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

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 CS 1A'
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-317.072868
Energy at 298.15K 
HF Energy-317.072868
Nuclear repulsion energy212.147571
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 A' 3613 3441 162.18 325.38 0.30 0.46
2 A' 2389 2276 15.02 260.83 0.10 0.18
3 A' 2188 2083 688.91 9.95 0.32 0.48
4 A' 1365 1300 2.50 50.36 0.18 0.31
5 A' 820 781 473.23 9.23 0.69 0.82
6 A' 662 631 3.63 15.22 0.07 0.12
7 A' 621 591 16.12 6.30 0.64 0.78
8 A' 590 561 0.66 0.12 0.38 0.55
9 A' 443 422 36.46 1.42 0.24 0.39
10 A' 173 165 7.36 0.18 0.64 0.78
11 A' 135 129 9.26 10.12 0.73 0.84
12 A" 2382 2268 35.51 193.20 0.75 0.86
13 A" 1245 1185 1.84 11.93 0.75 0.86
14 A" 744 709 97.72 0.32 0.75 0.86
15 A" 632 602 3.82 1.35 0.75 0.86
16 A" 422 402 8.93 6.43 0.75 0.86
17 A" 387 368 0.39 0.38 0.75 0.86
18 A" 131 125 0.02 10.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9470.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 9018.7 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
0.09413 0.09332 0.04703

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.060 0.000
C2 -0.006 1.279 0.000
N3 0.128 2.474 0.000
C4 -0.006 -0.764 1.245
C5 -0.006 -0.764 -1.245
N6 -0.006 -1.327 2.258
N7 -0.006 -1.327 -2.258
H8 -0.659 3.117 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33962.53771.43011.43012.58932.58933.2440
C21.33961.20212.39252.39253.44873.44871.9505
N32.53771.20213.47133.47134.42344.42341.0164
C41.43012.39253.47132.49041.15923.54834.1278
C51.43012.39253.47132.49043.54831.15924.1278
N62.58933.44874.42341.15923.54834.51615.0281
N72.58933.44874.42343.54831.15924.51615.0281
H83.24401.95051.01644.12784.12785.02815.0281

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.584 C1 C4 N6 179.640
C1 C5 N7 179.640 C2 C1 C4 119.462
C2 C1 C5 119.462 C2 N3 H8 122.871
C4 C1 C5 121.077
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 0.497      
2 C 0.145      
3 N -0.481      
4 C 0.181      
5 C 0.181      
6 N -0.438      
7 N -0.438      
8 H 0.353      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.477 5.412 0.000 5.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.232 -5.019 0.000
y -5.019 -35.063 0.000
z 0.000 0.000 -53.479
Traceless
 xyz
x 6.039 -5.019 0.000
y -5.019 10.793 0.000
z 0.000 0.000 -16.832
Polar
3z2-r2-33.664
x2-y2-3.169
xy-5.019
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.810 0.105 0.000
y 0.105 12.831 0.000
z 0.000 0.000 10.048


<r2> (average value of r2) Å2
<r2> 211.000
(<r2>)1/2 14.526