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All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: wB97X-D/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-196.515210
Energy at 298.15K 
HF Energy-196.515210
Nuclear repulsion energy187.700426
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-pVDZ
Rotational Constants (cm-1) from geometry optimized at wB97X-D/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.037 -0.707 0.256
C2 -0.395 1.227 0.126
C3 -1.303 -0.027 0.015
C4 -0.346 -1.235 -0.155
C5 1.017 0.741 -0.242
H6 -0.394 1.602 1.156
H7 -0.734 2.048 -0.512
H8 -1.991 0.050 -0.832
H9 -1.920 -0.138 0.912
H10 -0.317 -1.546 -1.206
H11 -0.659 -2.105 0.429
H12 1.859 -1.298 -0.159
H13 1.138 -0.721 1.349
H14 1.152 0.756 -1.332
H15 1.806 1.361 0.195

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C12.40992.44861.53611.53222.86173.36423.30553.08182.16202.20421.09441.09762.16202.2079
C22.40991.55272.47821.53821.09581.09392.20282.19273.07703.35613.39652.76432.17702.2061
C32.44861.55271.55012.45822.18652.21541.09411.09432.18362.21433.41272.86742.90753.4101
C41.53612.47821.55012.40243.12523.32462.19442.19541.09621.09402.20652.17482.75473.3902
C51.53221.53822.45822.40242.16552.20183.14293.27662.81783.37092.20742.16491.09751.0943
H62.86171.09582.18653.12522.16551.75992.98482.32683.93573.78643.90062.78983.04872.4135
H73.36421.09392.21543.32462.20181.75992.38192.86603.68344.25884.24773.82602.42862.7249
H83.30552.20281.09412.19443.14292.98482.38191.75582.34262.83024.13483.89183.25974.1466
H93.08182.19271.09432.19543.27662.32682.86601.75583.00612.38584.09613.14413.90764.0802
H102.16203.07702.18361.09622.81783.93573.68342.34263.00611.76182.42823.05402.73303.8628
H112.20423.35612.21431.09403.37093.78644.25882.83022.38581.76182.70952.44763.81604.2598
H121.09443.39653.41272.20652.20743.90064.24774.13484.09612.42822.70951.76822.46792.6826
H131.09762.76432.86742.17482.16492.78983.82603.89183.14413.05402.44761.76823.06052.4728
H142.16202.17702.90752.75471.09753.04872.42863.25973.90762.73303.81602.46793.06051.7677
H152.20792.20613.41013.39021.09432.41352.72494.14664.08023.86284.25982.68262.47281.7677

picture of Cyclopentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 105.010 C1 C4 H10 109.298
C1 C4 H11 112.797 C1 C5 C2 103.418
C1 C5 H14 109.491 C1 C5 H15 113.353
C2 C3 C4 106.010 C2 C3 H8 111.481
C2 C3 H9 110.668 C2 C5 H14 110.253
C2 C5 H15 112.778 C3 C2 C5 105.365
C3 C2 H6 110.097 C3 C2 H7 112.512
C3 C4 H10 110.024 C3 C4 H11 112.595
C4 C1 C5 103.069 C4 C1 H12 112.958
C4 C1 H13 110.222 C4 C3 H8 110.993
C4 C3 H9 111.058 C5 C1 H12 113.314
C5 C1 H13 109.703 C5 C2 H6 109.449
C5 C2 H7 112.448 H6 C2 H7 106.977
H8 C3 H9 106.702 H10 C4 H11 107.106
H12 C1 H13 107.541 H14 C5 H15 107.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 C -0.312      
3 C -0.321      
4 C -0.301      
5 C -0.296      
6 H 0.154      
7 H 0.153      
8 H 0.152      
9 H 0.154      
10 H 0.154      
11 H 0.150      
12 H 0.150      
13 H 0.154      
14 H 0.153      
15 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.012 -0.002 -0.004 0.013
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.798 0.019 0.002
y 0.019 -33.786 0.038
z 0.002 0.038 -32.596
Traceless
 xyz
x -0.607 0.019 0.002
y 0.019 -0.589 0.038
z 0.002 0.038 1.196
Polar
3z2-r22.393
x2-y2-0.012
xy0.019
xz0.002
yz0.038


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


<r2> (average value of r2) Å2
<r2> 115.457
(<r2>)1/2 10.745