808.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 30481.9 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 mPW1PW91/aug-cc-pVDZ
ABC
0.22559 0.10655 0.07866

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.439 -1.292 -0.143
C2 -1.549 -0.668 -0.065
H3 -2.440 1.292 -0.142
C4 -1.550 0.668 -0.064
H5 0.146 -1.621 -0.990
H6 -0.047 -2.053 0.708
C7 -0.152 -1.224 -0.005
H8 -0.046 2.054 0.707
H9 0.146 1.620 -0.990
C10 -0.152 1.224 -0.005
H11 0.779 0.000 1.489
C12 0.705 0.000 0.391
H13 2.675 -0.886 0.131
H14 2.675 0.886 0.131
H15 2.080 -0.000 -1.287
C16 2.111 -0.000 -0.188

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08962.58382.15422.74072.65122.29224.20053.98543.40283.83253.44085.13775.56564.83764.7303
C21.08962.15421.33662.15392.18491.50463.20402.99482.35282.87752.39484.23454.50553.88753.7228
H32.58382.15421.08963.98654.19993.40282.65162.74092.29253.83233.44085.56575.13784.83814.7306
C42.15421.33661.08962.99573.20352.35282.18532.15361.50482.87742.39484.50564.23453.88783.7229
H52.74072.15393.98652.99571.76271.10344.05263.24183.02563.02832.20142.86193.73332.54072.6702
H62.65122.18494.19993.20351.76271.09884.10704.05203.35542.34652.20943.01704.04743.56643.1104
C72.29221.50463.40282.35281.10341.09883.35583.02502.44772.14351.54562.85073.53052.85052.5795
H84.20053.20402.65162.18534.05264.10703.35581.76271.09872.34702.20954.04723.01653.56623.1102
H93.98542.99482.74092.15363.24184.05203.02501.76271.10353.02842.20123.73332.86222.54082.6703
C103.40282.35282.29251.50483.02563.35542.44771.09871.10352.14341.54543.53042.85052.85062.5794
H113.83252.87753.83232.87743.02832.34652.14352.34703.02842.14341.10022.49452.49473.06542.1415
C123.44082.39483.44082.39482.20142.20941.54562.20952.20121.54541.10022.17602.17602.16951.5208
H135.13774.23455.56574.50562.86193.01702.85074.04723.73333.53042.49452.17601.77251.77491.0980
H145.56564.50555.13784.23453.73334.04743.53053.01652.86222.85052.49472.17601.77251.77491.0980
H154.83763.88754.83813.88782.54073.56642.85053.56622.54082.85063.06542.16951.77491.77491.0991
C164.73033.72284.73063.72292.67023.11042.57953.11022.67032.57942.14151.52081.09801.09801.0991

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 124.913 H1 C2 C7 123.363
C2 C4 H3 124.913 C2 C4 C10 111.661
C2 C7 H5 110.408 C2 C7 H6 113.199
C2 C7 C12 103.454 H3 C4 C10 123.374
C4 C2 C7 111.673 C4 C10 H8 113.224
C4 C10 H9 110.370 C4 C10 C12 103.454
H5 C7 H6 106.337 H5 C7 C12 111.318
H6 C7 C12 112.234 C7 C12 C10 104.722
C7 C12 H11 107.018 C7 C12 C16 114.535
H8 C10 H9 106.340 H8 C10 C12 112.254
H9 C10 C12 111.307 C10 C12 H11 107.020
C10 C12 C16 114.537 H11 C12 C16 108.518
C12 C16 H13 111.358 C12 C16 H14 111.360
C12 C16 H15 110.775 H13 C16 H14 107.635
H13 C16 H15 107.771 H14 C16 H15 107.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.392      
2 C 0.331      
3 H -0.392      
4 C 0.331      
5 H -0.189      
6 H -0.220      
7 C 0.558      
8 H -0.220      
9 H -0.188      
10 C 0.558      
11 H -0.335      
12 C -0.128      
13 H -0.119      
14 H -0.119      
15 H -0.077      
16 C 0.600      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.266 -0.000 0.032 0.268
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.673 -0.000 0.495
y -0.000 -37.297 0.001
z 0.495 0.001 -39.405
Traceless
 xyz
x -0.322 -0.000 0.495
y -0.000 1.743 0.001
z 0.495 0.001 -1.420
Polar
3z2-r2-2.840
x2-y2-1.377
xy-0.000
xz0.495
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.441 0.000 -0.019
y 0.000 11.490 0.000
z -0.019 0.000 8.605


<r2> (average value of r2) Å2
<r2> 164.034
(<r2>)1/2 12.808