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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: HSEh1PBE/daug-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 HSEh1PBE/daug-cc-pVTZ
 hartrees
Energy at 0K-148.685716
Energy at 298.15K-148.688122
HF Energy-148.685716
Nuclear repulsion energy60.397753
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/daug-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 3632 3632 26.19      
2 A 1305 1305 0.00      
3 A 914 914 13.17      
4 A 720 720 90.60      
5 A 550 550 0.59      
6 B 3629 3629 160.03      
7 B 2249 2249 712.15      
8 B 913 913 428.94      
9 B 554 554 81.00      

Unscaled Zero Point Vibrational Energy (zpe) 7232.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7232.4 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/daug-cc-pVTZ
ABC
12.69552 0.34964 0.34962

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.016
N2 0.000 1.213 -0.079
N3 0.000 -1.213 -0.079
H4 0.617 1.760 0.503
H5 -0.617 -1.760 0.503

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21671.21671.92741.9274
N21.21672.42601.00913.0915
N31.21672.42603.09151.0091
H41.92741.00913.09153.7299
H51.92743.09151.00913.7299

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.699 C1 N3 H5 119.699
N2 C1 N3 171.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.104      
2 N -0.563      
3 N -0.563      
4 H 0.510      
5 H 0.510      


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 1.952 1.952
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.997 4.108 0.000
y 4.108 -16.309 0.000
z 0.000 0.000 -17.508
Traceless
 xyz
x -0.089 4.108 0.000
y 4.108 0.944 0.000
z 0.000 0.000 -0.855
Polar
3z2-r2-1.710
x2-y2-0.688
xy4.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.129 0.242 0.000
y 0.242 6.755 0.000
z 0.000 0.000 3.102


<r2> (average value of r2) Å2
<r2> 38.728
(<r2>)1/2 6.223