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

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-317.226577
Energy at 298.15K 
HF Energy-317.226577
Nuclear repulsion energy211.600294
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 B3LYP/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' 3508 3404 119.15 431.39 0.29 0.45
2 A' 2336 2267 8.87 294.78 0.09 0.17
3 A' 2145 2081 580.08 9.24 0.30 0.46
4 A' 1331 1291 3.87 45.47 0.18 0.30
5 A' 866 840 428.60 10.08 0.41 0.58
6 A' 655 636 2.29 19.83 0.06 0.10
7 A' 600 583 8.77 3.55 0.60 0.75
8 A' 581 564 0.47 0.75 0.52 0.69
9 A' 433 420 24.98 1.42 0.26 0.41
10 A' 176 171 7.88 0.20 0.63 0.77
11 A' 134 130 9.31 8.04 0.72 0.84
12 A" 2324 2256 30.51 203.42 0.75 0.86
13 A" 1218 1182 2.02 11.17 0.75 0.86
14 A" 727 705 78.01 0.88 0.75 0.86
15 A" 624 606 3.41 0.55 0.75 0.86
16 A" 404 392 7.17 2.53 0.75 0.86
17 A" 382 371 0.31 0.18 0.75 0.86
18 A" 131 128 0.02 9.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9287.8 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 9012.9 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 B3LYP/aug-cc-pVDZ
ABC
0.09331 0.09325 0.04681

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.059 0.000
C2 -0.009 1.286 0.000
N3 0.142 2.483 0.000
C4 -0.009 -0.764 1.245
C5 -0.009 -0.764 -1.245
N6 -0.009 -1.336 2.258
N7 -0.009 -1.336 -2.258
H8 -0.644 3.135 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34532.54641.43141.43142.59442.59443.2561
C21.34531.20612.39942.39943.46103.46101.9542
N32.54641.20613.48133.48134.43954.43951.0213
C41.43142.39943.48132.49091.16303.54994.1422
C51.43142.39943.48132.49093.54991.16304.1422
N62.59443.46104.43951.16303.54994.51605.0491
N72.59443.46104.43953.54991.16304.51605.0491
H83.25611.95421.02134.14224.14225.04915.0491

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.772 C1 C4 N6 179.934
C1 C5 N7 179.934 C2 C1 C4 119.530
C2 C1 C5 119.530 C2 N3 H8 122.434
C4 C1 C5 120.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.820      
2 C -0.501      
3 N 0.057      
4 C -0.537      
5 C -0.537      
6 N -0.170      
7 N -0.170      
8 H 0.037      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.273 5.285 0.000 5.436
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.426 -4.467 0.000
y -4.467 -35.545 0.000
z 0.000 0.000 -53.637
Traceless
 xyz
x 6.165 -4.467 0.000
y -4.467 10.486 0.000
z 0.000 0.000 -16.651
Polar
3z2-r2-33.302
x2-y2-2.881
xy-4.467
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.767 0.031 0.000
y 0.031 13.595 0.000
z 0.000 0.000 10.849


<r2> (average value of r2) Å2
<r2> 212.072
(<r2>)1/2 14.563