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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-195.161240
Energy at 298.15K-195.169675
Nuclear repulsion energy168.765741
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 BLYP/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3046 3022 0.00      
2 A1 1468 1457 0.00      
3 A1 1043 1035 0.00      
4 A1 1023 1015 0.00      
5 A1 581 576 0.00      
6 A2 3117 3093 0.00      
7 A2 1141 1132 0.00      
8 A2 814 807 0.00      
9 B1 3116 3092 0.00      
10 B1 1152 1143 0.00      
11 B1 998 991 0.00      
12 B1 282 280 0.00      
13 B2 3044 3021 47.35      
14 B2 1521 1510 1.69      
15 B2 1402 1391 0.83      
16 B2 985 977 7.59      
17 B2 860 854 12.09      
18 E 3129 3105 31.77      
18 E 3129 3105 31.77      
19 E 3043 3019 29.82      
19 E 3043 3019 29.82      
20 E 1441 1430 0.03      
20 E 1441 1430 0.03      
21 E 1145 1136 1.99      
21 E 1145 1136 1.99      
22 E 1038 1030 1.50      
22 E 1038 1030 1.50      
23 E 857 850 3.74      
23 E 857 850 3.74      
24 E 766 761 0.31      
24 E 766 761 0.31      
25 E 295 292 0.24      
25 E 295 292 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 24510.1 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 24321.4 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 BLYP/6-31G**
ABC
0.34690 0.13640 0.13640

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.771 1.282
C3 0.000 -0.771 1.282
C4 -0.771 0.000 -1.282
C5 0.771 0.000 -1.282
H6 0.919 1.280 1.589
H7 -0.919 1.280 1.589
H8 -0.919 -1.280 1.589
H9 0.919 -1.280 1.589
H10 -1.280 -0.919 -1.589
H11 -1.280 0.919 -1.589
H12 1.280 0.919 -1.589
H13 1.280 -0.919 -1.589

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49651.49651.49651.49652.23832.23832.23832.23832.23832.23832.23832.2383
C21.49651.54302.78702.78701.09441.09442.26912.26913.56983.14773.14773.5698
C31.49651.54302.78702.78702.26912.26911.09441.09443.14773.56983.56983.1477
C41.49652.78702.78701.54303.56983.14773.14773.56981.09441.09442.26912.2691
C51.49652.78702.78701.54303.14773.56983.56983.14772.26912.26911.09441.0944
H62.23831.09442.26913.56983.14771.83783.15202.56084.44743.88243.21973.8824
H72.23831.09442.26913.14773.56981.83782.56083.15203.88243.21973.88244.4474
H82.23832.26911.09443.14773.56983.15202.56081.83783.21973.88244.44743.8824
H92.23832.26911.09443.56983.14772.56083.15201.83783.88244.44743.88243.2197
H102.23833.56983.14771.09442.26914.44743.88243.21973.88241.83783.15202.5608
H112.23833.14773.56981.09442.26913.88243.21973.88244.44741.83782.56083.1520
H122.23833.14773.56982.26911.09443.21973.88244.44743.88243.15202.56081.8378
H132.23833.56983.14772.26911.09443.88244.44743.88243.21972.56083.15201.8378

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.967 C1 C2 H6 118.701
C1 C2 H7 118.701 C1 C3 C2 58.967
C1 C3 H8 118.701 C1 C3 H9 118.701
C1 C4 C5 58.967 C1 C4 H10 118.701
C1 C4 H11 118.701 C1 C5 C4 58.967
C1 C5 H12 118.701 C1 C5 H13 118.701
C2 C1 C3 62.067 C2 C1 C4 137.241
C2 C1 C5 137.241 C2 C3 H8 117.712
C2 C3 H9 117.712 C3 C1 C4 137.241
C3 C1 C5 137.241 C3 C2 H6 117.712
C3 C2 H7 117.712 C4 C1 C5 62.067
C4 C5 H12 117.712 C4 C5 H13 117.712
C5 C4 H10 117.712 C5 C4 H11 117.712
H6 C2 H7 114.202 H8 C3 H9 114.202
H10 C4 H11 114.202 H12 C5 H13 114.202
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.082      
2 C -0.205      
3 C -0.205      
4 C -0.205      
5 C -0.205      
6 H 0.092      
7 H 0.092      
8 H 0.092      
9 H 0.092      
10 H 0.092      
11 H 0.092      
12 H 0.092      
13 H 0.092      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.576 0.000 0.000
y 0.000 -30.576 0.000
z 0.000 0.000 -32.306
Traceless
 xyz
x 0.865 0.000 0.000
y 0.000 0.865 0.000
z 0.000 0.000 -1.730
Polar
3z2-r2-3.460
x2-y20.000
xy0.000
xz0.000
yz0.000


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> 113.284
(<r2>)1/2 10.644