return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H10 (Cyclopentene, 1-methyl-)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-234.652611
Energy at 298.15K-234.663587
HF Energy-234.652611
Nuclear repulsion energy234.252607
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 wB97X-D/cc-pVTZ
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 3202 3061 17.56      
2 A 3131 2993 25.46      
3 A 3130 2992 39.77      
4 A 3094 2958 24.49      
5 A 3093 2957 46.40      
6 A 3083 2947 36.47      
7 A 3069 2934 10.45      
8 A 3040 2906 39.80      
9 A 3039 2905 53.89      
10 A 3029 2896 37.44      
11 A 1752 1675 4.27      
12 A 1519 1452 2.31      
13 A 1499 1433 9.07      
14 A 1496 1430 0.74      
15 A 1491 1426 1.44      
16 A 1488 1422 8.89      
17 A 1428 1365 3.09      
18 A 1377 1316 2.02      
19 A 1350 1290 1.32      
20 A 1336 1277 2.14      
21 A 1294 1237 1.51      
22 A 1258 1202 1.11      
23 A 1244 1189 1.19      
24 A 1181 1129 0.96      
25 A 1172 1120 1.25      
26 A 1098 1050 0.85      
27 A 1052 1006 2.35      
28 A 1038 992 6.87      
29 A 1034 988 5.27      
30 A 951 909 2.49      
31 A 927 886 0.83      
32 A 913 873 0.94      
33 A 886 847 0.46      
34 A 843 806 6.07      
35 A 811 775 9.37      
36 A 662 633 1.46      
37 A 584 559 0.06      
38 A 447 427 4.13      
39 A 325 311 0.60      
40 A 241 231 2.25      
41 A 185 177 0.78      
42 A 137 131 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 31963.2 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 30556.8 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 wB97X-D/cc-pVTZ
ABC
0.23447 0.10202 0.07557

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.752 0.073 0.001
H2 -0.348 2.166 -0.076
C3 0.022 1.151 -0.023
H4 -2.640 -0.446 0.859
H5 -2.588 -0.566 -0.890
H6 -2.673 1.025 -0.123
C7 -2.241 0.028 -0.041
H8 -0.022 -1.588 1.143
H9 -0.254 -1.969 -0.551
C10 0.075 -1.182 0.131
H11 1.734 -0.889 -1.214
H12 2.260 -1.224 0.429
C13 1.507 -0.706 -0.164
H14 1.859 1.061 1.087
H15 2.105 1.362 -0.621
C16 1.483 0.814 0.089

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.13271.32692.13782.13862.14691.49042.14392.17371.50852.93023.30702.39552.99583.19532.3567
H22.13271.08213.59893.62552.59022.85613.96044.16323.38063.86804.30683.41982.72882.63782.2824
C31.32691.08213.22743.24232.69982.52672.97663.17602.33782.91713.29382.38122.14812.17691.5036
H42.13783.59893.22741.75411.76841.09282.87053.16292.90584.86124.97994.27964.75115.28914.3801
H52.13863.62553.24231.75411.76851.09263.42952.74432.91734.34625.06644.16125.13195.08034.4089
H62.14692.59022.69981.76841.76851.08923.93113.87273.53294.92695.44874.52404.69094.81514.1669
C71.49042.85612.52671.09281.09261.08922.98972.86322.61864.24514.69533.82154.37694.58293.8090
H82.14393.96042.97662.87053.42953.93112.98971.75211.09533.02192.41832.19673.24994.04213.0243
H92.17374.16323.17603.16292.74433.87272.86321.75211.09222.35772.79822.20154.04124.08203.3424
C101.50853.38062.33782.90582.91733.53292.61861.09531.09222.15612.20521.53783.02163.34012.4430
H112.93023.86802.91714.86124.34624.92694.24513.02192.35772.15611.75711.09023.01882.35692.1588
H123.30704.30683.29384.97995.06645.44874.69532.41832.79822.20521.75711.08912.41202.79572.2073
C132.39553.41982.38124.27964.16124.52403.82152.19672.20151.53781.09021.08912.19332.20041.5406
H142.99582.72882.14814.75115.13194.69094.37693.24994.04123.02163.01882.41202.19331.75151.0947
H153.19532.63782.17695.28915.08034.81514.58294.04214.08203.34012.35692.79572.20041.75151.0912
C162.35672.28241.50364.38014.40894.16693.80903.02433.34242.44302.15882.20731.54061.09471.0912

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 124.262 C1 C3 C16 112.584
C1 C7 H4 110.759 C1 C7 H5 110.840
C1 C7 H6 111.714 C1 C10 H8 109.830
C1 C10 H9 112.420 C1 C10 C13 103.690
H2 C3 C16 123.111 C3 C1 C7 127.398
C3 C1 C10 110.915 C3 C16 C13 102.920
C3 C16 H14 110.546 C3 C16 H15 113.100
H4 C7 H5 106.767 H4 C7 H6 108.278
H5 C7 H6 108.305 C7 C1 C10 121.657
H8 C10 H9 106.449 H8 C10 C13 111.982
H9 C10 C13 112.564 C10 C13 H11 109.066
C10 C13 H12 113.063 C10 C13 C16 105.044
H11 C13 H12 107.466 H11 C13 C16 109.085
H12 C13 C16 113.031 C13 C16 H14 111.545
C13 C16 H15 112.333 H14 C16 H15 106.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.029      
2 H 0.121      
3 C -0.234      
4 H 0.086      
5 H 0.090      
6 H 0.089      
7 C -0.245      
8 H 0.087      
9 H 0.085      
10 C -0.154      
11 H 0.086      
12 H 0.086      
13 C -0.167      
14 H 0.083      
15 H 0.084      
16 C -0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.139 -0.214 0.065 0.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.338 0.166 0.090
y 0.166 -37.556 -0.075
z 0.090 -0.075 -38.731
Traceless
 xyz
x 0.806 0.166 0.090
y 0.166 0.478 -0.075
z 0.090 -0.075 -1.284
Polar
3z2-r2-2.568
x2-y20.218
xy0.166
xz0.090
yz-0.075


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.648 0.824 0.040
y 0.824 10.646 -0.081
z 0.040 -0.081 7.805


<r2> (average value of r2) Å2
<r2> 169.170
(<r2>)1/2 13.007