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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: wB97X-D/aug-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 wB97X-D/aug-cc-pVDZ
 hartrees
Energy at 0K-148.752971
Energy at 298.15K-148.755390
HF Energy-148.752971
Nuclear repulsion energy59.996150
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 wB97X-D/aug-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 3631 3476 24.15      
2 A 1295 1240 0.00      
3 A 940 900 10.83      
4 A 738 706 89.89      
5 A 539 516 0.11      
6 B 3628 3473 147.78      
7 B 2235 2139 739.43      
8 B 941 900 418.13      
9 B 542 519 76.37      

Unscaled Zero Point Vibrational Energy (zpe) 7243.8 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 6934.5 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 wB97X-D/aug-cc-pVDZ
ABC
12.04123 0.34550 0.34544

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.015
N2 0.000 1.223 -0.081
N3 0.000 -1.223 -0.081
H4 0.630 1.745 0.520
H5 -0.630 -1.745 0.520

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22621.22621.92251.9225
N21.22622.44501.01503.0923
N31.22622.44503.09231.0150
H41.92251.01503.09233.7098
H51.92253.09231.01503.7098

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.840 C1 N3 H5 117.840
N2 C1 N3 171.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.101      
2 N -0.084      
3 N -0.084      
4 H 0.034      
5 H 0.034      


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 2.032 2.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.983 4.199 0.000
y 4.199 -16.760 0.000
z 0.000 0.000 -17.494
Traceless
 xyz
x 0.144 4.199 0.000
y 4.199 0.479 0.000
z 0.000 0.000 -0.622
Polar
3z2-r2-1.244
x2-y2-0.223
xy4.199
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.090 0.247 0.000
y 0.247 6.799 0.000
z 0.000 0.000 3.062


<r2> (average value of r2) Å2
<r2> 39.106
(<r2>)1/2 6.253