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 NH2Cl (chloramine)

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-515.903887
Energy at 298.15K-515.906499
HF Energy-515.903887
Nuclear repulsion energy51.017010
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 PBEPBEultrafine/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' 3344 3321 2.97 105.02 0.08 0.14
2 A' 1547 1536 20.43 7.40 0.47 0.64
3 A' 1069 1062 55.25 2.45 0.75 0.86
4 A' 663 658 1.87 17.42 0.18 0.30
5 A" 3440 3417 6.73 47.51 0.75 0.86
6 A" 1155 1147 0.01 3.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5609.1 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 5570.4 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 PBEPBEultrafine/cc-pVTZ
ABC
8.79680 0.46119 0.45198

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.045 1.145 0.000
Cl2 -0.045 -0.632 0.000
H3 0.542 1.369 0.812
H4 0.542 1.369 -0.812

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4
N11.77691.02711.0271
Cl21.77692.23802.2380
H31.02712.23801.6250
H41.02712.23801.6250

picture of chloramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 N1 H3 102.601 Cl2 N1 H4 102.601
H3 N1 H4 104.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.221      
2 Cl -0.080      
3 H 0.151      
4 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.622 1.173 0.000 2.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.858 2.668 0.000
y 2.668 -17.491 0.000
z 0.000 0.000 -17.949
Traceless
 xyz
x -2.139 2.668 0.000
y 2.668 1.413 0.000
z 0.000 0.000 0.726
Polar
3z2-r21.452
x2-y2-2.368
xy2.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.444 0.214 0.000
y 0.214 4.429 0.000
z 0.000 0.000 2.635


<r2> (average value of r2) Å2
<r2> 33.183
(<r2>)1/2 5.760