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All results from a given calculation for C6H10 (Cyclopentene, 1-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-234.564936
Energy at 298.15K-234.575819
Nuclear repulsion energy233.314913
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
4/u)
Dep P Dep U
1 A 3203 3064 22.05      
2 A 3137 3001 22.78      
3 A 3126 2991 41.79      
4 A 3089 2955 25.07      
5 A 3084 2950 58.91      
6 A 3072 2939 32.61      
7 A 3064 2931 9.87      
8 A 3037 2905 43.94      
9 A 3022 2891 53.93      
10 A 3021 2890 38.26      
11 A 1745 1669 2.37      
12 A 1533 1466 0.83      
13 A 1515 1450 6.20      
14 A 1512 1446 1.05      
15 A 1505 1440 0.23      
16 A 1504 1439 9.31      
17 A 1436 1374 1.52      
18 A 1379 1320 1.46      
19 A 1347 1289 0.72      
20 A 1341 1282 2.41      
21 A 1296 1240 1.69      
22 A 1264 1209 1.34      
23 A 1243 1190 1.16      
24 A 1187 1136 0.94      
25 A 1166 1115 1.23      
26 A 1100 1052 0.24      
27 A 1058 1012 2.27      
28 A 1037 992 6.45      
29 A 1032 987 5.81      
30 A 954 913 1.44      
31 A 930 889 0.63      
32 A 911 872 0.39      
33 A 885 847 0.40      
34 A 841 805 4.49      
35 A 809 774 9.00      
36 A 656 627 1.94      
37 A 580 555 0.16      
38 A 442 423 3.24      
39 A 317 304 0.60      
40 A 242 231 2.13      
41 A 180 172 0.64      
42 A 136 130 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 31967.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30582.9 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 B3PW91/6-31G*
ABC
0.23270 0.10119 0.07499

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)
C1 -0.757 0.072 -0.001
H2 -0.336 2.179 -0.071
C3 0.029 1.156 -0.023
H4 -2.658 -0.448 0.859
H5 -2.610 -0.555 -0.897
H6 -2.682 1.036 -0.113
C7 -2.250 0.033 -0.041
H8 -0.026 -1.600 1.147
H9 -0.255 -1.983 -0.553
C10 0.072 -1.188 0.130
H11 1.744 -0.898 -1.217
H12 2.263 -1.232 0.435
C13 1.509 -0.710 -0.163
H14 1.875 1.069 1.090
H15 2.119 1.363 -0.626
C16 1.492 0.815 0.089

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.14991.33852.15112.15172.15591.49462.15602.18661.51362.94543.31892.40303.01813.21362.3696
H22.14991.08803.62813.65122.61032.87663.98284.19123.39763.88744.31903.42972.73282.64582.2863
C31.33851.08803.25153.26412.71522.54102.99423.19582.34852.93003.30232.38572.15712.18501.5059
H42.15113.62813.25151.75981.77451.09902.88723.18212.92104.88855.00194.29934.78595.32074.4058
H52.15173.65123.26411.75981.77521.09883.45582.77532.94054.37985.09744.18735.16695.11044.4352
H62.15592.61032.71521.77451.77521.09483.94823.89863.54794.95525.46854.54104.71314.83944.1844
C71.49462.87662.54101.09901.09881.09483.00362.88212.62884.26714.71183.83444.40104.60473.8250
H82.15603.98282.99422.88723.45583.94823.00361.75771.10183.03582.42602.20603.27734.06543.0424
H92.18664.19123.19583.18212.77533.89862.88211.75771.09852.37002.80792.21094.06834.10383.3605
C101.51363.39762.34852.92102.94053.54792.62881.10181.09852.16692.21321.54303.04353.35702.4551
H112.94543.88742.93004.88854.37984.95524.26713.03582.37002.16691.76331.09623.03392.36702.1685
H123.31894.31903.30235.00195.09745.46854.71182.42602.80792.21321.76331.09482.42392.80812.2153
C132.40303.42972.38574.29934.18734.54103.83442.20602.21091.54301.09621.09482.20582.21021.5456
H143.01812.73282.15714.78595.16694.71314.40103.27734.06833.04353.03392.42392.20581.75791.1015
H153.21362.64582.18505.32075.11044.83944.60474.06544.10383.35702.36702.80812.21021.75791.0978
C162.36962.28631.50594.40584.43524.18443.82503.04243.36052.45512.16852.21531.54561.10151.0978

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 124.433 C1 C3 C16 112.703
C1 C7 H4 111.159 C1 C7 H5 111.219
C1 C7 H6 111.811 C1 C10 H8 110.046
C1 C10 H9 112.698 C1 C10 C13 103.651
H2 C3 C16 122.811 C3 C1 C7 127.425
C3 C1 C10 110.710 C3 C16 C13 102.848
C3 C16 H14 110.691 C3 C16 H15 113.180
H4 C7 H5 106.399 H4 C7 H6 107.976
H5 C7 H6 108.049 C7 C1 C10 121.823
H8 C10 H9 106.044 H8 C10 C13 111.967
H9 C10 C13 112.561 C10 C13 H11 109.211
C10 C13 H12 112.978 C10 C13 C16 105.292
H11 C13 H12 107.182 H11 C13 C16 109.156
H12 C13 C16 112.960 C13 C16 H14 111.783
C13 C16 H15 112.355 H14 C16 H15 106.127
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 C 0.158     0.218
2 H 0.144     0.143
3 C -0.181     -0.333
4 H 0.176     0.160
5 H 0.176     0.167
6 H 0.177     0.171
7 C -0.580     -0.616
8 H 0.166     0.033
9 H 0.162     0.020
10 C -0.370     0.007
11 H 0.170     0.074
12 H 0.160     0.057
13 C -0.333     -0.212
14 H 0.167     0.032
15 H 0.164     0.024
16 C -0.355     0.054


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.147 -0.185 0.054 0.243
CHELPG        
AIM        
ESP -0.156 -0.199 0.061 0.260


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.729 0.169 0.068
y 0.169 -36.942 -0.063
z 0.068 -0.063 -38.281
Traceless
 xyz
x 0.882 0.169 0.068
y 0.169 0.563 -0.063
z 0.068 -0.063 -1.445
Polar
3z2-r2-2.891
x2-y20.213
xy0.169
xz0.068
yz-0.063


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> 170.031
(<r2>)1/2 13.040