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All results from a given calculation for C6H10 (Cyclopentene, 3-methyl-)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-233.368779
Energy at 298.15K-233.379875
Nuclear repulsion energy233.322931
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 B3LYP/3-21G
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 3226 3113 21.73      
2 A 3196 3084 5.51      
3 A 3127 3017 40.10      
4 A 3112 3003 21.52      
5 A 3103 2994 28.80      
6 A 3085 2977 30.75      
7 A 3067 2960 14.74      
8 A 3043 2936 21.42      
9 A 3038 2932 38.22      
10 A 3019 2913 21.44      
11 A 1680 1621 0.30      
12 A 1566 1511 6.03      
13 A 1564 1509 4.30      
14 A 1552 1498 2.78      
15 A 1538 1484 1.51      
16 A 1460 1409 4.25      
17 A 1395 1347 5.14      
18 A 1365 1317 2.31      
19 A 1351 1304 0.15      
20 A 1341 1294 4.55      
21 A 1332 1286 0.59      
22 A 1255 1211 1.01      
23 A 1229 1186 0.65      
24 A 1170 1129 0.30      
25 A 1143 1103 3.79      
26 A 1126 1086 6.36      
27 A 1067 1030 0.93      
28 A 1010 974 0.47      
29 A 989 954 0.01      
30 A 977 942 3.25      
31 A 940 907 0.63      
32 A 894 863 3.15      
33 A 852 822 1.26      
34 A 827 798 2.68      
35 A 774 747 0.24      
36 A 748 722 38.67      
37 A 604 583 7.10      
38 A 499 481 3.17      
39 A 346 334 0.11      
40 A 284 274 0.17      
41 A 241 232 0.06      
42 A 94 90 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 32114.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 30987.2 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 B3LYP/3-21G
ABC
0.21718 0.10532 0.07844

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.306 2.218 0.149
C2 0.098 1.212 0.119
H3 2.151 1.596 -0.404
C4 1.362 0.893 -0.165
H5 2.194 -0.839 0.838
H6 2.167 -1.000 -0.927
C7 1.614 -0.608 -0.066
H8 0.097 -2.045 0.706
H9 -0.143 -1.533 -0.978
C10 0.166 -1.198 0.018
H11 -0.938 -0.042 1.536
C12 -0.760 -0.007 0.450
H13 -2.732 0.845 0.027
H14 -2.679 -0.928 -0.053
H15 -1.962 0.044 -1.361
C16 -2.120 -0.011 -0.278

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08392.59392.15324.00884.19813.42294.31783.91943.45082.72562.29032.79003.94483.12202.9054
C21.08392.15301.33463.02003.20432.37613.30982.96592.41362.15701.52712.85523.50942.79242.5639
H32.59392.15301.08332.73372.64792.29354.32493.92183.45333.99793.43094.95915.46024.49884.5650
C42.15321.33461.08332.16752.19311.52503.31502.96822.41603.00922.38564.09914.43313.63313.5993
H54.00883.02002.73372.16751.77231.09882.42263.04042.21693.30633.09365.26954.95434.78414.5326
H64.19813.20432.64792.19311.77231.09582.83612.37132.22194.07673.38365.32144.92414.28054.4469
C73.42292.37612.29351.52501.09881.09582.22722.18501.56573.06512.50244.58364.30413.85823.7870
H84.31783.30984.32493.31502.42262.83612.22721.77721.09312.40212.22574.10173.08703.58833.1656
H93.91942.96593.92182.96823.04042.37132.18501.77721.09593.02872.17933.65642.76602.43682.5908
C103.45082.41363.45332.41602.21692.22191.56571.09311.09592.20381.56943.54652.85822.82352.5927
H112.72562.15703.99793.00923.30634.07673.06512.40213.02872.20381.10032.50712.51743.07352.1653
C122.29031.52713.43092.38563.09363.38362.50242.22572.17931.56941.10032.19012.18672.17441.5429
H132.79002.85524.95914.09915.26955.32144.58364.10173.65643.54652.50712.19011.77581.77831.0965
H143.94483.50945.46024.43314.95434.92414.30413.08702.76602.85822.51742.18671.77581.78001.0964
H153.12202.79244.49883.63314.78414.28053.85823.58832.43682.82353.07352.17441.77831.78001.0957
C162.90542.56394.56503.59934.53264.44693.78703.16562.59082.59272.16531.54291.09651.09641.0957

picture of Cyclopentene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 125.512 H1 C2 C12 121.690
C2 C4 H3 125.539 C2 C4 C7 112.214
C2 C12 C10 102.413 C2 C12 H11 109.293
C2 C12 C16 113.261 H3 C4 C7 122.207
C4 C2 C12 112.776 C4 C7 H5 110.339
C4 C7 H6 112.580 C4 C7 C10 102.821
H5 C7 H6 107.719 H5 C7 C10 111.412
H6 C7 C10 111.988 C7 C10 H8 112.580
C7 C10 H9 109.079 C7 C10 C12 105.913
H8 C10 H9 108.565 H8 C10 C12 112.192
H9 C10 C12 108.392 C10 C12 H11 110.029
C10 C12 C16 112.823 H11 C12 C16 108.857
C12 C16 H13 111.021 C12 C16 H14 110.756
C12 C16 H15 109.826 H13 C16 H14 108.150
H13 C16 H15 108.429 H14 C16 H15 108.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.173     0.174
2 C -0.133     -0.370
3 H 0.175     0.132
4 C -0.167     -0.142
5 H 0.199     0.061
6 H 0.193     0.064
7 C -0.415     -0.087
8 H 0.186     0.044
9 H 0.197     0.071
10 C -0.358     -0.168
11 H 0.197     -0.002
12 C -0.269     0.357
13 H 0.183     0.129
14 H 0.185     0.110
15 H 0.190     0.143
16 C -0.535     -0.517


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.015 -0.132 0.076 0.153
CHELPG        
AIM        
ESP -0.005 -0.113 0.061 0.129


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.319 -0.219 -0.669
y -0.219 -37.369 -0.165
z -0.669 -0.165 -39.190
Traceless
 xyz
x 0.961 -0.219 -0.669
y -0.219 0.885 -0.165
z -0.669 -0.165 -1.846
Polar
3z2-r2-3.692
x2-y20.050
xy-0.219
xz-0.669
yz-0.165


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.305 -0.369 -0.589
y -0.369 8.286 -0.095
z -0.589 -0.095 6.356


<r2> (average value of r2) Å2
<r2> 165.832
(<r2>)1/2 12.878