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

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-93.987459
Energy at 298.15K-93.988828
HF Energy-93.987459
Nuclear repulsion energy27.671593
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/TZVP
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 2999 2861 0.01      
2 A1 1748 1667 0.80      
3 A1 1389 1325 16.36      
4 B1 1007 961 39.66      
5 B2 3062 2921 9.65      
6 B2 944 901 5.47      

Unscaled Zero Point Vibrational Energy (zpe) 5574.5 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 5318.1 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/TZVP
ABC
9.54266 1.32114 1.16048

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

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 0.736
H3 0.000 0.936 -1.073
H4 0.000 -0.936 -1.073

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23711.09731.0973
N21.23712.03742.0374
H31.09732.03741.8723
H41.09732.03741.8723

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 121.447 N2 C1 H4 121.447
H3 C1 H4 117.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.169      
2 N -0.111      
3 H 0.140      
4 H 0.140      


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 -2.494 2.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.788 0.000 0.000
y 0.000 -10.946 0.000
z 0.000 0.000 -12.947
Traceless
 xyz
x -0.842 0.000 0.000
y 0.000 1.922 0.000
z 0.000 0.000 -1.080
Polar
3z2-r2-2.161
x2-y2-1.843
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.656 0.000 0.000
y 0.000 2.313 0.000
z 0.000 0.000 3.634


<r2> (average value of r2) Å2
<r2> 16.993
(<r2>)1/2 4.122