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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: MP2/6-31G

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 MP2/6-31G
 hartrees
Energy at 0K-497.863727
Energy at 298.15K-497.863528
HF Energy-497.749012
Nuclear repulsion energy36.005491
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 MP2/6-31G
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' 2893 2768 113.91      
2 A' 1236 1183 11.63      
3 A' 665 636 127.38      

Unscaled Zero Point Vibrational Energy (zpe) 2396.8 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 2293.2 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 MP2/6-31G
ABC
15.29170 0.51310 0.49644

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.295 0.000
Cl2 0.046 -0.546 0.000
H3 -1.055 1.512 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.84081.1223
Cl21.84082.3336
H31.12232.3336

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-497.879259
Energy at 298.15K-497.879080
HF Energy-497.785527
Nuclear repulsion energy36.788423
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 MP2/6-31G
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' 3274 3132 5.53      
2 A' 1019 975 1.11      
3 A' 774 741 44.94      

Unscaled Zero Point Vibrational Energy (zpe) 2533.5 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 2424.0 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 MP2/6-31G
ABC
24.13034 0.52566 0.51446

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.234 0.000
Cl2 0.037 -0.544 0.000
H3 -0.859 1.848 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.77891.0859
Cl21.77892.5544
H31.08592.5544

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 124.378
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability