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All results from a given calculation for HN=C=C(CN)2 (Dicyanoketenimine)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-316.960295
Energy at 298.15K 
HF Energy-316.960295
Nuclear repulsion energy211.815849
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 B1B95/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3657 3487 205.98 411.39 0.31 0.48
2 A' 2344 2235 10.24 193.24 0.12 0.22
3 A' 2227 2124 577.93 13.76 0.38 0.56
4 A' 1356 1293 2.15 44.56 0.24 0.39
5 A' 706 673 497.08 22.92 0.47 0.64
6 A' 670 639 10.96 11.92 0.16 0.27
7 A' 668 637 148.27 5.14 0.45 0.62
8 A' 601 574 0.22 0.07 0.46 0.63
9 A' 438 418 27.61 1.12 0.70 0.83
10 A' 181 172 4.99 0.16 0.74 0.85
11 A' 139 133 7.02 10.86 0.73 0.85
12 A" 2335 2227 40.42 180.88 0.75 0.86
13 A" 1249 1192 1.32 5.69 0.75 0.86
14 A" 770 734 135.37 0.54 0.75 0.86
15 A" 639 610 4.53 1.05 0.75 0.86
16 A" 419 400 8.91 7.78 0.75 0.86
17 A" 387 369 0.66 0.21 0.75 0.86
18 A" 136 129 0.22 12.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9460.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9022.8 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 B1B95/6-31G
ABC
0.09432 0.09282 0.04689

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.059 0.000
C2 -0.008 1.286 0.000
N3 0.120 2.479 0.000
C4 -0.008 -0.762 1.235
C5 -0.008 -0.762 -1.235
N6 -0.008 -1.345 2.249
N7 -0.008 -1.345 -2.249
H8 -0.526 3.256 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34522.54121.42081.42082.59122.59123.3551
C21.34521.19972.39162.39163.46193.46192.0366
N32.54121.19973.47063.47064.43864.43861.0106
C41.42082.39163.47062.46941.17053.53264.2351
C51.42082.39163.47062.46943.53261.17054.2351
N62.59123.46194.43861.17053.53264.49895.1478
N72.59123.46194.43863.53261.17054.49895.1478
H83.35512.03661.01064.23514.23515.14785.1478

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.844 C1 C4 N6 179.763
C1 C5 N7 179.763 C2 C1 C4 119.655
C2 C1 C5 119.655 C2 N3 H8 134.096
C4 C1 C5 120.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.057      
2 C 0.336      
3 N -0.499      
4 C 0.102      
5 C 0.102      
6 N -0.240      
7 N -0.240      
8 H 0.381      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.479 5.963 0.000 6.143
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.036 -4.912 0.000
y -4.912 -32.419 0.000
z 0.000 0.000 -52.843
Traceless
 xyz
x 4.595 -4.912 0.000
y -4.912 13.021 0.000
z 0.000 0.000 -17.616
Polar
3z2-r2-35.232
x2-y2-5.617
xy-4.912
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.096 0.122 0.000
y 0.122 11.825 0.000
z 0.000 0.000 8.759


<r2> (average value of r2) Å2
<r2> 211.053
(<r2>)1/2 14.528