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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-497.890538
Energy at 298.15K-497.890307
HF Energy-497.748092
Nuclear repulsion energy35.454343
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/6-31G
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' 2773 2672 130.34      
2 A' 1202 1158 8.14      
3 A' 611 589 91.71      

Unscaled Zero Point Vibrational Energy (zpe) 2292.6 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 2209.1 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 QCISD/6-31G
ABC
14.90250 0.49696 0.48092

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.318 0.000
Cl2 0.046 -0.554 0.000
H3 -1.068 1.520 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.87211.1327
Cl21.87212.3551
H31.13272.3551

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 100.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-497.899332
Energy at 298.15K-497.899134
HF Energy-497.785211
Nuclear repulsion energy36.558594
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/6-31G
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' 3198 3082 3.99      
2 A' 978 942 0.60      
3 A' 744 717 34.58      

Unscaled Zero Point Vibrational Energy (zpe) 2459.9 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 2370.4 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/6-31G
ABC
23.78925 0.51911 0.50802

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.038 1.243 0.000
Cl2 0.038 -0.548 0.000
H3 -0.865 1.857 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.79041.0918
Cl21.79042.5685
H31.09182.5685

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 124.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability