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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-317.143650
Energy at 298.15K 
HF Energy-317.143650
Nuclear repulsion energy213.412774
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 B1B95/6-311G**
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' 3568 3426 138.41 400.10 0.31 0.48
2 A' 2386 2290 10.04 210.29 0.12 0.21
3 A' 2195 2108 592.73 7.79 0.36 0.53
4 A' 1358 1303 2.89 41.20 0.21 0.35
5 A' 833 799 447.80 7.82 0.75 0.86
6 A' 665 638 2.90 13.75 0.10 0.18
7 A' 628 603 18.26 5.62 0.68 0.81
8 A' 597 573 0.51 0.11 0.44 0.61
9 A' 453 435 36.76 1.28 0.43 0.60
10 A' 176 169 6.41 0.23 0.71 0.83
11 A' 137 131 8.48 8.91 0.73 0.84
12 A" 2377 2282 28.19 169.37 0.75 0.86
13 A" 1247 1197 1.17 7.42 0.75 0.86
14 A" 743 713 89.10 0.89 0.75 0.86
15 A" 638 612 4.11 1.06 0.75 0.86
16 A" 430 413 8.60 5.72 0.75 0.86
17 A" 400 384 0.55 0.27 0.75 0.86
18 A" 133 128 0.00 10.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9480.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 9102.4 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 B1B95/6-311G**
ABC
0.09505 0.09467 0.04759

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.060 0.000
C2 -0.005 1.274 0.000
N3 0.123 2.461 0.000
C4 -0.005 -0.759 1.237
C5 -0.005 -0.759 -1.237
N6 -0.005 -1.322 2.242
N7 -0.005 -1.322 -2.242
H8 -0.663 3.103 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33442.52501.42051.42052.57232.57233.2307
C21.33441.19432.37942.37943.42993.42991.9434
N32.52501.19433.45173.45174.39954.39951.0148
C41.42052.37943.45172.47431.15183.52414.1075
C51.42052.37943.45172.47433.52411.15184.1075
N62.57233.42994.39951.15183.52414.48325.0036
N72.57233.42994.39953.52411.15184.48325.0036
H83.23071.94341.01484.10754.10755.00365.0036

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.818 C1 C4 N6 179.864
C1 C5 N7 179.864 C2 C1 C4 119.434
C2 C1 C5 119.434 C2 N3 H8 123.015
C4 C1 C5 121.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.000      
2 C 0.339      
3 N -0.372      
4 C 0.121      
5 C 0.121      
6 N -0.235      
7 N -0.235      
8 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.396 5.316 0.000 5.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.665 -4.679 0.000
y -4.679 -34.246 0.000
z 0.000 0.000 -51.967
Traceless
 xyz
x 5.441 -4.679 0.000
y -4.679 10.570 0.000
z 0.000 0.000 -16.011
Polar
3z2-r2-32.023
x2-y2-3.419
xy-4.679
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.924 -0.035 0.000
y -0.035 11.788 0.000
z 0.000 0.000 9.132


<r2> (average value of r2) Å2
<r2> 208.219
(<r2>)1/2 14.430