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All results from a given calculation for C5H8 (Bicyclo[1.1.1]pentane)

using model chemistry: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-195.169589
Energy at 298.15K 
HF Energy-195.169589
Nuclear repulsion energy177.683593
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/SDD
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' 3210 3210 0.00      
2 A1' 3103 3103 0.00      
3 A1' 1584 1584 0.00      
4 A1' 1174 1174 0.00      
5 A1' 933 933 0.00      
6 A1" 1014 1014 0.00      
7 A2' 3174 3174 0.00      
8 A2' 977 977 0.00      
9 A2" 3197 3197 118.73      
10 A2" 1286 1286 51.00      
11 A2" 867 867 14.13      
12 E' 3185 3185 80.81      
12 E' 3185 3185 80.91      
13 E' 3098 3098 105.58      
13 E' 3098 3098 105.50      
14 E' 1536 1536 4.39      
14 E' 1536 1536 4.38      
15 E' 1276 1276 1.45      
15 E' 1276 1276 1.45      
16 E' 1127 1127 0.10      
16 E' 1127 1127 0.10      
17 E' 916 916 4.40      
17 E' 916 916 4.40      
18 E' 560 560 0.71      
18 E' 560 560 0.70      
19 E" 1251 1251 0.00      
19 E" 1251 1251 0.00      
20 E" 1175 1175 0.00      
20 E" 1175 1175 0.00      
21 E" 1054 1054 0.00      
21 E" 1054 1054 0.00      
22 E" 809 809 0.00      
22 E" 809 809 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26245.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26245.8 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/SDD
ABC
0.23570 0.23570 0.20460

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.956
C2 0.000 1.251 0.000
C3 1.084 -0.626 0.000
C4 -1.084 -0.626 0.000
C5 0.000 0.000 -0.956
H6 0.000 0.000 2.043
H7 0.000 0.000 -2.043
H8 0.903 1.867 0.000
H9 -0.903 1.867 0.000
H10 1.165 -1.716 0.000
H11 2.069 -0.151 0.000
H12 -2.069 -0.151 0.000
H13 -1.165 -1.716 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.57451.57451.57451.91121.08722.99842.28382.28382.28382.28382.28382.2838
C21.57452.16752.16751.57452.39562.39561.09341.09343.18802.49942.49943.1880
C31.57452.16752.16751.57452.39562.39562.49943.18801.09341.09343.18802.4994
C41.57452.16752.16751.57452.39562.39563.18802.49942.49943.18801.09341.0934
C51.91121.57451.57451.57452.99841.08722.28382.28382.28382.28382.28382.2838
H61.08722.39562.39562.39562.99844.08552.91132.91132.91132.91132.91132.9113
H72.99842.39562.39562.39561.08724.08552.91132.91132.91132.91132.91132.9113
H82.28381.09342.49943.18802.28382.91132.91131.80693.59272.33063.59274.1375
H92.28381.09343.18802.49942.28382.91132.91131.80694.13753.59272.33063.5927
H102.28383.18801.09342.49942.28382.91132.91133.59274.13751.80693.59272.3306
H112.28382.49941.09343.18802.28382.91132.91132.33063.59271.80694.13753.5927
H122.28382.49943.18801.09342.28382.91132.91133.59272.33063.59274.13751.8069
H132.28383.18802.49941.09342.28382.91132.91134.13753.59272.33063.59271.8069

picture of Bicyclo[1.1.1]pentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 74.732 C1 C2 H8 116.591
C1 C2 H9 116.591 C1 C3 C5 74.732
C1 C3 H10 116.591 C1 C3 H11 116.591
C1 C4 C5 74.732 C1 C4 H12 116.591
C1 C4 H13 116.591 C2 C1 C3 86.991
C2 C1 C4 86.991 C2 C1 H6 127.366
C2 C5 C3 86.991 C2 C5 C4 86.991
C2 C5 H7 127.366 C3 C1 C4 86.991
C3 C1 H6 127.366 C3 C5 C4 86.991
C3 C5 H7 127.366 C4 C1 H6 127.366
C4 C5 H7 127.366 C5 C2 H8 116.591
C5 C2 H9 116.591 C5 C3 H10 116.591
C5 C3 H11 116.591 C5 C4 H12 116.591
C5 C4 H13 116.591 H8 C2 H9 111.446
H10 C3 H11 111.446 H12 C4 H13 111.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.207      
2 C -0.423      
3 C -0.423      
4 C -0.423      
5 C -0.207      
6 H 0.224      
7 H 0.224      
8 H 0.206      
9 H 0.206      
10 H 0.206      
11 H 0.206      
12 H 0.206      
13 H 0.206      


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 -31.231 0.000 0.000
y 0.000 -31.231 0.000
z 0.000 0.000 -31.869
Traceless
 xyz
x 0.319 0.000 0.000
y 0.000 0.319 0.000
z 0.000 0.000 -0.638
Polar
3z2-r2-1.276
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 7.247 0.000 0.000
y 0.000 7.246 0.000
z 0.000 0.000 6.602


<r2> (average value of r2) Å2
<r2> 92.946
(<r2>)1/2 9.641