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: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-971.134877
Energy at 298.15K-971.135019
HF Energy-971.134877
Nuclear repulsion energy128.255200
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 BLYP/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' 3021 3002 4.57 89.14 0.23 0.37
2 A' 1037 1031 38.09 9.60 0.71 0.83
3 A' 543 540 4.31 19.62 0.09 0.16
4 A' 240 238 0.04 15.49 0.42 0.59
5 A" 1247 1239 1.43 4.55 0.75 0.86
6 A" 507 504 139.05 7.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3298.1 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 3276.6 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 BLYP/3-21G*
ABC
1.03940 0.10203 0.09388

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.024 0.872 0.000
H2 -0.999 1.159 0.000
Cl3 0.024 -0.214 1.533
Cl4 0.024 -0.214 -1.533

Atom - Atom Distances (Å)
  N1 H2 Cl3 Cl4
N11.06261.87841.8784
H21.06262.29802.2980
Cl31.87842.29803.0653
Cl41.87842.29803.0653

picture of dichloroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 Cl3 98.986 H2 N1 Cl4 98.986
Cl3 N1 Cl4 109.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.375      
2 H 0.326      
3 Cl 0.025      
4 Cl 0.025      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.689 0.539 0.000 1.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.665 -2.253 0.000
y -2.253 -30.504 0.000
z 0.000 0.000 -31.219
Traceless
 xyz
x 0.196 -2.253 0.000
y -2.253 0.438 0.000
z 0.000 0.000 -0.634
Polar
3z2-r2-1.268
x2-y2-0.161
xy-2.253
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.412 -0.348 0.000
y -0.348 3.259 0.000
z 0.000 0.000 7.626


<r2> (average value of r2) Å2
<r2> 108.345
(<r2>)1/2 10.409