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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B1B95/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-148.737887
Energy at 298.15K-148.740290
HF Energy-148.737887
Nuclear repulsion energy59.970307
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/cc-pVDZ
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 3587 3448 26.85      
2 A 1298 1247 0.06      
3 A 943 907 7.30      
4 A 749 720 87.46      
5 A 526 506 0.15      
6 B 3586 3447 102.94      
7 B 2262 2174 554.81      
8 B 941 904 381.03      
9 B 530 509 68.51      

Unscaled Zero Point Vibrational Energy (zpe) 7211.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 6931.3 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 B1B95/cc-pVDZ
ABC
11.71094 0.34577 0.34574

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.017
N2 0.000 1.223 -0.082
N3 0.000 -1.223 -0.082
H4 0.641 1.733 0.524
H5 -0.641 -1.733 0.524

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22681.22681.91571.9157
N21.22682.44571.01843.0842
N31.22682.44573.08421.0184
H41.91571.01843.08423.6946
H51.91573.08421.01843.6946

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 116.826 C1 N3 H5 116.826
N2 C1 N3 170.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.148      
2 N -0.213      
3 N -0.213      
4 H 0.139      
5 H 0.139      


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 2.057 2.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.285 3.959 0.000
y 3.959 -16.089 0.000
z 0.000 0.000 -16.811
Traceless
 xyz
x 0.165 3.959 0.000
y 3.959 0.458 0.000
z 0.000 0.000 -0.624
Polar
3z2-r2-1.248
x2-y2-0.195
xy3.959
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.946 0.413 0.000
y 0.413 5.758 0.000
z 0.000 0.000 1.908


<r2> (average value of r2) Å2
<r2> 38.644
(<r2>)1/2 6.216