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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-233.230620
Energy at 298.15K-233.241760
Nuclear repulsion energy234.686800
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 B1B95/3-21G
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 3249 3108 22.74      
2 A 3219 3080 4.41      
3 A 3135 2999 50.95      
4 A 3130 2995 19.50      
5 A 3117 2982 11.68      
6 A 3112 2977 23.70      
7 A 3082 2948 5.79      
8 A 3057 2924 25.79      
9 A 3041 2910 29.07      
10 A 3041 2909 16.47      
11 A 1694 1620 1.01      
12 A 1562 1494 9.73      
13 A 1554 1487 4.05      
14 A 1532 1466 1.86      
15 A 1525 1459 3.49      
16 A 1452 1389 7.12      
17 A 1392 1331 0.60      
18 A 1376 1317 5.53      
19 A 1358 1299 0.10      
20 A 1318 1261 4.17      
21 A 1313 1256 7.66      
22 A 1277 1222 0.73      
23 A 1202 1150 0.86      
24 A 1172 1122 3.89      
25 A 1162 1112 0.10      
26 A 1125 1076 0.24      
27 A 1079 1032 1.02      
28 A 1004 961 6.66      
29 A 996 953 0.39      
30 A 979 937 1.58      
31 A 952 911 6.99      
32 A 923 883 4.69      
33 A 911 871 0.02      
34 A 829 793 2.40      
35 A 792 757 0.80      
36 A 719 688 48.35      
37 A 579 553 5.33      
38 A 415 397 1.51      
39 A 393 376 0.10      
40 A 318 305 0.18      
41 A 254 243 0.03      
42 A 95 90 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 32215.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30820.7 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 B1B95/3-21G
ABC
0.22458 0.10612 0.07848

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.435 1.294 -0.126
C2 1.556 0.667 -0.061
H3 2.435 -1.294 -0.126
C4 1.556 -0.667 -0.061
H5 -0.155 1.576 -1.014
H6 0.039 2.066 0.681
C7 0.148 1.229 -0.016
H8 0.040 -2.066 0.681
H9 -0.155 -1.576 -1.014
C10 0.148 -1.229 -0.016
H11 -0.764 -0.000 1.506
C12 -0.707 -0.000 0.412
H13 -2.674 0.886 0.127
H14 -2.674 -0.886 0.127
H15 -2.051 -0.000 -1.280
C16 -2.113 -0.000 -0.186

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08222.58852.15002.75292.64302.29084.20483.96723.40773.81773.44035.13185.56104.80924.7292
C21.08222.15001.33332.15952.19271.51693.21202.97772.36212.87822.40574.24004.51013.86483.7311
H32.58852.15001.08223.96724.20493.40772.64292.75292.29083.81773.44035.56105.13184.80924.7292
C42.15001.33331.08222.97773.21202.36212.19262.15961.51692.87812.40574.51014.24003.86483.7311
H52.75292.15953.96722.97771.77491.09944.02193.15242.99333.03432.19592.84993.70282.47942.6463
H62.64302.19274.20493.21201.77491.09404.13204.02203.37002.36562.21303.01054.04823.53283.1071
C72.29081.51693.40772.36211.09941.09403.37002.99332.45882.15871.55722.84653.53012.81822.5793
H84.20483.21202.64292.19264.02194.13203.37001.77491.09402.36552.21304.04823.01053.53283.1071
H93.96722.97772.75292.15963.15244.02202.99331.77491.09943.03432.19603.70282.85002.47942.6463
C103.40772.36212.29081.51692.99333.37002.45881.09401.09942.15871.55723.53012.84652.81822.5793
H113.81772.87823.81772.87813.03432.36562.15872.36553.03432.15871.09572.51732.51733.06852.1641
C123.44032.40573.44032.40572.19592.21301.55722.21302.19601.55721.09572.17672.17672.16061.5283
H135.13184.24005.56104.51012.84993.01052.84654.04823.70283.53012.51732.17671.77281.77551.0947
H145.56104.51015.13184.24003.70284.04823.53013.01052.85002.84652.51732.17671.77281.77551.0947
H154.80923.86484.80923.86482.47943.53282.81823.53282.47942.81823.06852.16061.77551.77551.0953
C164.72923.73114.72923.73112.64633.10712.57933.10712.64632.57932.16411.52831.09471.09471.0953

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 125.444 H1 C2 C7 122.737
C2 C4 H3 125.444 C2 C4 C10 111.776
C2 C7 H5 110.238 C2 C7 H6 113.242
C2 C7 C12 102.987 H3 C4 C10 122.736
C4 C2 C7 111.775 C4 C10 H8 113.240
C4 C10 H9 110.241 C4 C10 C12 102.986
H5 C7 H6 108.034 H5 C7 C12 110.313
H6 C7 C12 111.990 C7 C12 C10 104.277
C7 C12 H11 107.649 C7 C12 C16 113.422
H8 C10 H9 108.034 H8 C10 C12 111.988
H9 C10 C12 110.314 C10 C12 H11 107.649
C10 C12 C16 113.422 H11 C12 C16 110.033
C12 C16 H13 111.090 C12 C16 H14 111.090
C12 C16 H15 109.775 H13 C16 H14 108.131
H13 C16 H15 108.332 H14 C16 H15 108.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.198      
2 C -0.188      
3 H 0.198      
4 C -0.188      
5 H 0.217      
6 H 0.212      
7 C -0.431      
8 H 0.212      
9 H 0.217      
10 C -0.431      
11 H 0.224      
12 C -0.267      
13 H 0.204      
14 H 0.204      
15 H 0.201      
16 C -0.584      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.204 0.000 -0.020 0.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.474 0.000 -0.350
y 0.000 -36.558 0.000
z -0.350 0.000 -39.217
Traceless
 xyz
x 0.413 0.000 -0.350
y 0.000 1.787 0.000
z -0.350 0.000 -2.200
Polar
3z2-r2-4.401
x2-y2-0.916
xy0.000
xz-0.350
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.963 0.000 -0.050
y 0.000 9.530 0.000
z -0.050 0.000 6.169


<r2> (average value of r2) Å2
<r2> 163.806
(<r2>)1/2 12.799