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

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-317.225279
Energy at 298.15K 
HF Energy-317.225279
Nuclear repulsion energy211.158078
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 TPSSh/cc-pVDZ
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' 3462 3367 83.37 524.72 0.31 0.48
2 A' 2322 2258 7.52 207.44 0.11 0.20
3 A' 2144 2085 482.50 7.46 0.30 0.47
4 A' 1327 1290 6.85 38.97 0.21 0.35
5 A' 884 859 412.13 9.57 0.71 0.83
6 A' 656 638 2.20 15.61 0.10 0.17
7 A' 596 579 8.42 5.21 0.69 0.82
8 A' 583 567 0.66 0.26 0.47 0.64
9 A' 431 419 25.98 1.40 0.33 0.50
10 A' 173 168 5.57 0.28 0.69 0.82
11 A' 133 129 7.20 8.63 0.73 0.84
12 A" 2311 2248 23.44 168.81 0.75 0.86
13 A" 1220 1186 2.62 6.25 0.75 0.86
14 A" 728 708 78.46 2.16 0.75 0.86
15 A" 621 604 2.60 0.50 0.75 0.86
16 A" 412 401 7.72 4.46 0.75 0.86
17 A" 385 374 0.16 0.29 0.75 0.86
18 A" 129 126 0.00 10.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9258.9 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 9003.3 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 TPSSh/cc-pVDZ
ABC
0.09301 0.09291 0.04666

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.060 0.000
C2 -0.010 1.288 0.000
N3 0.146 2.489 0.000
C4 -0.010 -0.764 1.245
C5 -0.010 -0.764 -1.245
N6 -0.010 -1.339 2.262
N7 -0.010 -1.339 -2.262
H8 -0.664 3.121 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34782.55381.43081.43082.59922.59923.2477
C21.34781.21132.40032.40033.46723.46721.9466
N32.55381.21133.48693.48694.44994.44991.0277
C41.43082.40033.48692.49101.16843.55474.1322
C51.43082.40033.48692.49103.55471.16844.1322
N62.59923.46724.44991.16843.55474.52465.0443
N72.59923.46724.44993.55471.16844.52465.0443
H83.24771.94661.02774.13224.13225.04435.0443

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.603 C1 C4 N6 179.971
C1 C5 N7 179.971 C2 C1 C4 119.482
C2 C1 C5 119.482 C2 N3 H8 120.560
C4 C1 C5 121.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.069      
2 C 0.222      
3 N -0.136      
4 C 0.036      
5 C 0.036      
6 N -0.130      
7 N -0.130      
8 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.320 5.105 0.000 5.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.826 -0.073 0.000
y -0.073 12.000 0.000
z 0.000 0.000 9.216


<r2> (average value of r2) Å2
<r2> 211.584
(<r2>)1/2 14.546