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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: CCSD/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at CCSD/daug-cc-pVTZ
 hartrees
Energy at 0K-116.381169
Energy at 298.15K 
HF Energy-115.866152
Nuclear repulsion energy63.862160
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/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD/daug-cc-pVTZ
ABC
1.00728 0.73198 0.46299

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.863
C2 0.000 0.647 -0.500
C3 0.000 -0.647 -0.500
H4 0.000 1.576 -1.038
H5 0.000 -1.576 -1.038
H6 0.912 0.000 1.453
H7 -0.912 0.000 1.453

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50901.50902.46972.46971.08641.0864
C21.50901.29411.07392.28772.25072.2507
C31.50901.29412.28771.07392.25072.2507
H42.46971.07392.28773.15293.08593.0859
H52.46972.28771.07393.15293.08593.0859
H61.08642.25072.25073.08593.08591.8247
H71.08642.25072.25073.08593.08591.8247

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.608 C1 C2 H4 145.456
C1 C3 C2 64.608 C1 C3 H5 145.456
C2 C1 C3 50.784 C2 C1 H6 119.372
C2 C1 H7 119.372 C2 C3 H5 149.936
C3 C1 H6 119.372 C3 C1 H7 119.372
C3 C2 H4 149.936 H6 C1 H7 114.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability