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All results from a given calculation for CNH2 (Aminomethylidyne radical)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-93.880190
Energy at 298.15K-93.881495
HF Energy-93.880190
Nuclear repulsion energy27.795789
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 B1B95/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3357 3187 3.71      
2 A1 1660 1576 28.96      
3 A1 1463 1389 13.90      
4 B1 734 697 201.90      
5 B2 3400 3228 0.02      
6 B2 1029 977 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 5821.7 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 5526.5 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 B1B95/6-31G*
ABC
11.47176 1.25945 1.13486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.853
N2 0.000 0.000 0.443
H3 0.000 0.854 1.008
H4 0.000 -0.854 1.008

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.29602.04772.0477
N21.29601.02391.0239
H32.04771.02391.7077
H42.04771.02391.7077

picture of Aminomethylidyne radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H3 123.502 C1 N2 H4 123.502
H3 N2 H4 112.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.060      
2 N -0.638      
3 H 0.349      
4 H 0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 3.609 3.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.629 0.000 0.000
y 0.000 -10.711 0.000
z 0.000 0.000 -13.273
Traceless
 xyz
x -0.637 0.000 0.000
y 0.000 2.240 0.000
z 0.000 0.000 -1.603
Polar
3z2-r2-3.205
x2-y2-1.918
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.421 0.000 0.000
y 0.000 2.246 0.000
z 0.000 0.000 3.390


<r2> (average value of r2) Å2
<r2> 16.853
(<r2>)1/2 4.105