return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NHCl2 (dichloroamine)

using model chemistry: CCSD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/TZVP
 hartrees
Energy at 0K-974.474567
Energy at 298.15K-974.474925
HF Energy-973.960946
Nuclear repulsion energy134.527680
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)/TZVP
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' 3462 3333        
2 A' 1024 986        
3 A' 616 593        
4 A' 281 270        
5 A" 1296 1247        
6 A" 686 660        

Unscaled Zero Point Vibrational Energy (zpe) 3682.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 3544.4 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 CCSD(T)/TZVP
ABC
1.16968 0.11170 0.10296

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.023 0.814 0.000
H2 -0.932 1.180 0.000
Cl3 0.023 -0.202 1.465
Cl4 0.023 -0.202 -1.465

Atom - Atom Distances (Å)
  N1 H2 Cl3 Cl4
N11.02241.78281.7828
H21.02242.22872.2287
Cl31.78282.22872.9302
Cl41.78282.22872.9302

picture of dichloroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 Cl3 101.768 H2 N1 Cl4 101.768
Cl3 N1 Cl4 110.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability