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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: CCSD=FULL/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=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-116.438792
Energy at 298.15K 
HF Energy-115.866640
Nuclear repulsion energy64.100094
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/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/daug-cc-pVTZ
ABC
1.01430 0.73777 0.46654

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.859
C2 0.000 0.645 -0.498
C3 0.000 -0.645 -0.498
H4 0.000 1.571 -1.034
H5 0.000 -1.571 -1.034
H6 0.910 0.000 1.447
H7 -0.910 0.000 1.447

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50311.50312.46032.46031.08271.0827
C21.50311.28941.07012.27982.24192.2419
C31.50311.28942.27981.07012.24192.2419
H42.46031.07012.27983.14263.07393.0739
H52.46032.27981.07013.14263.07393.0739
H61.08272.24192.24193.07393.07391.8194
H71.08272.24192.24193.07393.07391.8194

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.602 C1 C2 H4 145.416
C1 C3 C2 64.602 C1 C3 H5 145.416
C2 C1 C3 50.796 C2 C1 H6 119.332
C2 C1 H7 119.332 C2 C3 H5 149.982
C3 C1 H6 119.332 C3 C1 H7 119.332
C3 C2 H4 149.982 H6 C1 H7 114.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability