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All results from a given calculation for C3H2O2 (Propiolic acid)

using model chemistry: QCISD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-265.501587
Energy at 298.15K 
HF Energy-264.530893
Nuclear repulsion energy144.204077
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 QCISD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.495 0.000
C2 -0.233 -0.941 0.000
C3 -0.474 -2.128 0.000
O4 1.319 0.781 0.000
O5 -0.875 1.327 0.000
H6 -0.686 -3.170 0.000
H7 1.373 1.748 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.45522.66561.34941.20683.72931.8590
C21.45521.21092.31842.35682.27473.1328
C32.66561.21093.41693.47801.06384.2938
O41.34942.31843.41692.26024.43080.9688
O51.20682.35683.47802.26024.50122.2869
H63.72932.27471.06384.43084.50125.3323
H71.85903.13284.29380.96882.28695.3323

picture of Propiolic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 177.786 C1 O4 H7 105.442
C2 C1 O4 111.455 C2 C1 O5 124.327
C2 C3 H6 179.949 O4 C1 O5 124.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability