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All results from a given calculation for C3H3 (cyclopropenyl radical)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 2A'

Conformer 1 (D3H)

Jump to S1C2
Vibrational Frequencies calculated at MP2=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-115.728987
Energy at 298.15K-115.730748
HF Energy-115.234628
Nuclear repulsion energy58.231953
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
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3356 3186 1.11      
2 A' 3156 2997 39.54      
3 A' 1641 1558 0.67      
4 A' 1266 1202 6.70      
5 A' 1009 958 18.87      
6 A' 936 888 5.87      
7 A' 619 588 64.68      
8 A" 3704 3517 9634.81      
9 A" 2721 2583 6416.29      
10 A" 1016 964 17.27      
11 A" 999 949 0.02      
12 A" 885 840 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 10654.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 10115.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
ABC
1.06610 0.90275 0.50297

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.036 0.881 0.000
H2 0.730 1.644 0.000
C3 -0.036 -0.416 0.657
C4 -0.036 -0.416 -0.657
H5 -0.039 -0.973 1.570
H6 -0.039 -0.973 -1.570

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6
C11.08061.45401.45402.42952.4295
H21.08062.29332.29333.14683.1468
C31.45402.29331.31421.06932.2954
C41.45402.29331.31422.29541.0693
H52.42953.14681.06932.29543.1392
H62.42953.14682.29541.06933.1392

picture of cyclopropenyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 63.133 C1 C3 H5 148.284
C1 C4 C3 63.133 C1 C4 H6 148.284
H2 C1 C3 128.997 H2 C1 C4 128.997
C3 C1 C4 53.734 C3 C4 H6 148.582
C4 C3 H5 148.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability