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: MP2=FULL/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'
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-974.516410
Energy at 298.15K-974.516841
HF Energy-973.910821
Nuclear repulsion energy137.694644
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 MP2=FULL/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' 3502 3292 34.98 55.92 0.21 0.34
2 A' 1050 987 44.00 3.11 0.71 0.83
3 A' 649 610 1.24 13.90 0.06 0.12
4 A' 301 283 0.06 5.84 0.42 0.59
5 A" 1358 1276 1.19 1.86 0.75 0.86
6 A" 746 701 35.20 5.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3803.3 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 3574.7 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 MP2=FULL/6-31G(2df,p)
ABC
1.19574 0.11793 0.10844

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.023 0.803 0.000
H2 -0.927 1.179 0.000
Cl3 0.023 -0.200 1.426
Cl4 0.023 -0.200 -1.426

Atom - Atom Distances (Å)
  N1 H2 Cl3 Cl4
N11.02141.74321.7432
H21.02142.19902.1990
Cl31.74322.19902.8513
Cl41.74322.19902.8513

picture of dichloroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 Cl3 102.223 H2 N1 Cl4 102.223
Cl3 N1 Cl4 109.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability