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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HF/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HF/daug-cc-pVDZ
 hartrees
Energy at 0K-185.709697
Energy at 298.15K 
HF Energy-185.709697
Nuclear repulsion energy90.424295
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 HF/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 Ag 3668 3345 0.00 543.63 0.30 0.46
2 Ag 2429 2216 0.00 96.73 0.36 0.53
3 Ag 1278 1166 0.00 17.15 0.56 0.72
4 Ag 997 909 0.00 65.40 0.16 0.28
5 Ag 324 296 0.00 6.61 0.61 0.76
6 Au 1039 948 145.40 0.00 0.00 0.00
7 Au 276 252 0.60 0.00 0.00 0.00
8 Bg 699 638 0.00 5.82 0.75 0.86
9 Bu 3669 3346 56.88 0.00 0.00 0.00
10 Bu 1883 1717 357.24 0.00 0.00 0.00
11 Bu 1275 1163 337.87 0.00 0.00 0.00
12 Bu 313 285 9.70 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8925.3 cm-1
Scaled (by 0.912) Zero Point Vibrational Energy (zpe) 8139.9 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 HF/daug-cc-pVDZ
ABC
10.69981 0.14333 0.14144

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.138 -0.626 0.000
C2 -0.138 0.626 0.000
N3 0.138 -1.855 0.000
N4 -0.138 1.855 0.000
H5 1.073 -2.239 0.000
H6 -1.073 2.239 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.28211.22902.49631.86433.1105
C21.28212.49631.22903.11051.8643
N31.22902.49633.72021.01064.2694
N42.49631.22903.72024.26941.0106
H51.86433.11051.01064.26944.9657
H63.11051.86434.26941.01064.9657

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 167.523 C1 N3 H5 112.327
C2 C1 N3 167.523 C2 N4 H6 112.327
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.296      
2 C 0.296      
3 N -0.379      
4 N -0.379      
5 H 0.084      
6 H 0.084      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.100 -7.750 0.000
y -7.750 -24.782 0.000
z 0.000 0.000 -23.420
Traceless
 xyz
x 3.001 -7.750 0.000
y -7.750 -2.521 0.000
z 0.000 0.000 -0.479
Polar
3z2-r2-0.959
x2-y23.682
xy-7.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.398 -1.459 0.000
y -1.459 11.521 0.000
z 0.000 0.000 3.708


<r2> (average value of r2) Å2
<r2> 80.127
(<r2>)1/2 8.951