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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31+G**
 hartrees
Energy at 0K-316.826174
Energy at 298.15K 
HF Energy-316.826174
Nuclear repulsion energy212.177453
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 PBE1PBE/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' 3591 3430 149.77 384.32 0.31 0.47
2 A' 2381 2275 11.41 277.70 0.10 0.18
3 A' 2194 2096 625.87 10.12 0.32 0.48
4 A' 1362 1301 2.92 48.03 0.18 0.30
5 A' 817 780 463.56 8.71 0.69 0.82
6 A' 666 636 3.87 16.68 0.07 0.12
7 A' 619 591 12.42 5.41 0.64 0.78
8 A' 590 563 0.70 0.18 0.33 0.49
9 A' 442 422 32.10 1.38 0.20 0.33
10 A' 175 167 6.77 0.15 0.60 0.75
11 A' 134 128 8.71 10.19 0.73 0.84
12 A" 2371 2265 35.39 205.34 0.75 0.86
13 A" 1249 1194 1.28 11.36 0.75 0.86
14 A" 737 704 95.75 0.45 0.75 0.86
15 A" 629 601 3.51 1.08 0.75 0.86
16 A" 423 404 9.15 5.71 0.75 0.86
17 A" 389 371 0.37 0.39 0.75 0.86
18 A" 130 125 0.00 10.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9448.8 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 9026.4 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 PBE1PBE/6-31+G**
ABC
0.09397 0.09364 0.04706

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.061 0.000
C2 -0.008 1.281 0.000
N3 0.134 2.474 0.000
C4 -0.008 -0.762 1.242
C5 -0.008 -0.762 -1.242
N6 -0.008 -1.330 2.255
N7 -0.008 -1.330 -2.255
H8 -0.642 3.131 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34192.53941.42591.42592.58752.58753.2549
C21.34191.20192.39062.39063.44993.44991.9562
N32.53941.20193.46923.46924.42484.42481.0170
C41.42592.39063.46922.48361.16163.54264.1355
C51.42592.39063.46922.48363.54261.16164.1355
N62.58753.44994.42481.16163.54264.50985.0391
N72.58753.44994.42483.54261.16164.50985.0391
H83.25491.95621.01704.13554.13555.03915.0391

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.199 C1 C4 N6 179.850
C1 C5 N7 179.850 C2 C1 C4 119.438
C2 C1 C5 119.438 C2 N3 H8 123.450
C4 C1 C5 121.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.626      
2 C 0.117      
3 N -0.475      
4 C 0.131      
5 C 0.131      
6 N -0.439      
7 N -0.439      
8 H 0.350      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.431 5.428 0.000 5.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.355 -4.891 0.000
y -4.891 -34.821 0.000
z 0.000 0.000 -53.253
Traceless
 xyz
x 5.682 -4.891 0.000
y -4.891 10.984 0.000
z 0.000 0.000 -16.666
Polar
3z2-r2-33.331
x2-y2-3.534
xy-4.891
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.808 0.104 0.000
y 0.104 12.938 0.000
z 0.000 0.000 10.220


<r2> (average value of r2) Å2
<r2> 210.814
(<r2>)1/2 14.519