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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-194.936003
Energy at 298.15K 
HF Energy-193.969754
Nuclear repulsion energy180.448985
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 MP3=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVTZ
ABC
0.24369 0.24369 0.21067

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.935
C2 0.000 1.233 0.000
C3 1.068 -0.616 0.000
C4 -1.068 -0.616 0.000
C5 0.000 0.000 -0.935
H6 0.000 0.000 2.016
H7 0.000 0.000 -2.016
H8 0.898 1.839 0.000
H9 -0.898 1.839 0.000
H10 1.143 -1.697 0.000
H11 2.041 -0.141 0.000
H12 -2.041 -0.141 0.000
H13 -1.143 -1.697 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.54711.54711.54711.86991.08062.95052.24982.24982.24982.24982.24982.2498
C21.54712.13502.13501.54712.36262.36261.08371.08373.14502.46062.46063.1450
C31.54712.13502.13501.54712.36262.36262.46063.14501.08371.08373.14502.4606
C41.54712.13502.13501.54712.36262.36263.14502.46062.46063.14501.08371.0837
C51.86991.54711.54711.54712.95051.08062.24982.24982.24982.24982.24982.2498
H61.08062.36262.36262.36262.95054.03112.87222.87222.87222.87222.87222.8722
H72.95052.36262.36262.36261.08064.03112.87222.87222.87222.87222.87222.8722
H82.24981.08372.46063.14502.24982.87222.87221.79693.54432.28593.54434.0829
H92.24981.08373.14502.46062.24982.87222.87221.79694.08293.54432.28593.5443
H102.24983.14501.08372.46062.24982.87222.87223.54434.08291.79693.54432.2859
H112.24982.46061.08373.14502.24982.87222.87222.28593.54431.79694.08293.5443
H122.24982.46063.14501.08372.24982.87222.87223.54432.28593.54434.08291.7969
H132.24983.14502.46061.08372.24982.87222.87224.08293.54432.28593.54431.7969

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 74.360 C1 C2 H8 116.452
C1 C2 H9 116.452 C1 C3 C5 74.360
C1 C3 H10 116.452 C1 C3 H11 116.452
C1 C4 C5 74.360 C1 C4 H12 116.452
C1 C4 H13 116.452 C2 C1 C3 87.260
C2 C1 C4 87.260 C2 C1 H6 127.180
C2 C5 C3 87.260 C2 C5 C4 87.260
C2 C5 H7 127.180 C3 C1 C4 87.260
C3 C1 H6 127.180 C3 C5 C4 87.260
C3 C5 H7 127.180 C4 C1 H6 127.180
C4 C5 H7 127.180 C5 C2 H8 116.452
C5 C2 H9 116.452 C5 C3 H10 116.452
C5 C3 H11 116.452 C5 C4 H12 116.452
C5 C4 H13 116.452 H8 C2 H9 112.015
H10 C3 H11 112.015 H12 C4 H13 112.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability