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

using model chemistry: B1B95/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-93.940473
Energy at 298.15K-93.941832
HF Energy-93.940473
Nuclear repulsion energy27.635848
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(2df,p)
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 3007 2880 0.02      
2 A1 1759 1685 0.72      
3 A1 1376 1318 14.96      
4 B1 992 950 28.19      
5 B2 3070 2940 9.70      
6 B2 921 882 5.93      

Unscaled Zero Point Vibrational Energy (zpe) 5562.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 5327.6 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 B1B95/6-31G(2df,p)
ABC
9.58893 1.31553 1.15682

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.501
N2 0.000 0.000 0.738
H3 0.000 0.934 -1.078
H4 0.000 -0.934 -1.078

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23911.09731.0973
N21.23912.04142.0414
H31.09732.04141.8678
H41.09732.04141.8678

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 121.672 N2 C1 H4 121.672
H3 C1 H4 116.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 N -0.149      
3 H 0.162      
4 H 0.162      


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 -2.345 2.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.424 0.000 0.000
y 0.000 -10.785 0.000
z 0.000 0.000 -12.424
Traceless
 xyz
x -0.819 0.000 0.000
y 0.000 1.639 0.000
z 0.000 0.000 -0.820
Polar
3z2-r2-1.639
x2-y2-1.639
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.477 0.000 0.000
y 0.000 2.284 0.000
z 0.000 0.000 3.249


<r2> (average value of r2) Å2
<r2> 16.803
(<r2>)1/2 4.099