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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: SVWN/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at SVWN/cc-pVTZ
 hartrees
Energy at 0K-148.038896
Energy at 298.15K-148.041231
HF Energy-148.038896
Nuclear repulsion energy60.255504
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 SVWN/cc-pVTZ
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 3551 3516 31.74      
2 A 1294 1281 0.02      
3 A 845 837 16.10      
4 A 665 659 95.18      
5 A 535 530 1.65      
6 B 3548 3514 170.61      
7 B 2262 2240 563.18      
8 B 853 845 411.61      
9 B 538 533 78.08      

Unscaled Zero Point Vibrational Energy (zpe) 7045.3 cm-1
Scaled (by 0.9903) Zero Point Vibrational Energy (zpe) 6977.0 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 SVWN/cc-pVTZ
ABC
13.13822 0.34785 0.34783

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.019
N2 0.000 1.213 -0.079
N3 0.000 -1.213 -0.079
H4 0.607 1.797 0.492
H5 -0.607 -1.797 0.492

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21701.21701.95441.9544
N21.21702.42621.01723.1229
N31.21702.42623.12291.0172
H41.95441.01723.12293.7928
H51.95443.12291.01723.7928

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.776 C1 N3 H5 121.776
N2 C1 N3 170.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.120      
2 N -0.247      
3 N -0.247      
4 H 0.187      
5 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 1.966 1.966
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.892 4.105 0.000
y 4.105 -15.398 0.000
z 0.000 0.000 -17.399
Traceless
 xyz
x -0.493 4.105 0.000
y 4.105 1.748 0.000
z 0.000 0.000 -1.254
Polar
3z2-r2-2.508
x2-y2-1.494
xy4.105
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.505 0.302 0.000
y 0.302 6.344 0.000
z 0.000 0.000 2.482


<r2> (average value of r2) Å2
<r2> 38.713
(<r2>)1/2 6.222