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

using model chemistry: TPSSh/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-317.310301
Energy at 298.15K 
HF Energy-317.310301
Nuclear repulsion energy212.652550
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-pVTZ
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' 3502 3381 113.79 440.80 0.29 0.45
2 A' 2317 2237 6.42 293.00 0.09 0.16
3 A' 2138 2064 549.10 8.56 0.34 0.51
4 A' 1320 1275 2.91 42.68 0.18 0.30
5 A' 851 822 445.12 8.71 0.40 0.57
6 A' 653 630 1.88 20.46 0.05 0.10
7 A' 598 577 8.07 3.06 0.62 0.76
8 A' 586 566 0.57 0.63 0.66 0.80
9 A' 442 427 26.62 1.29 0.26 0.42
10 A' 175 168 7.14 0.20 0.66 0.79
11 A' 133 128 9.06 7.91 0.72 0.84
12 A" 2304 2223 29.28 193.55 0.75 0.86
13 A" 1209 1167 1.36 9.89 0.75 0.86
14 A" 733 708 76.86 0.88 0.75 0.86
15 A" 626 604 3.86 0.48 0.75 0.86
16 A" 412 398 7.21 2.39 0.75 0.86
17 A" 388 374 0.38 0.20 0.75 0.86
18 A" 130 125 0.00 8.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9258.0 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 8935.8 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-pVTZ
ABC
0.09429 0.09413 0.04727

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.060 0.000
C2 -0.010 1.279 0.000
N3 0.142 2.469 0.000
C4 -0.010 -0.760 1.240
C5 -0.010 -0.760 -1.240
N6 -0.010 -1.328 2.248
N7 -0.010 -1.328 -2.248
H8 -0.631 3.131 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33932.53351.42421.42422.58122.58123.2509
C21.33931.19932.38702.38703.44293.44291.9532
N32.53351.19933.46243.46244.41544.41541.0176
C41.42422.38703.46242.48051.15703.53444.1310
C51.42422.38703.46242.48053.53441.15704.1310
N62.58123.44294.41541.15703.53444.49645.0324
N72.58123.44294.41543.53441.15704.49645.0324
H83.25091.95321.01764.13104.13105.03245.0324

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.740 C1 C4 N6 179.954
C1 C5 N7 179.954 C2 C1 C4 119.447
C2 C1 C5 119.447 C2 N3 H8 123.322
C4 C1 C5 121.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.936      
2 C 0.191      
3 N -0.457      
4 C 0.222      
5 C 0.222      
6 N -0.642      
7 N -0.642      
8 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.235 5.314 0.000 5.456
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 5.772 0.032 0.000
y 0.032 13.488 0.000
z 0.000 0.000 10.876


<r2> (average value of r2) Å2
<r2> 209.867
(<r2>)1/2 14.487