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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-186.885399
Energy at 298.15K 
HF Energy-186.885399
Nuclear repulsion energy89.570777
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 TPSSh/cc-pVTZ
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 3361 3254 0.00 808.22 0.30 0.47
2 Ag 2116 2048 0.00 28.86 0.39 0.56
3 Ag 1180 1142 0.00 23.14 0.68 0.81
4 Ag 930 901 0.00 38.28 0.21 0.35
5 Ag 318 308 0.00 2.79 0.51 0.67
6 Au 962 932 116.67 0.00 0.00 0.00
7 Au 252 244 0.01 0.00 0.00 0.00
8 Bg 689 668 0.00 6.55 0.75 0.86
9 Bu 3361 3254 3.11 0.00 0.00 0.00
10 Bu 1740 1685 147.13 0.00 0.00 0.00
11 Bu 1141 1105 405.32 0.00 0.00 0.00
12 Bu 288 279 6.19 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8169.0 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 7910.0 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 TPSSh/cc-pVTZ
ABC
8.84843 0.14292 0.14065

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.262 -0.595 0.000
C2 -0.262 0.595 0.000
N3 0.262 -1.840 0.000
N4 -0.262 1.840 0.000
H5 1.211 -2.231 0.000
H6 -1.211 2.231 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30061.24472.49061.89133.1873
C21.30062.49061.24473.18731.8913
N31.24472.49063.71661.02594.3294
N42.49061.24473.71664.32941.0259
H51.89133.18731.02594.32945.0774
H63.18731.89134.32941.02595.0774

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 156.195 C1 N3 H5 112.452
C2 C1 N3 156.195 C2 N4 H6 112.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 C -0.004      
3 N -0.163      
4 N -0.163      
5 H 0.167      
6 H 0.167      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.407 -2.241 0.000
y -2.241 10.740 0.000
z 0.000 0.000 2.998


<r2> (average value of r2) Å2
<r2> 80.042
(<r2>)1/2 8.947