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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-316.928612
Energy at 298.15K 
HF Energy-316.928612
Nuclear repulsion energy211.742234
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 PBEPBE/6-311+G(3df,2p)
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' 3442 3414 94.32 487.60 0.30 0.46
2 A' 2257 2239 3.84 300.60 0.09 0.17
3 A' 2107 2090 495.74 8.94 0.35 0.52
4 A' 1295 1284 3.18 40.47 0.18 0.30
5 A' 826 820 420.00 8.54 0.41 0.58
6 A' 644 639 1.97 22.01 0.06 0.11
7 A' 579 574 6.20 2.41 0.60 0.75
8 A' 569 564 0.49 0.80 0.64 0.78
9 A' 426 422 22.54 1.22 0.23 0.38
10 A' 170 168 6.45 0.17 0.60 0.75
11 A' 130 129 8.58 8.54 0.72 0.84
12 A" 2243 2224 25.35 206.78 0.75 0.86
13 A" 1189 1179 0.49 9.11 0.75 0.86
14 A" 708 703 74.21 1.06 0.75 0.86
15 A" 607 602 3.69 0.30 0.75 0.86
16 A" 399 396 7.19 2.28 0.75 0.86
17 A" 375 372 0.41 0.26 0.75 0.86
18 A" 126 125 0.01 9.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9045.9 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 8971.7 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 PBEPBE/6-311+G(3df,2p)
ABC
0.09361 0.09336 0.04691

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.061 0.000
C2 -0.011 1.285 0.000
N3 0.147 2.480 0.000
C4 -0.011 -0.762 1.241
C5 -0.011 -0.762 -1.241
N6 -0.011 -1.337 2.256
N7 -0.011 -1.337 -2.256
H8 -0.624 3.154 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34582.54591.42551.42552.59132.59133.2733
C21.34581.20562.39372.39373.45823.45821.9675
N32.54591.20563.47513.47514.43614.43611.0242
C41.42552.39373.47512.48251.16583.54374.1538
C51.42552.39373.47512.48253.54371.16584.1538
N62.59133.45824.43611.16583.54374.51125.0628
N72.59133.45824.43613.54371.16584.51125.0628
H83.27331.96751.02424.15384.15385.06285.0628

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.474 C1 C4 N6 179.929
C1 C5 N7 179.929 C2 C1 C4 119.455
C2 C1 C5 119.455 C2 N3 H8 123.652
C4 C1 C5 121.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.877      
2 C 0.633      
3 N -0.951      
4 C 0.627      
5 C 0.627      
6 N -1.020      
7 N -1.020      
8 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.203 5.314 0.000 5.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.368 -4.276 0.000
y -4.276 -34.720 0.000
z 0.000 0.000 -53.024
Traceless
 xyz
x 5.504 -4.276 0.000
y -4.276 10.976 0.000
z 0.000 0.000 -16.480
Polar
3z2-r2-32.961
x2-y2-3.648
xy-4.276
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.867 0.056 0.000
y 0.056 13.908 0.000
z 0.000 0.000 11.310


<r2> (average value of r2) Å2
<r2> 211.423
(<r2>)1/2 14.540