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

using model chemistry: TPSSh/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 TPSSh/6-311+G(3df,2p)
 hartrees
Energy at 0K-317.302569
Energy at 298.15K 
HF Energy-317.302569
Nuclear repulsion energy212.680918
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/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' 3509 3509 111.19 429.67 0.30 0.46
2 A' 2317 2317 6.47 288.47 0.09 0.16
3 A' 2139 2139 552.86 8.77 0.34 0.51
4 A' 1321 1321 2.96 42.70 0.18 0.30
5 A' 845 845 445.80 8.53 0.43 0.60
6 A' 653 653 2.05 20.19 0.06 0.11
7 A' 596 596 8.16 3.09 0.62 0.76
8 A' 586 586 0.58 0.59 0.65 0.79
9 A' 443 443 27.34 1.35 0.25 0.40
10 A' 175 175 7.03 0.19 0.64 0.78
11 A' 134 134 9.10 8.09 0.72 0.84
12 A" 2303 2303 29.39 194.56 0.75 0.86
13 A" 1209 1209 1.37 10.09 0.75 0.86
14 A" 735 735 77.44 0.91 0.75 0.86
15 A" 626 626 3.90 0.50 0.75 0.86
16 A" 415 415 7.32 2.59 0.75 0.86
17 A" 390 390 0.40 0.21 0.75 0.86
18 A" 131 131 0.00 8.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9263.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9263.7 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 TPSSh/6-311+G(3df,2p)
ABC
0.09425 0.09422 0.04728

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.060 0.000
C2 -0.009 1.279 0.000
N3 0.141 2.469 0.000
C4 -0.009 -0.760 1.240
C5 -0.009 -0.760 -1.240
N6 -0.009 -1.329 2.247
N7 -0.009 -1.329 -2.247
H8 -0.631 3.132 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33912.53321.42401.42402.58082.58083.2521
C21.33911.19912.38692.38693.44283.44281.9545
N32.53321.19913.46233.46234.41564.41561.0180
C41.42402.38693.46232.47951.15683.53294.1324
C51.42402.38693.46232.47953.53291.15684.1324
N62.58083.44284.41561.15683.53294.49415.0339
N72.58083.44284.41563.53291.15684.49415.0339
H83.25211.95451.01804.13244.13245.03395.0339

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.791 C1 C4 N6 179.983
C1 C5 N7 179.983 C2 C1 C4 119.470
C2 C1 C5 119.470 C2 N3 H8 123.461
C4 C1 C5 121.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.953      
2 C 0.790      
3 N -1.061      
4 C 0.720      
5 C 0.720      
6 N -1.164      
7 N -1.164      
8 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.241 5.323 0.000 5.466
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 5.725 0.044 0.000
y 0.044 13.457 0.000
z 0.000 0.000 10.842


<r2> (average value of r2) Å2
<r2> 209.831
(<r2>)1/2 14.486