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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: mPW1PW91/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at mPW1PW91/Def2TZVPP
 hartrees
Energy at 0K-186.831004
Energy at 298.15K 
HF Energy-186.831004
Nuclear repulsion energy89.982416
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 mPW1PW91/Def2TZVPP
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 3435 3435 0.00 719.99 0.30 0.47
2 Ag 2207 2207 0.00 28.73 0.40 0.58
3 Ag 1176 1176 0.00 21.87 0.68 0.81
4 Ag 948 948 0.00 44.30 0.20 0.33
5 Ag 300 300 0.00 4.52 0.40 0.57
6 Au 972 972 124.52 0.00 0.00 0.00
7 Au 256 256 0.03 0.00 0.00 0.00
8 Bg 675 675 0.00 5.36 0.75 0.86
9 Bu 3435 3435 11.62 0.00 0.00 0.00
10 Bu 1781 1781 186.13 0.00 0.00 0.00
11 Bu 1146 1146 375.52 0.00 0.00 0.00
12 Bu 286 286 6.94 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8308.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8308.7 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 mPW1PW91/Def2TZVPP
ABC
9.72084 0.14322 0.14114

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.216 -0.608 0.000
C2 -0.216 0.608 0.000
N3 0.216 -1.845 0.000
N4 -0.216 1.845 0.000
H5 1.157 -2.241 0.000
H6 -1.157 2.241 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29021.23702.49051.88503.1625
C21.29022.49051.23703.16251.8850
N31.23702.49053.71501.02134.3105
N42.49051.23703.71504.31051.0213
H51.88503.16251.02134.31055.0444
H63.16251.88504.31051.02135.0444

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 160.460 C1 N3 H5 112.825
C2 C1 N3 160.460 C2 N4 H6 112.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.011      
2 C 0.011      
3 N -0.200      
4 N -0.200      
5 H 0.189      
6 H 0.189      


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 -20.375 -7.289 0.000
y -7.289 -23.441 0.000
z 0.000 0.000 -22.801
Traceless
 xyz
x 2.746 -7.289 0.000
y -7.289 -1.853 0.000
z 0.000 0.000 -0.893
Polar
3z2-r2-1.787
x2-y23.066
xy-7.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.293 -1.936 0.000
y -1.936 11.006 0.000
z 0.000 0.000 3.128


<r2> (average value of r2) Å2
<r2> 79.890
(<r2>)1/2 8.938