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

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-16.289311
Energy at 298.15K-16.290698
HF Energy-16.289311
Nuclear repulsion energy15.112940
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/CEP-121G*
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 3205 2895 1.09      
2 A1 1607 1452 14.02      
3 A1 1395 1260 0.16      
4 B1 1017 919 36.96      
5 B2 3297 2979 21.21      
6 B2 1061 958 16.74      

Unscaled Zero Point Vibrational Energy (zpe) 5790.5 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 5231.2 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/CEP-121G*
ABC
9.60796 1.27132 1.12275

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.518
N2 0.000 0.000 0.750
H3 0.000 0.933 -1.072
H4 0.000 -0.933 -1.072

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.26831.08541.0854
N21.26832.04772.0477
H31.08542.04771.8660
H41.08542.04771.8660

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 120.727 N2 C1 H4 120.727
H3 C1 H4 118.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 N -0.090      
3 H 0.187      
4 H 0.187      


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 -2.453 2.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.887 0.000 0.000
y 0.000 -10.918 0.000
z 0.000 0.000 -13.050
Traceless
 xyz
x -0.903 0.000 0.000
y 0.000 2.050 0.000
z 0.000 0.000 -1.147
Polar
3z2-r2-2.295
x2-y2-1.968
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.530 0.000 0.000
y 0.000 2.141 0.000
z 0.000 0.000 3.309


<r2> (average value of r2) Å2
<r2> 15.603
(<r2>)1/2 3.950