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

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-93.866496
Energy at 298.15K-93.867820
HF Energy-93.866496
Nuclear repulsion energy27.236082
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/cc-pVDZ
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 2876 2860 0.01      
2 A1 1685 1675 1.16      
3 A1 1294 1287 15.18      
4 B1 926 920 30.30      
5 B2 2924 2907 15.11      
6 B2 858 853 4.12      

Unscaled Zero Point Vibrational Energy (zpe) 5281.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 5250.8 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/cc-pVDZ
ABC
9.31200 1.27814 1.12388

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.506
N2 0.000 0.000 0.748
H3 0.000 0.948 -1.101
H4 0.000 -0.948 -1.101

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25451.11901.1190
N21.25452.07812.0781
H31.11902.07811.8954
H41.11902.07811.8954

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 122.122 N2 C1 H4 122.122
H3 C1 H4 115.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 N -0.129      
3 H 0.067      
4 H 0.067      


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 -2.213 2.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.523 0.000 0.000
y 0.000 -10.955 0.000
z 0.000 0.000 -12.560
Traceless
 xyz
x -0.765 0.000 0.000
y 0.000 1.587 0.000
z 0.000 0.000 -0.821
Polar
3z2-r2-1.643
x2-y2-1.568
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.326 0.000 0.000
y 0.000 2.288 0.000
z 0.000 0.000 3.379


<r2> (average value of r2) Å2
<r2> 17.181
(<r2>)1/2 4.145