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: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-516.145623
Energy at 298.15K-516.148242
HF Energy-516.145623
Nuclear repulsion energy50.840458
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 B3LYPultrafine/aug-cc-pVDZ
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' 3435 3333 4.73 116.38 0.07 0.12
2 A' 1567 1521 19.91 3.73 0.50 0.67
3 A' 1073 1042 55.88 1.42 0.09 0.16
4 A' 671 651 2.45 22.74 0.19 0.33
5 A" 3531 3427 14.23 44.49 0.75 0.86
6 A" 1168 1134 0.05 1.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5723.4 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 5553.9 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 B3LYPultrafine/aug-cc-pVDZ
ABC
8.91167 0.45678 0.44744

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.044 1.149 0.000
Cl2 -0.044 -0.636 0.000
H3 0.531 1.384 0.813
H4 0.531 1.384 -0.813

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4
N11.78481.02281.0228
Cl21.78482.25192.2519
H31.02282.25191.6253
H41.02282.25191.6253

picture of chloramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 N1 H3 103.292 Cl2 N1 H4 103.292
H3 N1 H4 105.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.258      
2 Cl 0.192      
3 H 0.033      
4 H 0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.587 1.220 0.000 2.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.290 2.780 0.000
y 2.780 -17.760 0.000
z 0.000 0.000 -18.189
Traceless
 xyz
x -2.316 2.780 0.000
y 2.780 1.479 0.000
z 0.000 0.000 0.836
Polar
3z2-r21.673
x2-y2-2.530
xy2.780
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.328 0.120 0.000
y 0.120 5.113 0.000
z 0.000 0.000 3.346


<r2> (average value of r2) Å2
<r2> 33.586
(<r2>)1/2 5.795