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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-234.510406
Energy at 298.15K-234.521338
Nuclear repulsion energy232.859900
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 BLYP/6-31G(2df,p)
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 3122 3105 36.22      
2 A 3096 3079 9.90      
3 A 3014 2997 28.45      
4 A 3013 2996 52.13      
5 A 2971 2954 41.67      
6 A 2964 2947 41.91      
7 A 2951 2935 36.82      
8 A 2939 2923 7.37      
9 A 2908 2892 27.58      
10 A 2908 2892 44.39      
11 A 1625 1616 3.91      
12 A 1466 1458 4.17      
13 A 1462 1454 1.23      
14 A 1455 1447 0.17      
15 A 1448 1440 0.21      
16 A 1375 1367 0.52      
17 A 1334 1326 0.01      
18 A 1327 1319 4.84      
19 A 1291 1284 1.46      
20 A 1272 1265 0.77      
21 A 1255 1248 3.67      
22 A 1202 1195 0.39      
23 A 1129 1123 0.12      
24 A 1109 1103 1.99      
25 A 1104 1098 0.20      
26 A 1075 1070 1.48      
27 A 1032 1026 1.54      
28 A 962 957 5.81      
29 A 949 943 0.27      
30 A 934 929 0.04      
31 A 911 906 3.77      
32 A 899 894 3.42      
33 A 878 873 0.92      
34 A 788 784 0.71      
35 A 752 748 0.30      
36 A 689 685 23.33      
37 A 563 560 2.72      
38 A 412 410 0.66      
39 A 383 381 0.06      
40 A 308 306 0.08      
41 A 247 245 0.01      
42 A 96 95 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30807.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 30637.8 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 BLYP/6-31G(2df,p)
ABC
0.21982 0.10453 0.07713

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.449 1.302 -0.175
C2 1.563 0.671 -0.080
H3 2.449 -1.302 -0.175
C4 1.563 -0.671 -0.080
H5 -0.157 1.669 -0.958
H6 0.070 2.061 0.748
C7 0.158 1.241 0.015
H8 0.070 -2.061 0.748
H9 -0.157 -1.669 -0.958
C10 0.158 -1.241 0.015
H11 -0.814 -0.000 1.502
C12 -0.718 -0.000 0.403
H13 -2.703 0.889 0.099
H14 -2.703 -0.889 0.099
H15 -2.081 -0.000 -1.312
C16 -2.129 -0.000 -0.210

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.09152.60462.16522.74502.66232.29894.22204.02853.42813.89303.47225.17525.60504.84794.7596
C21.09152.16521.34252.17352.20191.51903.22223.03402.37502.93352.42624.27524.54593.90463.7551
H32.60462.16521.09154.02844.22203.42812.66232.74502.29893.89303.47225.60495.17524.84794.7595
C42.16521.34251.09153.03393.22222.37502.20182.17351.51902.93352.42624.54594.27523.90463.7551
H52.74502.17354.02843.03391.76531.10834.10793.33763.08463.04462.22512.86463.76072.57132.6897
H62.66232.20194.22203.22221.76531.10364.12244.10803.38422.36612.23353.07934.10063.62183.1626
C72.29891.51903.42812.37501.10831.10363.38423.08462.48272.16781.56822.88393.56842.88362.6123
H84.22203.22222.66232.20184.10794.12243.38421.76531.10362.36612.23344.10063.07933.62193.1626
H94.02853.03402.74502.17353.33764.10803.08461.76531.10833.04462.22513.76072.86472.57132.6898
C103.42812.37502.29891.51903.08463.38422.48271.10361.10832.16781.56823.56842.88402.88362.6124
H113.89302.93353.89302.93353.04462.36612.16782.36613.04462.16781.10382.51562.51563.08632.1590
C123.47222.42623.47222.42622.22512.23351.56822.23342.22511.56821.10382.19622.19622.19041.5386
H135.17524.27525.60494.54592.86463.07932.88394.10063.76073.56842.51562.19621.77871.78001.1024
H145.60504.54595.17524.27523.76074.10063.56843.07932.86472.88402.51562.19621.77871.78001.1024
H154.84793.90464.84793.90462.57133.62182.88363.62192.57132.88363.08632.19041.78001.78001.1033
C164.75963.75514.75953.75512.68973.16262.61233.16262.68982.61242.15901.53861.10241.10241.1033

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 125.321 H1 C2 C7 122.594
C2 C4 H3 125.321 C2 C4 C10 112.045
C2 C7 H5 110.667 C2 C7 H6 113.240
C2 C7 C12 103.594 H3 C4 C10 122.593
C4 C2 C7 112.044 C4 C10 H8 113.237
C4 C10 H9 110.671 C4 C10 C12 103.594
H5 C7 H6 105.901 H5 C7 C12 111.314
H6 C7 C12 112.261 C7 C12 C10 104.670
C7 C12 H11 107.165 C7 C12 C16 114.460
H8 C10 H9 105.901 H8 C10 C12 112.260
H9 C10 C12 111.316 C10 C12 H11 107.164
C10 C12 C16 114.460 H11 C12 C16 108.462
C12 C16 H13 111.460 C12 C16 H14 111.460
C12 C16 H15 110.942 H13 C16 H14 107.562
H13 C16 H15 107.612 H14 C16 H15 107.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.064      
2 C -0.030      
3 H 0.064      
4 C -0.030      
5 H 0.082      
6 H 0.081      
7 C -0.234      
8 H 0.081      
9 H 0.082      
10 C -0.234      
11 H 0.055      
12 C 0.098      
13 H 0.095      
14 H 0.095      
15 H 0.098      
16 C -0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.160 0.000 0.046 0.167
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.307 0.000 -0.359
y 0.000 -37.227 0.000
z -0.359 0.000 -38.782
Traceless
 xyz
x -0.302 0.000 -0.359
y 0.000 1.317 0.000
z -0.359 0.000 -1.015
Polar
3z2-r2-2.030
x2-y2-1.080
xy0.000
xz-0.359
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.298 0.000 -0.085
y 0.000 10.528 0.000
z -0.085 0.000 7.154


<r2> (average value of r2) Å2
<r2> 166.637
(<r2>)1/2 12.909