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

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-265.527386
Energy at 298.15K 
HF Energy-264.534079
Nuclear repulsion energy145.331835
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 CCSD=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.493 0.000
C2 -0.234 -0.936 0.000
C3 -0.469 -2.112 0.000
O4 1.307 0.776 0.000
O5 -0.867 1.317 0.000
H6 -0.677 -3.148 0.000
H7 1.373 1.737 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7
C11.44822.64641.33751.19603.70291.8528
C21.44821.19862.30412.34032.25523.1194
C32.64641.19863.39043.45181.05664.2670
O41.33752.30413.39042.24004.39690.9633
O51.19602.34033.45182.24004.46892.2782
H63.70292.25521.05664.39694.46895.2975
H71.85283.11944.26700.96332.27825.2975

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 178.025 C1 O4 H7 106.130
C2 C1 O4 111.549 C2 C1 O5 124.255
C2 C3 H6 179.960 O4 C1 O5 124.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability