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

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-233.053676
Energy at 298.15K-233.065192
Nuclear repulsion energy235.790354
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 HF/6-311G*
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 3360 3038 42.00      
2 A 3332 3013 17.51      
3 A 3229 2920 129.46      
4 A 3224 2916 55.64      
5 A 3207 2901 31.37      
6 A 3200 2894 58.45      
7 A 3171 2868 13.38      
8 A 3170 2867 65.94      
9 A 3154 2853 59.95      
10 A 3153 2852 22.68      
11 A 1829 1654 3.08      
12 A 1637 1481 3.90      
13 A 1632 1476 1.91      
14 A 1631 1475 3.36      
15 A 1626 1470 1.21      
16 A 1552 1403 3.15      
17 A 1515 1370 2.20      
18 A 1502 1358 0.73      
19 A 1468 1328 3.93      
20 A 1433 1296 0.19      
21 A 1422 1286 4.17      
22 A 1354 1225 0.44      
23 A 1278 1156 0.96      
24 A 1254 1134 1.48      
25 A 1226 1109 0.33      
26 A 1203 1088 5.17      
27 A 1146 1037 2.69      
28 A 1086 982 0.78      
29 A 1063 961 5.16      
30 A 1034 936 1.76      
31 A 1012 915 5.90      
32 A 991 896 2.23      
33 A 976 883 3.16      
34 A 878 794 1.36      
35 A 834 754 0.71      
36 A 775 701 44.78      
37 A 612 553 3.04      
38 A 457 413 0.75      
39 A 429 388 0.01      
40 A 334 302 0.03      
41 A 269 243 0.01      
42 A 122 110 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 33889.3 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 30649.5 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 HF/6-311G*
ABC
0.22813 0.10636 0.07870

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.432 -1.276 -0.125
C2 -1.552 -0.659 -0.060
H3 -2.432 1.276 -0.125
C4 -1.552 0.659 -0.060
H5 0.134 -1.611 -0.990
H6 -0.047 -2.044 0.689
C7 -0.152 -1.223 -0.013
H8 -0.046 2.045 0.688
H9 0.134 1.610 -0.991
C10 -0.152 1.223 -0.013
H11 0.769 0.000 1.474
C12 0.704 0.000 0.388
H13 2.673 -0.876 0.142
H14 2.673 0.876 0.142
H15 2.104 -0.000 -1.267
C16 2.117 -0.000 -0.181

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.07582.55192.12652.72792.63472.28244.16963.95683.38393.79863.42355.12715.54574.84744.7247
C21.07582.12651.31842.14822.17911.50993.18512.97592.34612.85962.39284.23574.49983.90603.7304
H32.55192.12651.07593.95824.16853.38392.63552.72822.28283.79843.42365.54605.12694.84794.7249
C42.12651.31841.07592.97723.18432.34612.17992.14771.51012.85962.39284.50014.23553.90623.7305
H52.72792.14823.95822.97721.74361.08964.02733.22093.01133.01172.19572.87573.73002.55962.6806
H62.63472.17914.16853.18431.74361.08624.08994.02583.34352.33702.19853.01024.02793.55363.1015
C72.28241.50993.38392.34611.08961.08623.34423.00992.44542.13441.54572.85083.52282.85592.5836
H84.16963.18512.63552.17994.02734.08993.34421.74361.08612.33752.19874.02763.00913.55333.1010
H93.95682.97592.72822.14773.22094.02583.00991.74361.08973.01112.19483.72922.87502.55892.6798
C103.38392.34612.28281.51013.01133.34352.44541.08611.08972.13391.54543.52262.85022.85602.5834
H113.79862.85963.79842.85963.01172.33702.13442.33753.01112.13391.08722.48292.48293.04822.1340
C123.42352.39283.42362.39282.19572.19851.54572.19872.19481.54541.08722.16932.16922.16801.5240
H135.12714.23575.54604.50012.87573.01022.85084.02763.72923.52262.48292.16931.75171.75371.0861
H145.54574.49985.12694.23553.73004.02793.52283.00912.87502.85022.48292.16921.75171.75371.0861
H154.84743.90604.84793.90622.55963.55362.85593.55332.55892.85603.04822.16801.75371.75371.0864
C164.72473.73044.72493.73052.68063.10152.58363.10102.67982.58342.13401.52401.08611.08611.0864

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 124.980 H1 C2 C7 123.059
C2 C4 H3 124.977 C2 C4 C10 111.905
C2 C7 H5 110.411 C2 C7 H6 113.136
C2 C7 C12 103.079 H3 C4 C10 123.077
C4 C2 C7 111.919 C4 C10 H8 113.191
C4 C10 H9 110.354 C4 C10 C12 103.085
H5 C7 H6 106.518 H5 C7 C12 111.686
H6 C7 C12 112.121 C7 C12 C10 104.578
C7 C12 H11 107.031 C7 C12 C16 114.626
H8 C10 H9 106.523 H8 C10 C12 112.164
H9 C10 C12 111.631 C10 C12 H11 107.015
C10 C12 C16 114.627 H11 C12 C16 108.464
C12 C16 H13 111.324 C12 C16 H14 111.317
C12 C16 H15 111.201 H13 C16 H14 107.500
H13 C16 H15 107.654 H14 C16 H15 107.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.207 0.144   0.165
2 C -0.210 -0.293   -0.291
3 H 0.207 0.144   0.165
4 C -0.211 -0.294   -0.289
5 H 0.208 -0.042   0.028
6 H 0.214 -0.057   0.002
7 C -0.411 0.243   0.065
8 H 0.214 -0.057   0.002
9 H 0.208 -0.042   0.028
10 C -0.411 0.244   0.063
11 H 0.208 -0.043   0.009
12 C -0.241 0.185   0.216
13 H 0.208 0.066   0.114
14 H 0.208 0.066   0.114
15 H 0.201 0.069   0.127
16 C -0.599 -0.334   -0.518


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.129 0.000 0.022 0.131
CHELPG        
AIM        
ESP 0.118 -0.002 0.007 0.118


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.855 0.000 0.450
y 0.000 -37.566 0.002
z 0.450 0.002 -39.903
Traceless
 xyz
x -0.121 0.000 0.450
y 0.000 1.813 0.002
z 0.450 0.002 -1.692
Polar
3z2-r2-3.384
x2-y2-1.289
xy0.000
xz0.450
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.481 0.000 0.047
y 0.000 10.320 0.000
z 0.047 0.000 7.008


<r2> (average value of r2) Å2
<r2> 163.856
(<r2>)1/2 12.801