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

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-93.870720
Energy at 298.15K-93.872056
HF Energy-93.870720
Nuclear repulsion energy27.288918
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 PBEPBE/6-31+G**
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 2904 2871 0.07      
2 A1 1684 1665 1.22      
3 A1 1331 1316 13.85      
4 B1 941 931 45.89      
5 B2 2956 2922 11.96      
6 B2 889 879 3.58      

Unscaled Zero Point Vibrational Energy (zpe) 5353.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 5292.0 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 PBEPBE/6-31+G**
ABC
9.38839 1.28153 1.12761

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.508
N2 0.000 0.000 0.747
H3 0.000 0.944 -1.093
H4 0.000 -0.944 -1.093

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25501.11061.1106
N21.25502.06832.0683
H31.11062.06831.8877
H41.11062.06831.8877

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 121.809 N2 C1 H4 121.809
H3 C1 H4 116.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 N -0.135      
3 H 0.177      
4 H 0.177      


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 -2.537 2.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.085 0.000 0.000
y 0.000 -11.228 0.000
z 0.000 0.000 -13.133
Traceless
 xyz
x -0.905 0.000 0.000
y 0.000 1.881 0.000
z 0.000 0.000 -0.976
Polar
3z2-r2-1.953
x2-y2-1.857
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.814 0.000 0.000
y 0.000 2.511 0.000
z 0.000 0.000 3.944


<r2> (average value of r2) Å2
<r2> 17.423
(<r2>)1/2 4.174