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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-186.746042
Energy at 298.15K 
HF Energy-186.746042
Nuclear repulsion energy89.481244
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/6-31+G**
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 3487 3320 0.00 570.27 0.33 0.50
2 Ag 2201 2096 0.00 48.01 0.37 0.54
3 Ag 1182 1126 0.00 28.19 0.74 0.85
4 Ag 950 904 0.00 51.15 0.20 0.33
5 Ag 334 318 0.00 9.23 0.26 0.41
6 Au 968 922 146.12 0.00 0.00 0.00
7 Au 255 243 0.01 0.00 0.00 0.00
8 Bg 703 669 0.00 6.98 0.75 0.86
9 Bu 3487 3321 21.10 0.00 0.00 0.00
10 Bu 1789 1704 235.23 0.00 0.00 0.00
11 Bu 1142 1088 385.24 0.00 0.00 0.00
12 Bu 282 268 8.10 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8389.1 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 7989.0 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 wB97X-D/6-31+G**
ABC
9.03682 0.14222 0.14002

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.251 -0.602 0.000
C2 -0.251 0.602 0.000
N3 0.251 -1.846 0.000
N4 -0.251 1.846 0.000
H5 1.199 -2.233 0.000
H6 -1.199 2.233 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30421.24462.49921.88643.1840
C21.30422.49921.24463.18401.8864
N31.24462.49923.72681.02364.3293
N42.49921.24463.72684.32931.0236
H51.88643.18401.02364.32935.0687
H63.18401.88644.32931.02365.0687

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 157.359 C1 N3 H5 112.184
C2 C1 N3 157.359 C2 N4 H6 112.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.152      
2 C 0.152      
3 N -0.449      
4 N -0.449      
5 H 0.297      
6 H 0.297      


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 -20.145 -7.930 0.000
y -7.930 -24.178 0.000
z 0.000 0.000 -23.133
Traceless
 xyz
x 3.510 -7.930 0.000
y -7.930 -2.539 0.000
z 0.000 0.000 -0.971
Polar
3z2-r2-1.942
x2-y24.032
xy-7.930
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.252 -2.035 0.000
y -2.035 11.182 0.000
z 0.000 0.000 2.964


<r2> (average value of r2) Å2
<r2> 80.603
(<r2>)1/2 8.978