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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: QCISD/6-311G*

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 QCISD/6-311G*
 hartrees
Energy at 0K-498.112920
Energy at 298.15K-498.112786
HF Energy-497.831565
Nuclear repulsion energy38.411741
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 QCISD/6-311G*
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' 2913 2789 93.19      
2 A' 1270 1216 4.55      
3 A' 820 785 105.35      

Unscaled Zero Point Vibrational Energy (zpe) 2501.2 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 2394.6 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 QCISD/6-311G*
ABC
15.74693 0.59082 0.56946

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.202 0.000
Cl2 0.045 -0.509 0.000
H3 -1.042 1.444 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.71141.1144
Cl21.71142.2360
H31.11442.2360

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-498.110266
Energy at 298.15K-498.110122
HF Energy-497.857265
Nuclear repulsion energy38.691057
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 QCISD/6-311G*
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' 3203 3067 6.06      
2 A' 1011 968 1.52      
3 A' 893 855 45.38      

Unscaled Zero Point Vibrational Energy (zpe) 2553.4 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 2444.6 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 QCISD/6-311G*
ABC
24.96159 0.58536 0.57195

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.163 0.000
Cl2 0.037 -0.516 0.000
H3 -0.847 1.795 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67971.0866
Cl21.67972.4746
H31.08662.4746

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability