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

using model chemistry: HF/aug-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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-93.446869
Energy at 298.15K-93.448261
HF Energy-93.446869
Nuclear repulsion energy27.365629
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 HF/aug-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 3185 2900 0.24      
2 A1 1611 1467 20.15      
3 A1 1418 1291 0.48      
4 B1 1031 938 36.68      
5 B2 3279 2985 9.61      
6 B2 1048 955 17.02      

Unscaled Zero Point Vibrational Energy (zpe) 5785.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 5268.4 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 HF/aug-cc-pVDZ
ABC
9.50623 1.28520 1.13214

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.515
N2 0.000 0.000 0.746
H3 0.000 0.938 -1.068
H4 0.000 -0.938 -1.068

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.26091.08921.0892
N21.26092.04272.0427
H31.08922.04271.8759
H41.08922.04271.8759

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 120.552 N2 C1 H4 120.552
H3 C1 H4 118.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.625      
2 N -0.447      
3 H -0.089      
4 H -0.089      


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 -2.454 2.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.037 0.000 0.000
y 0.000 -11.041 0.000
z 0.000 0.000 -13.183
Traceless
 xyz
x -0.924 0.000 0.000
y 0.000 2.069 0.000
z 0.000 0.000 -1.144
Polar
3z2-r2-2.289
x2-y2-1.995
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.242 0.000 0.000
y 0.000 2.590 0.000
z 0.000 0.000 3.612


<r2> (average value of r2) Å2
<r2> 17.287
(<r2>)1/2 4.158