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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: TPSSh/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 TPSSh/cc-pVDZ
 hartrees
Energy at 0K-186.833305
Energy at 298.15K 
HF Energy-186.833305
Nuclear repulsion energy88.921340
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-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 3323 3231 0.00 866.18 0.31 0.47
2 Ag 2097 2039 0.00 26.02 0.36 0.53
3 Ag 1182 1149 0.00 26.25 0.74 0.85
4 Ag 931 906 0.00 33.16 0.25 0.40
5 Ag 326 317 0.00 3.99 0.42 0.60
6 Au 949 923 111.51 0.00 0.00 0.00
7 Au 250 243 0.10 0.00 0.00 0.00
8 Bg 700 681 0.00 11.20 0.75 0.86
9 Bu 3323 3231 4.18 0.00 0.31 0.47
10 Bu 1747 1699 141.95 0.00 0.00 0.00
11 Bu 1139 1107 402.00 0.00 0.00 0.00
12 Bu 287 279 6.94 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8126.7 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 7902.4 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-pVDZ
ABC
7.98962 0.14178 0.13931

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.298 -0.588 0.000
C2 -0.298 0.588 0.000
N3 0.298 -1.842 0.000
N4 -0.298 1.842 0.000
H5 1.264 -2.216 0.000
H6 -1.264 2.216 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31811.25372.50151.89333.2097
C21.31812.50151.25373.20971.8933
N31.25372.50153.73101.03594.3480
N42.50151.25373.73104.34801.0359
H51.89333.20971.03594.34805.1025
H63.20971.89334.34801.03595.1025

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 153.135 C1 N3 H5 111.211
C2 C1 N3 153.135 C2 N4 H6 111.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 C 0.023      
3 N -0.160      
4 N -0.160      
5 H 0.137      
6 H 0.137      


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 4.009 -2.527 0.000
y -2.527 10.017 0.000
z 0.000 0.000 2.271


<r2> (average value of r2) Å2
<r2> 80.431
(<r2>)1/2 8.968