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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B3LYPultrafine/daug-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 B3LYPultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-148.811181
Energy at 298.15K-148.813590
HF Energy-148.811181
Nuclear repulsion energy59.860536
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 B3LYPultrafine/daug-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 3577 3577 21.88      
2 A 1277 1277 0.00      
3 A 940 940 11.21      
4 A 724 724 86.40      
5 A 535 535 0.19      
6 B 3574 3574 131.97      
7 B 2205 2205 669.49      
8 B 939 939 417.33      
9 B 537 537 65.25      

Unscaled Zero Point Vibrational Energy (zpe) 7153.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7153.3 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 B3LYPultrafine/daug-cc-pVDZ
ABC
12.19320 0.34376 0.34366

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.021
N2 0.000 1.225 -0.082
N3 0.000 -1.225 -0.082
H4 0.625 1.762 0.512
H5 -0.625 -1.762 0.512

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22891.22891.93281.9328
N21.22892.44911.01623.1084
N31.22892.44913.10841.0162
H41.93281.01623.10843.7386
H51.93283.10841.01623.7386

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.536 C1 N3 H5 118.536
N2 C1 N3 170.378
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 N 0.120      
3 N 0.120      
4 H -0.101      
5 H -0.101      


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 1.971 1.971
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.185 4.110 0.000
y 4.110 -16.778 0.000
z 0.000 0.000 -17.693
Traceless
 xyz
x 0.051 4.110 0.000
y 4.110 0.661 0.000
z 0.000 0.000 -0.712
Polar
3z2-r2-1.423
x2-y2-0.406
xy4.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.222 0.266 0.000
y 0.266 6.973 0.000
z 0.000 0.000 3.197


<r2> (average value of r2) Å2
<r2> 39.358
(<r2>)1/2 6.274