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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-93.959482
Energy at 298.15K-93.960845
HF Energy-93.959482
Nuclear repulsion energy27.588140
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 mPW1PW91/6-31G(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 3018 2881 0.00      
2 A1 1752 1673 0.58      
3 A1 1385 1322 14.87      
4 B1 1001 955 28.87      
5 B2 3083 2943 9.62      
6 B2 934 892 6.28      

Unscaled Zero Point Vibrational Energy (zpe) 5586.1 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 5333.0 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 mPW1PW91/6-31G(2df,p)
ABC
9.56776 1.31053 1.15265

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.503
N2 0.000 0.000 0.739
H3 0.000 0.935 -1.078
H4 0.000 -0.935 -1.078

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24201.09761.0976
N21.24202.04352.0435
H31.09762.04351.8699
H41.09762.04351.8699

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 121.593 N2 C1 H4 121.593
H3 C1 H4 116.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203      
2 N -0.147      
3 H 0.175      
4 H 0.175      


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 -2.361 2.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.447 0.000 0.000
y 0.000 -10.761 0.000
z 0.000 0.000 -12.436
Traceless
 xyz
x -0.849 0.000 0.000
y 0.000 1.681 0.000
z 0.000 0.000 -0.832
Polar
3z2-r2-1.664
x2-y2-1.686
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.487 0.000 0.000
y 0.000 2.279 0.000
z 0.000 0.000 3.250


<r2> (average value of r2) Å2
<r2> 16.835
(<r2>)1/2 4.103