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

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-232.058250
Energy at 298.15K-232.069071
Nuclear repulsion energy233.410050
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 LSDA/3-21G*
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 3140 3083 8.07      
2 A 3076 3020 18.23      
3 A 3068 3013 10.11      
4 A 3029 2975 27.00      
5 A 3020 2966 17.91      
6 A 3017 2963 9.54      
7 A 3007 2953 5.81      
8 A 2963 2910 30.90      
9 A 2959 2906 25.14      
10 A 2957 2904 15.33      
11 A 1705 1674 3.03      
12 A 1487 1460 3.70      
13 A 1485 1458 14.84      
14 A 1478 1452 15.06      
15 A 1469 1443 3.38      
16 A 1465 1439 5.63      
17 A 1395 1370 12.05      
18 A 1332 1308 4.41      
19 A 1306 1282 1.52      
20 A 1289 1266 8.83      
21 A 1268 1246 2.84      
22 A 1236 1214 2.00      
23 A 1225 1203 0.82      
24 A 1164 1143 2.78      
25 A 1150 1129 0.11      
26 A 1074 1055 1.93      
27 A 1041 1023 1.60      
28 A 1023 1005 11.92      
29 A 1008 990 8.64      
30 A 937 920 1.89      
31 A 913 897 1.51      
32 A 894 878 0.21      
33 A 876 860 0.56      
34 A 824 809 0.71      
35 A 796 781 17.12      
36 A 645 634 3.90      
37 A 578 568 0.62      
38 A 425 417 5.41      
39 A 309 304 0.73      
40 A 238 233 3.55      
41 A 181 178 1.39      
42 A 143 141 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 31297.7 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 30734.3 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 LSDA/3-21G*
ABC
0.23178 0.10192 0.07555

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.755 0.080 -0.004
H2 -0.325 2.193 -0.081
C3 0.035 1.161 -0.028
H4 -2.639 -0.443 0.873
H5 -2.589 -0.574 -0.900
H6 -2.672 1.044 -0.130
C7 -2.237 0.033 -0.043
H8 -0.019 -1.559 1.186
H9 -0.284 -1.991 -0.528
C10 0.063 -1.184 0.144
H11 1.684 -0.874 -1.260
H12 2.269 -1.256 0.391
C13 1.498 -0.716 -0.182
H14 1.854 1.024 1.127
H15 2.141 1.360 -0.603
C16 1.493 0.806 0.100

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.15761.33952.14292.14362.14971.48312.15502.18741.51302.90453.32932.39582.99623.22262.3646
H22.15761.09393.63453.66772.61362.88413.97194.20773.40653.85104.34103.43442.75222.65492.2941
C31.33951.09393.24573.26482.71172.53642.97933.20762.35182.89473.31782.38502.15892.19231.5062
H42.14293.63453.24571.77841.79311.10822.86563.14762.89584.84014.99854.27814.73355.31784.3853
H52.14363.66773.26481.77841.79411.10783.45382.73122.91524.29885.07274.15175.13865.11914.4236
H62.14972.61362.71171.79311.79411.10353.94303.88243.53874.89215.47504.52644.69764.84694.1784
C71.48312.88412.53641.10821.10781.10352.99482.85442.60954.20444.70683.81164.36884.60863.8117
H82.15503.97192.97932.86563.45383.94302.99481.78751.11053.05842.44112.20973.19114.04813.0095
H92.18744.20773.20763.14762.73123.88242.85441.78751.10612.37862.81112.21774.04964.13713.3724
C101.51303.40652.35182.89582.91523.53872.60951.11051.10612.16672.22051.54353.00793.36852.4504
H112.90453.85102.89474.84014.29884.89214.20443.05842.37862.16671.79241.10483.05392.37272.1693
H123.32934.34103.31784.99855.07275.47504.70682.44112.81112.22051.79241.10212.43122.80102.2217
C132.39583.43442.38504.27814.15174.52643.81162.20972.21771.54351.10481.10212.20672.21401.5479
H142.99622.75222.15894.73355.13864.69764.36883.19114.04963.00793.05392.43122.20671.78531.1102
H153.22262.65492.19235.31785.11914.84694.60864.04814.13713.36852.37272.80102.21401.78531.1051
C162.36462.29411.50624.38534.42364.17843.81173.00953.37242.45042.16932.22171.54791.11021.1051

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 124.607 C1 C3 C16 112.259
C1 C7 H4 110.740 C1 C7 H5 110.820
C1 C7 H6 111.579 C1 C10 H8 109.503
C1 C10 H9 112.335 C1 C10 C13 103.224
H2 C3 C16 123.065 C3 C1 C7 127.878
C3 C1 C10 110.923 C3 C16 C13 102.683
C3 C16 H14 110.289 C3 C16 H15 113.287
H4 C7 H5 106.745 H4 C7 H6 108.336
H5 C7 H6 108.453 C7 C1 C10 121.136
H8 C10 H9 107.493 H8 C10 C13 111.697
H9 C10 C13 112.601 C10 C13 H11 108.670
C10 C13 H12 113.080 C10 C13 C16 104.871
H11 C13 H12 108.620 H11 C13 C16 108.570
H12 C13 C16 112.857 C13 C16 H14 111.169
C13 C16 H15 112.055 H14 C16 H15 107.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.077      
2 H 0.183      
3 C -0.174      
4 H 0.225      
5 H 0.225      
6 H 0.221      
7 C -0.699      
8 H 0.220      
9 H 0.212      
10 C -0.463      
11 H 0.225      
12 H 0.208      
13 C -0.426      
14 H 0.221      
15 H 0.215      
16 C -0.470      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.191 -0.224 0.089 0.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.396 0.237 0.103
y 0.237 -36.947 -0.104
z 0.103 -0.104 -38.929
Traceless
 xyz
x 1.543 0.237 0.103
y 0.237 0.715 -0.104
z 0.103 -0.104 -2.258
Polar
3z2-r2-4.516
x2-y20.551
xy0.237
xz0.103
yz-0.104


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.186 0.891 0.114
y 0.891 9.245 -0.125
z 0.114 -0.125 6.448


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000