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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: HSEh1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-148.634380
Energy at 298.15K-148.636790
HF Energy-148.634380
Nuclear repulsion energy59.958780
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 HSEh1PBE/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 A 3599 3461 28.64      
2 A 1302 1253 0.06      
3 A 946 910 7.97      
4 A 749 721 89.13      
5 A 530 509 0.13      
6 B 3598 3461 107.42      
7 B 2269 2182 564.08      
8 B 943 907 386.13      
9 B 533 513 70.91      

Unscaled Zero Point Vibrational Energy (zpe) 7234.2 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 6958.5 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 HSEh1PBE/cc-pVDZ
ABC
11.72784 0.34559 0.34559

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.016
N2 0.000 1.223 -0.082
N3 0.000 -1.223 -0.082
H4 0.640 1.734 0.525
H5 -0.640 -1.734 0.525

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22691.22691.91711.9171
N21.22692.44611.01883.0857
N31.22692.44613.08571.0188
H41.91711.01883.08573.6966
H51.91713.08571.01883.6966

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 116.929 C1 N3 H5 116.929
N2 C1 N3 170.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.167      
2 N -0.227      
3 N -0.227      
4 H 0.144      
5 H 0.144      


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 2.078 2.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.340 3.998 0.000
y 3.998 -16.125 0.000
z 0.000 0.000 -16.861
Traceless
 xyz
x 0.154 3.998 0.000
y 3.998 0.475 0.000
z 0.000 0.000 -0.629
Polar
3z2-r2-1.258
x2-y2-0.214
xy3.998
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.946 0.403 0.000
y 0.403 5.756 0.000
z 0.000 0.000 1.911


<r2> (average value of r2) Å2
<r2> 38.689
(<r2>)1/2 6.220