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

using model chemistry: B2PLYP/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 B2PLYP/6-311G**
 hartrees
Energy at 0K-316.983308
Energy at 298.15K 
HF Energy-316.636442
Nuclear repulsion energy212.044592
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 B2PLYP/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' 3549 3549 122.17 424.39 0.31 0.48
2 A' 2279 2279 6.08 198.70 0.11 0.20
3 A' 2146 2146 503.14 8.06 0.25 0.40
4 A' 1329 1329 3.27 46.84 0.22 0.36
5 A' 845 845 476.17 9.65 0.72 0.83
6 A' 653 653 2.18 14.24 0.10 0.18
7 A' 606 606 13.07 6.44 0.67 0.80
8 A' 588 588 0.63 0.15 0.45 0.62
9 A' 443 443 32.59 1.53 0.36 0.53
10 A' 173 173 5.99 0.34 0.72 0.84
11 A' 136 136 8.15 8.65 0.73 0.84
12 A" 2275 2275 11.98 161.96 0.75 0.86
13 A" 1223 1223 1.27 7.78 0.75 0.86
14 A" 740 740 88.74 1.14 0.75 0.86
15 A" 631 631 3.18 0.82 0.75 0.86
16 A" 416 416 7.64 5.55 0.75 0.86
17 A" 390 390 0.36 0.25 0.75 0.86
18 A" 133 133 0.00 10.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9277.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9277.8 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 B2PLYP/6-311G**
ABC
0.09378 0.09362 0.04701

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.058 0.000
C2 -0.008 1.282 0.000
N3 0.135 2.477 0.000
C4 -0.008 -0.762 1.242
C5 -0.008 -0.762 -1.242
N6 -0.008 -1.333 2.255
N7 -0.008 -1.333 -2.255
H8 -0.651 3.122 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34012.53951.42721.42722.59032.59033.2451
C21.34011.20392.39112.39113.45283.45281.9498
N32.53951.20393.47163.47164.42974.42971.0170
C41.42722.39113.47162.48381.16313.54344.1281
C51.42722.39113.47162.48383.54341.16314.1281
N62.59033.45284.42971.16313.54344.51015.0347
N72.59033.45284.42973.54341.16314.51015.0347
H83.24511.94981.01704.12814.12815.03475.0347

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.179 C1 C4 N6 179.899
C1 C5 N7 179.899 C2 C1 C4 119.520
C2 C1 C5 119.520 C2 N3 H8 122.558
C4 C1 C5 120.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 C 0.311      
3 N -0.342      
4 C 0.092      
5 C 0.092      
6 N -0.207      
7 N -0.207      
8 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.379 5.310 0.000 5.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.114 -4.657 0.000
y -4.657 -34.646 0.047
z 0.000 0.047 -52.506
Traceless
 xyz
x 5.462 -4.657 0.000
y -4.657 10.664 0.047
z 0.000 0.047 -16.125
Polar
3z2-r2-32.251
x2-y2-3.468
xy-4.657
xz0.000
yz0.047


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.956 0.002 -0.000
y 0.002 12.011 -0.004
z -0.000 -0.004 9.038


<r2> (average value of r2) Å2
<r2> 210.748
(<r2>)1/2 14.517