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

using model chemistry: CCD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-194.862862
Energy at 298.15K 
HF Energy-193.970394
Nuclear repulsion energy179.728184
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 CCD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/aug-cc-pVTZ
ABC
0.24177 0.24177 0.20921

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.939
C2 0.000 1.236 0.000
C3 1.071 -0.618 0.000
C4 -1.071 -0.618 0.000
C5 0.000 0.000 -0.939
H6 0.000 0.000 2.026
H7 0.000 0.000 -2.026
H8 0.903 1.846 0.000
H9 -0.903 1.846 0.000
H10 1.147 -1.705 0.000
H11 2.050 -0.141 0.000
H12 -2.050 -0.141 0.000
H13 -1.147 -1.705 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.55261.55261.55261.87811.08712.96522.25962.25962.25962.25962.25962.2596
C21.55262.14152.14151.55262.37362.37361.08991.08993.15752.46992.46993.1575
C31.55262.14152.14151.55262.37362.37362.46993.15751.08991.08993.15752.4699
C41.55262.14152.14151.55262.37362.37363.15752.46992.46993.15751.08991.0899
C51.87811.55261.55261.55262.96521.08712.25962.25962.25962.25962.25962.2596
H61.08712.37362.37362.37362.96524.05222.88602.88602.88602.88602.88602.8860
H72.96522.37362.37362.37361.08714.05222.88602.88602.88602.88602.88602.8860
H82.25961.08992.46993.15752.25962.88602.88601.80683.55982.29403.55984.1009
H92.25961.08993.15752.46992.25962.88602.88601.80684.10093.55982.29403.5598
H102.25963.15751.08992.46992.25962.88602.88603.55984.10091.80683.55982.2941
H112.25962.46991.08993.15752.25962.88602.88602.29403.55981.80684.10093.5598
H122.25962.46993.15751.08992.25962.88602.88603.55982.29403.55984.10091.8068
H132.25963.15752.46991.08992.25962.88602.88604.10093.55982.29413.55981.8068

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 74.433 C1 C2 H8 116.453
C1 C2 H9 116.453 C1 C3 C5 74.433
C1 C3 H10 116.453 C1 C3 H11 116.453
C1 C4 C5 74.433 C1 C4 H12 116.453
C1 C4 H13 116.453 C2 C1 C3 87.207
C2 C1 C4 87.207 C2 C1 H6 127.217
C2 C5 C3 87.207 C2 C5 C4 87.207
C2 C5 H7 127.217 C3 C1 C4 87.207
C3 C1 H6 127.217 C3 C5 C4 87.207
C3 C5 H7 127.217 C4 C1 H6 127.217
C4 C5 H7 127.217 C5 C2 H8 116.453
C5 C2 H9 116.453 C5 C3 H10 116.453
C5 C3 H11 116.453 C5 C4 H12 116.453
C5 C4 H13 116.453 H8 C2 H9 111.975
H10 C3 H11 111.975 H12 C4 H13 111.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability