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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
2 1 yes CS 3A"

State 1 (1A')

Jump to S2C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-497.879930
Energy at 298.15K-497.879719
HF Energy-497.748745
Nuclear repulsion energy35.778349
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 CISD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2852 2674 110.49      
2 A' 1228 1151 8.89      
3 A' 642 602 123.78      

Unscaled Zero Point Vibrational Energy (zpe) 2360.6 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 2213.7 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 CISD/6-31G
ABC
15.17069 0.50630 0.48995

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.304 0.000
Cl2 0.046 -0.550 0.000
H3 -1.059 1.517 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.85371.1255
Cl21.85372.3434
H31.12552.3434

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 100.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-497.893479
Energy at 298.15K-497.893287
HF Energy-497.785368
Nuclear repulsion energy36.654798
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 CISD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 989 927 1.14      
2 A' 756 709 37.43      
3 A' 3231 3030 3.16      

Unscaled Zero Point Vibrational Energy (zpe) 2487.8 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 2333.1 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 CISD/6-31G
ABC
24.06267 0.52173 0.51065

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.239 0.000
Cl2 0.037 -0.546 0.000
H3 -0.860 1.856 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.78551.0889
Cl21.78552.5643
H31.08892.5643

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 124.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability