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All results from a given calculation for C6H2 (hexatriyne)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-229.241726
Energy at 298.15K 
HF Energy-228.249180
Nuclear repulsion energy143.679940
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 MP2=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
B
0.04423

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.613
C2 0.000 0.000 -0.613
C3 0.000 0.000 1.965
C4 0.000 0.000 -1.965
C5 0.000 0.000 3.183
C6 0.000 0.000 -3.183
H7 0.000 0.000 4.241
H8 0.000 0.000 -4.241

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8
C11.22551.35262.57802.57013.79563.62834.8538
C21.22552.57801.35263.79562.57014.85383.6283
C31.35262.57803.93061.21765.14822.27586.2064
C42.57801.35263.93065.14821.21766.20642.2758
C52.57013.79561.21765.14826.36571.05827.4239
C63.79562.57015.14821.21766.36577.42391.0582
H73.62834.85382.27586.20641.05827.42398.4821
H84.85383.62836.20642.27587.42391.05828.4821

picture of hexatriyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 180.000
C2 C1 C3 180.000 C2 C4 C6 180.000
C3 C5 H7 180.000 C4 C6 H8 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability