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

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-195.166314
Energy at 298.15K 
HF Energy-195.166314
Nuclear repulsion energy178.797041
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 B97D3/6-311G*
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' 3031 3031 0.00      
2 A1' 2984 2984 0.00      
3 A1' 1538 1538 0.00      
4 A1' 1096 1096 0.00      
5 A1' 886 886 0.00      
6 A1" 982 982 0.00      
7 A2' 3040 3040 0.00      
8 A2' 958 958 0.00      
9 A2" 3023 3023 205.08      
10 A2" 1220 1220 40.60      
11 A2" 832 832 4.75      
12 E' 3047 3047 101.51      
12 E' 3047 3047 101.51      
13 E' 2979 2979 111.39      
13 E' 2979 2979 111.42      
14 E' 1485 1485 0.08      
14 E' 1485 1485 0.08      
15 E' 1230 1230 2.20      
15 E' 1230 1230 2.20      
16 E' 1102 1102 0.11      
16 E' 1102 1102 0.11      
17 E' 885 885 0.38      
17 E' 885 885 0.39      
18 E' 540 540 0.26      
18 E' 540 540 0.26      
19 E" 1178 1178 0.00      
19 E" 1178 1178 0.00      
20 E" 1117 1117 0.00      
20 E" 1117 1117 0.00      
21 E" 999 999 0.00      
21 E" 999 999 0.00      
22 E" 764 764 0.00      
22 E" 764 764 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25118.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25118.7 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 B97D3/6-311G*
ABC
0.23951 0.23951 0.20672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.941
C2 0.000 1.243 0.000
C3 1.076 -0.622 0.000
C4 -1.076 -0.622 0.000
C5 0.000 0.000 -0.941
H6 0.000 0.000 2.038
H7 0.000 0.000 -2.038
H8 0.907 1.861 0.000
H9 -0.907 1.861 0.000
H10 1.158 -1.716 0.000
H11 2.065 -0.145 0.000
H12 -2.065 -0.145 0.000
H13 -1.158 -1.716 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.55891.55891.55891.88141.09712.97852.27422.27422.27422.27422.27422.2742
C21.55892.15302.15301.55892.38702.38701.09791.09793.17792.48852.48853.1779
C31.55892.15302.15301.55892.38702.38702.48853.17791.09791.09793.17792.4885
C41.55892.15302.15301.55892.38702.38703.17792.48852.48853.17791.09791.0979
C51.88141.55891.55891.55892.97851.09712.27422.27422.27422.27422.27422.2742
H61.09712.38702.38702.38702.97854.07562.90522.90522.90522.90522.90522.9052
H72.97852.38702.38702.38701.09714.07562.90522.90522.90522.90522.90522.9052
H82.27421.09792.48853.17792.27422.90522.90521.81463.58632.31643.58634.1310
H92.27421.09793.17792.48852.27422.90522.90521.81464.13103.58632.31643.5863
H102.27423.17791.09792.48852.27422.90522.90523.58634.13101.81463.58632.3164
H112.27422.48851.09793.17792.27422.90522.90522.31643.58631.81464.13103.5863
H122.27422.48853.17791.09792.27422.90522.90523.58632.31643.58634.13101.8146
H132.27423.17792.48851.09792.27422.90522.90524.13103.58632.31643.58631.8146

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 74.236 C1 C2 H8 116.678
C1 C2 H9 116.678 C1 C3 C5 74.236
C1 C3 H10 116.678 C1 C3 H11 116.678
C1 C4 C5 74.236 C1 C4 H12 116.678
C1 C4 H13 116.678 C2 C1 C3 87.349
C2 C1 C4 87.349 C2 C1 H6 127.118
C2 C5 C3 87.349 C2 C5 C4 87.349
C2 C5 H7 127.118 C3 C1 C4 87.349
C3 C1 H6 127.118 C3 C5 C4 87.349
C3 C5 H7 127.118 C4 C1 H6 127.118
C4 C5 H7 127.118 C5 C2 H8 116.678
C5 C2 H9 116.678 C5 C3 H10 116.678
C5 C3 H11 116.678 C5 C4 H12 116.678
C5 C4 H13 116.678 H8 C2 H9 111.465
H10 C3 H11 111.465 H12 C4 H13 111.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 C -0.355      
3 C -0.355      
4 C -0.355      
5 C -0.176      
6 H 0.150      
7 H 0.150      
8 H 0.187      
9 H 0.187      
10 H 0.187      
11 H 0.187      
12 H 0.187      
13 H 0.187      


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 -31.998 0.000 0.000
y 0.000 -31.998 0.000
z 0.000 0.000 -32.317
Traceless
 xyz
x 0.159 0.000 0.000
y 0.000 0.159 0.000
z 0.000 0.000 -0.319
Polar
3z2-r2-0.638
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 8.232 0.000 0.000
y 0.000 8.232 0.000
z 0.000 0.000 7.301


<r2> (average value of r2) Å2
<r2> 92.512
(<r2>)1/2 9.618