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

using model chemistry: TPSSh/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-317.241131
Energy at 298.15K 
HF Energy-317.241131
Nuclear repulsion energy211.306618
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/aug-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' 3483 3369 94.50 461.31 0.30 0.46
2 A' 2310 2234 7.52 294.94 0.09 0.17
3 A' 2133 2064 529.93 8.67 0.30 0.46
4 A' 1320 1277 4.94 42.97 0.18 0.30
5 A' 875 846 422.10 11.08 0.40 0.57
6 A' 653 632 1.90 21.32 0.05 0.10
7 A' 585 566 5.71 2.98 0.62 0.76
8 A' 578 559 1.02 0.91 0.56 0.71
9 A' 429 415 23.91 1.48 0.25 0.40
10 A' 173 168 7.19 0.19 0.62 0.77
11 A' 131 127 8.68 8.27 0.72 0.84
12 A" 2298 2223 27.62 202.63 0.75 0.86
13 A" 1213 1173 2.22 9.93 0.75 0.86
14 A" 726 702 76.95 1.10 0.75 0.86
15 A" 619 598 3.08 0.36 0.75 0.86
16 A" 401 388 7.16 2.46 0.75 0.86
17 A" 379 367 0.16 0.25 0.75 0.86
18 A" 128 124 0.01 9.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9216.2 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 8914.8 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 TPSSh/aug-cc-pVDZ
ABC
0.09310 0.09307 0.04671

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.060 0.000
C2 -0.012 1.287 0.000
N3 0.154 2.485 0.000
C4 -0.012 -0.764 1.245
C5 -0.012 -0.764 -1.245
N6 -0.012 -1.338 2.261
N7 -0.012 -1.338 -2.261
H8 -0.635 3.138 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34692.55071.43011.43012.59762.59763.2578
C21.34691.20992.39892.39893.46493.46491.9528
N32.55071.20993.48333.48334.44544.44541.0231
C41.43012.39893.48332.49011.16753.55324.1423
C51.43012.39893.48332.49013.55321.16754.1423
N62.59763.46494.44541.16753.55324.52265.0534
N72.59763.46494.44543.55321.16754.52265.0534
H83.25781.95281.02314.14234.14235.05345.0534

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.144 C1 C4 N6 179.981
C1 C5 N7 179.981 C2 C1 C4 119.473
C2 C1 C5 119.473 C2 N3 H8 121.752
C4 C1 C5 121.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.885      
2 C -0.285      
3 N -0.143      
4 C -0.509      
5 C -0.509      
6 N -0.268      
7 N -0.268      
8 H 0.097      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.249 5.224 0.000 5.371
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 5.786 0.045 0.000
y 0.045 13.695 0.000
z 0.000 0.000 11.026


<r2> (average value of r2) Å2
<r2> 212.159
(<r2>)1/2 14.566