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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-498.074462
Energy at 298.15K-498.074339
HF Energy-497.826919
Nuclear repulsion energy38.515638
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/cc-pVDZ
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' 2979 2837 91.86      
2 A' 1246 1186 6.62      
3 A' 855 814 111.49      

Unscaled Zero Point Vibrational Energy (zpe) 2539.7 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 2419.1 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 MP2/cc-pVDZ
ABC
15.42263 0.59544 0.57331

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.199 0.000
Cl2 0.046 -0.507 0.000
H3 -1.053 1.427 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70591.1219
Cl21.70592.2246
H31.12192.2246

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-498.074308
Energy at 298.15K-498.074170
HF Energy-497.851441
Nuclear repulsion energy38.605618
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/cc-pVDZ
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' 3261 3106 7.94      
2 A' 1015 967 1.07      
3 A' 905 862 54.18      

Unscaled Zero Point Vibrational Energy (zpe) 2590.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 2467.1 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 MP2/cc-pVDZ
ABC
24.69130 0.58314 0.56968

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.165 0.000
Cl2 0.037 -0.517 0.000
H3 -0.852 1.803 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.68231.0947
Cl21.68232.4851
H31.09472.4851

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability