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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCSD(T)=FULL/aug-cc-pVTZ

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 CCSD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-498.286765
Energy at 298.15K-498.286633
HF Energy-497.855117
Nuclear repulsion energy38.771934
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 CCSD(T)=FULL/aug-cc-pVTZ
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' 2977 2869        
2 A' 1233 1189        
3 A' 823 793        

Unscaled Zero Point Vibrational Energy (zpe) 2516.9 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 2425.5 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 CCSD(T)=FULL/aug-cc-pVTZ
ABC
16.10862 0.60159 0.57993

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.192 0.000
Cl2 0.045 -0.505 0.000
H3 -1.030 1.425 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.69671.1000
Cl21.69672.2090
H31.10002.2090

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCSD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-498.278092
Energy at 298.15K-498.277944
HF Energy-497.879209
Nuclear repulsion energy39.087563
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 CCSD(T)=FULL/aug-cc-pVTZ
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' 965 930        
2 A' 897 864        
3 A' 3259 3140        

Unscaled Zero Point Vibrational Energy (zpe) 2559.9 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 2466.9 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 CCSD(T)=FULL/aug-cc-pVTZ
ABC
26.41201 0.59652 0.58334

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.150 0.000
Cl2 0.036 -0.512 0.000
H3 -0.825 1.794 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66201.0744
Cl21.66202.4605
H31.07442.4605

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability