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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: QCISD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-498.150596
Energy at 298.15K-498.150462
HF Energy-497.810192
Nuclear repulsion energy38.487127
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(2df,p)
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' 2970 2813 59.38      
2 A' 1253 1187 5.57      
3 A' 822 779 93.65      

Unscaled Zero Point Vibrational Energy (zpe) 2522.0 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 2389.3 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(2df,p)
ABC
15.68891 0.59336 0.57174

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.201 0.000
Cl2 0.045 -0.508 0.000
H3 -1.043 1.426 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70931.1117
Cl21.70932.2194
H31.11172.2194

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-498.145099
Energy at 298.15K-498.144953
HF Energy-497.835614
Nuclear repulsion energy38.839084
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(2df,p)
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' 3257 3086 6.89      
2 A' 990 938 1.10      
3 A' 895 847 39.60      

Unscaled Zero Point Vibrational Energy (zpe) 2570.5 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 2435.3 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(2df,p)
ABC
25.39230 0.58964 0.57626

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.159 0.000
Cl2 0.037 -0.514 0.000
H3 -0.841 1.794 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67291.0830
Cl21.67292.4693
H31.08302.4693

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability