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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B1B95/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 B1B95/daug-cc-pVTZ
 hartrees
Energy at 0K-148.784036
Energy at 298.15K-148.786442
HF Energy-148.784036
Nuclear repulsion energy60.483675
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 B1B95/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 3634 3634 25.88      
2 A 1306 1306 0.00      
3 A 912 912 13.15      
4 A 724 724 89.60      
5 A 549 549 0.52      
6 B 3630 3630 160.28      
7 B 2252 2252 724.95      
8 B 911 911 428.97      
9 B 553 553 81.53      

Unscaled Zero Point Vibrational Energy (zpe) 7235.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7235.7 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 B1B95/daug-cc-pVTZ
ABC
12.72351 0.35062 0.35061

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/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 1.211 -0.079
N3 0.000 -1.211 -0.079
H4 0.615 1.756 0.504
H5 -0.615 -1.756 0.504

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21501.21501.92411.9241
N21.21502.42281.00743.0864
N31.21502.42283.08641.0074
H41.92411.00743.08643.7223
H51.92413.08641.00743.7223

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.650 C1 N3 H5 119.650
N2 C1 N3 171.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 N -0.597      
3 N -0.597      
4 H 0.618      
5 H 0.618      


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 1.951 1.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.937 4.078 0.000
y 4.078 -16.300 0.000
z 0.000 0.000 -17.435
Traceless
 xyz
x -0.070 4.078 0.000
y 4.078 0.887 0.000
z 0.000 0.000 -0.817
Polar
3z2-r2-1.634
x2-y2-0.637
xy4.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.112 0.242 0.000
y 0.242 6.740 0.000
z 0.000 0.000 3.086


<r2> (average value of r2) Å2
<r2> 38.617
(<r2>)1/2 6.214