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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-147.873538
Energy at 298.15K-147.875815
HF Energy-147.873538
Nuclear repulsion energy60.064248
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 M06-2X/3-21G
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 3634 3484 27.69      
2 A 1332 1277 0.00      
3 A 741 710 1.23      
4 A 690 662 200.75      
5 A 532 510 10.88      
6 B 3631 3481 249.14      
7 B 2339 2242 512.37      
8 B 746 716 597.15      
9 B 551 528 130.21      

Unscaled Zero Point Vibrational Energy (zpe) 7097.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 6804.6 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 M06-2X/3-21G
ABC
16.07942 0.34298 0.34260

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.014
N2 0.000 1.215 -0.068
N3 0.000 -1.215 -0.068
H4 0.568 1.889 0.435
H5 -0.568 -1.889 0.435

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21811.21812.01682.0168
N21.21812.43061.01453.1956
N31.21812.43063.19561.0145
H42.01681.01453.19563.9447
H52.01683.19561.01453.9447

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 128.977 C1 N3 H5 128.977
N2 C1 N3 172.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.748      
2 N -0.707      
3 N -0.707      
4 H 0.332      
5 H 0.332      


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 2.335 2.335
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.662 4.738 0.000
y 4.738 -14.438 0.000
z 0.000 0.000 -17.294
Traceless
 xyz
x -0.796 4.738 0.000
y 4.738 2.540 0.000
z 0.000 0.000 -1.744
Polar
3z2-r2-3.487
x2-y2-2.224
xy4.738
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.239 0.346 0.000
y 0.346 5.614 0.000
z 0.000 0.000 1.175


<r2> (average value of r2) Å2
<r2> 38.978
(<r2>)1/2 6.243