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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: SVWN/6-311G**

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/6-311G**
 hartrees
Energy at 0K-148.019446
Energy at 298.15K-148.021772
HF Energy-148.019446
Nuclear repulsion energy60.198892
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/6-311G**
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 3557 3520 35.12      
2 A 1297 1283 0.13      
3 A 834 826 13.94      
4 A 668 661 109.37      
5 A 533 527 1.80      
6 B 3556 3519 165.39      
7 B 2278 2254 532.05      
8 B 844 835 411.04      
9 B 537 531 82.98      

Unscaled Zero Point Vibrational Energy (zpe) 7051.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 6978.3 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/6-311G**
ABC
13.11863 0.34721 0.34714

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.019
N2 0.000 1.214 -0.078
N3 0.000 -1.214 -0.078
H4 0.611 1.798 0.490
H5 -0.611 -1.798 0.490

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21821.21821.95651.9565
N21.21822.42851.01823.1257
N31.21822.42853.12571.0182
H41.95651.01823.12573.7978
H51.95653.12571.01823.7978

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.802 C1 N3 H5 121.802
N2 C1 N3 170.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.371      
2 N -0.429      
3 N -0.429      
4 H 0.244      
5 H 0.244      


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 2.102 2.102
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.723 4.293 0.000
y 4.293 -15.370 0.000
z 0.000 0.000 -17.285
Traceless
 xyz
x -0.396 4.293 0.000
y 4.293 1.634 0.000
z 0.000 0.000 -1.239
Polar
3z2-r2-2.477
x2-y2-1.353
xy4.293
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.030 0.326 0.000
y 0.326 6.075 0.000
z 0.000 0.000 2.006


<r2> (average value of r2) Å2
<r2> 38.703
(<r2>)1/2 6.221