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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-39.849124
Energy at 298.15K-39.860247
Nuclear repulsion energy126.278769
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/CEP-121G
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 3174 3093 49.12      
2 A 3141 3061 14.63      
3 A 3059 2981 98.13      
4 A 3058 2980 47.62      
5 A 3025 2947 55.59      
6 A 3017 2940 42.78      
7 A 2978 2902 10.50      
8 A 2973 2897 66.16      
9 A 2958 2883 20.52      
10 A 2957 2881 74.55      
11 A 1646 1604 4.45      
12 A 1524 1485 7.49      
13 A 1520 1481 2.23      
14 A 1517 1479 1.75      
15 A 1513 1474 4.68      
16 A 1430 1393 4.95      
17 A 1371 1336 4.83      
18 A 1370 1335 0.18      
19 A 1332 1298 0.44      
20 A 1311 1278 0.85      
21 A 1302 1269 5.36      
22 A 1238 1206 0.82      
23 A 1170 1141 0.01      
24 A 1152 1122 2.90      
25 A 1130 1101 0.13      
26 A 1112 1083 2.28      
27 A 1069 1041 2.24      
28 A 997 972 6.92      
29 A 977 952 0.21      
30 A 971 947 1.76      
31 A 939 915 4.98      
32 A 925 901 4.51      
33 A 906 883 2.06      
34 A 808 787 1.71      
35 A 774 754 0.87      
36 A 713 695 49.26      
37 A 580 565 4.60      
38 A 424 414 1.19      
39 A 388 378 0.06      
40 A 316 308 0.12      
41 A 244 238 0.01      
42 A 95 93 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 31548.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 30744.5 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/CEP-121G
ABC
0.21777 0.10366 0.07649

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.492 -1.305 -0.180
C2 -1.607 -0.678 -0.084
H3 -2.492 1.305 -0.180
C4 -1.607 0.678 -0.084
H5 0.133 -1.670 -0.948
H6 -0.110 -2.059 0.758
C7 -0.191 -1.248 0.020
H8 -0.110 2.059 0.758
H9 0.133 1.670 -0.948
C10 -0.191 1.248 0.020
H11 0.783 0.000 1.513
C12 0.684 0.000 0.416
H13 2.673 -0.888 0.101
H14 2.673 0.888 0.101
H15 2.045 -0.000 -1.304
C16 2.102 -0.000 -0.206

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08872.60912.17292.75922.66942.31064.22754.04073.44253.91093.48535.18925.61804.85324.7755
C21.08872.17291.35542.18112.20481.53033.23173.04702.39262.95372.44154.28904.56113.90993.7722
H32.60912.17291.08874.04064.22763.44242.66952.75922.31073.91093.48535.61805.18924.85324.7756
C42.17291.35541.08873.04693.23172.39262.20482.18121.53042.95372.44154.56114.28903.91003.7723
H52.75922.18114.04063.04691.76651.10434.10803.33963.09093.04412.22542.85703.75412.56362.6861
H62.66942.20484.22763.23171.76651.10004.11894.10813.38962.36822.23363.08954.10623.62473.1718
C72.31061.53033.44242.39261.10431.10003.38963.09102.49562.17601.57482.88723.57332.88282.6199
H84.22753.23172.66952.20484.10804.11893.38961.76651.10002.36822.23354.10623.08963.62483.1719
H94.04073.04702.75922.18123.33964.10813.09101.76651.10433.04412.22543.75422.85692.56382.6862
C103.44252.39262.31071.53043.09093.38962.49561.10001.10432.17591.57473.57332.88722.88292.6199
H113.91092.95373.91092.95373.04412.36822.17602.36823.04412.17591.10142.52042.52053.08722.1663
C123.48532.44153.48532.44152.22542.23361.57482.23352.22541.57471.10142.20032.20032.19361.5478
H135.18924.28905.61804.56112.85703.08952.88724.10623.75423.57332.52042.20031.77611.77711.0995
H145.61804.56115.18924.28903.75414.10623.57333.08962.85692.88722.52052.20031.77611.77711.0995
H154.85323.90994.85323.91002.56363.62472.88283.62482.56382.88293.08722.19361.77711.77711.1001
C164.77553.77224.77563.77232.68613.17182.61993.17192.68622.61992.16631.54781.09951.09951.1001

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 125.154 H1 C2 C7 122.943
C2 C4 H3 125.154 C2 C4 C10 111.871
C2 C7 H5 110.725 C2 C7 H6 112.888
C2 C7 C12 103.670 H3 C4 C10 122.944
C4 C2 C7 111.873 C4 C10 H8 112.885
C4 C10 H9 110.725 C4 C10 C12 103.670
H5 C7 H6 106.524 H5 C7 C12 111.118
H6 C7 C12 112.019 C7 C12 C10 104.818
C7 C12 H11 107.476 C7 C12 C16 114.073
H8 C10 H9 106.523 H8 C10 C12 112.019
H9 C10 C12 111.121 C10 C12 H11 107.475
C10 C12 C16 114.075 H11 C12 C16 108.544
C12 C16 H13 111.310 C12 C16 H14 111.310
C12 C16 H15 110.741 H13 C16 H14 107.743
H13 C16 H15 107.788 H14 C16 H15 107.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.148      
2 C -0.076      
3 H 0.148      
4 C -0.076      
5 H 0.140      
6 H 0.135      
7 C -0.386      
8 H 0.135      
9 H 0.140      
10 C -0.386      
11 H 0.134      
12 C 0.069      
13 H 0.146      
14 H 0.146      
15 H 0.142      
16 C -0.558      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.243 0.000 0.037 0.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.801 0.000 0.504
y 0.000 -37.466 -0.000
z 0.504 -0.000 -39.771
Traceless
 xyz
x -0.182 0.000 0.504
y 0.000 1.819 -0.000
z 0.504 -0.000 -1.637
Polar
3z2-r2-3.275
x2-y2-1.334
xy0.000
xz0.504
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.541 -0.003 0.093
y -0.003 11.230 -0.001
z 0.093 -0.001 7.693


<r2> (average value of r2) Å2
<r2> 139.334
(<r2>)1/2 11.804