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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-16.651698
Energy at 298.15K-16.653064
HF Energy-16.651698
Nuclear repulsion energy14.853580
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 B3LYP/CEP-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 3021 2925 1.81      
2 A1 1606 1555 5.26      
3 A1 1397 1353 12.11      
4 B1 1008 977 75.77      
5 B2 3102 3004 32.51      
6 B2 960 930 4.87      

Unscaled Zero Point Vibrational Energy (zpe) 5547.3 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 5372.0 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 B3LYP/CEP-31G
ABC
9.40890 1.22566 1.08440

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.524
N2 0.000 0.000 0.764
H3 0.000 0.943 -1.102
H4 0.000 -0.943 -1.102

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.28851.10591.1059
N21.28852.09102.0910
H31.10592.09101.8856
H41.10592.09101.8856

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 121.510 N2 C1 H4 121.510
H3 C1 H4 116.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.524      
2 N 0.092      
3 H 0.216      
4 H 0.216      


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 -2.764 2.764
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.870 0.000 0.000
y 0.000 -10.715 0.000
z 0.000 0.000 -13.126
Traceless
 xyz
x -0.949 0.000 0.000
y 0.000 2.283 0.000
z 0.000 0.000 -1.333
Polar
3z2-r2-2.667
x2-y2-2.155
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.354 0.000 0.000
y 0.000 1.869 0.000
z 0.000 0.000 3.301


<r2> (average value of r2) Å2
<r2> 15.870
(<r2>)1/2 3.984