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All results from a given calculation for H2CN (Dihydrogen cyanide radical)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-93.877737
Energy at 298.15K-93.879100
HF Energy-93.877737
Nuclear repulsion energy27.516321
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3021 2882 0.00      
2 A1 1758 1678 0.55      
3 A1 1392 1329 13.00      
4 B1 997 952 34.54      
5 B2 3086 2945 12.40      
6 B2 938 896 5.47      

Unscaled Zero Point Vibrational Energy (zpe) 5596.4 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 5340.6 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 HSEh1PBE/6-31G**
ABC
9.54316 1.30290 1.14639

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.504
N2 0.000 0.000 0.741
H3 0.000 0.936 -1.081
H4 0.000 -0.936 -1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24571.09951.0995
N21.24572.04872.0487
H31.09952.04871.8723
H41.09952.04871.8723

picture of Dihydrogen cyanide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 H3 121.629 N2 C1 H4 121.629
H3 C1 H4 116.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 N -0.241      
3 H 0.159      
4 H 0.159      


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 -2.379 2.379
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.528 0.000 0.000
y 0.000 -10.816 0.000
z 0.000 0.000 -12.585
Traceless
 xyz
x -0.828 0.000 0.000
y 0.000 1.740 0.000
z 0.000 0.000 -0.912
Polar
3z2-r2-1.824
x2-y2-1.712
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.186 0.000 0.000
y 0.000 2.151 0.000
z 0.000 0.000 3.271


<r2> (average value of r2) Å2
<r2> 16.943
(<r2>)1/2 4.116