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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CID/3-21G

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 CID/3-21G
 hartrees
Energy at 0K-495.514765
Energy at 298.15K-495.514542
HF Energy-495.383493
Nuclear repulsion energy35.245174
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 CID/3-21G
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' 2839 2645 84.65      
2 A' 1235 1151 8.50      
3 A' 617 574 120.76      

Unscaled Zero Point Vibrational Energy (zpe) 2345.2 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 2184.8 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 CID/3-21G
ABC
15.05201 0.48955 0.47413

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.330 0.000
Cl2 0.046 -0.558 0.000
H3 -1.061 1.510 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.88851.1221
Cl21.88852.3464
H31.12212.3464

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 99.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-495.526485
Energy at 298.15K-495.526271
HF Energy-495.416612
Nuclear repulsion energy36.206711
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 CID/3-21G
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' 973 907 1.02      
2 A' 702 654 38.06      
3 A' 3216 2996 3.50      

Unscaled Zero Point Vibrational Energy (zpe) 2445.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 2278.6 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 CID/3-21G
ABC
23.30884 0.50846 0.49760

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.038 1.259 0.000
Cl2 0.038 -0.553 0.000
H3 -0.872 1.852 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.81211.0863
Cl21.81212.5717
H31.08632.5717

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 123.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability