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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-317.295130
Energy at 298.15K 
HF Energy-317.295130
Nuclear repulsion energy212.915739
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 B3LYP/TZVP
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' 3522 3401 130.20 446.86 0.31 0.47
2 A' 2355 2274 8.29 253.87 0.11 0.19
3 A' 2164 2089 601.94 10.03 0.27 0.43
4 A' 1338 1292 2.70 48.76 0.18 0.31
5 A' 810 782 475.78 7.20 0.75 0.86
6 A' 657 635 3.63 14.96 0.08 0.15
7 A' 623 601 11.37 5.34 0.63 0.78
8 A' 597 576 0.63 0.10 0.53 0.70
9 A' 441 426 30.53 1.13 0.30 0.46
10 A' 176 170 7.49 0.19 0.69 0.82
11 A' 138 134 8.51 9.93 0.73 0.84
12 A" 2342 2261 32.06 192.90 0.75 0.86
13 A" 1217 1175 1.28 11.22 0.75 0.86
14 A" 740 714 93.74 0.67 0.75 0.86
15 A" 637 615 4.29 1.18 0.75 0.86
16 A" 420 405 8.52 5.55 0.75 0.86
17 A" 397 383 0.43 0.30 0.75 0.86
18 A" 135 131 0.00 11.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9354.7 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 9031.0 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 B3LYP/TZVP
ABC
0.09458 0.09422 0.04736

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 -0.057 0.000
C2 -0.007 1.281 0.000
N3 0.130 2.468 0.000
C4 -0.007 -0.761 1.239
C5 -0.007 -0.761 -1.239
N6 -0.007 -1.330 2.242
N7 -0.007 -1.330 -2.242
H8 -0.634 3.139 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33762.52891.42491.42492.57842.57843.2565
C21.33761.19552.38822.38823.44133.44131.9608
N32.52891.19553.46153.46154.41274.41271.0166
C41.42492.38823.46152.47741.15353.52714.1396
C51.42492.38823.46152.47743.52711.15354.1396
N62.57843.44134.41271.15353.52714.48475.0387
N72.57843.44134.41273.52711.15354.48475.0387
H83.25651.96081.01664.13964.13965.03875.0387

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.381 C1 C4 N6 179.914
C1 C5 N7 179.914 C2 C1 C4 119.620
C2 C1 C5 119.620 C2 N3 H8 124.653
C4 C1 C5 120.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.278      
2 C 0.258      
3 N -0.180      
4 C 0.039      
5 C 0.039      
6 N -0.072      
7 N -0.072      
8 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.401 5.452 0.000 5.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.310 -4.776 0.000
y -4.776 -35.066 0.000
z 0.000 0.000 -53.385
Traceless
 xyz
x 5.916 -4.776 0.000
y -4.776 10.782 0.000
z 0.000 0.000 -16.697
Polar
3z2-r2-33.395
x2-y2-3.244
xy-4.776
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.595 0.047 0.000
y 0.047 12.721 0.000
z 0.000 0.000 9.880


<r2> (average value of r2) Å2
<r2> 209.785
(<r2>)1/2 14.484