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

using model chemistry: HSEh1PBE/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 HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-316.954548
Energy at 298.15K 
HF Energy-316.954548
Nuclear repulsion energy213.445299
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 HSEh1PBE/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' 3561 3425 150.70 383.01 0.29 0.45
2 A' 2371 2281 9.24 288.29 0.09 0.16
3 A' 2183 2100 619.51 8.59 0.37 0.54
4 A' 1352 1301 1.53 43.08 0.18 0.30
5 A' 828 797 446.25 7.42 0.43 0.60
6 A' 664 639 2.57 19.16 0.05 0.10
7 A' 616 592 14.73 3.31 0.59 0.74
8 A' 595 573 0.46 0.55 0.59 0.74
9 A' 453 436 32.97 1.21 0.28 0.43
10 A' 176 169 7.48 0.21 0.68 0.81
11 A' 135 130 9.65 7.60 0.72 0.84
12 A" 2360 2270 34.64 188.39 0.75 0.86
13 A" 1241 1193 0.83 10.46 0.75 0.86
14 A" 738 710 77.69 0.55 0.75 0.86
15 A" 636 611 4.91 0.69 0.75 0.86
16 A" 422 406 7.43 2.46 0.75 0.86
17 A" 397 382 0.67 0.16 0.75 0.86
18 A" 132 127 0.00 8.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9429.8 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 9069.5 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 HSEh1PBE/aug-cc-pVTZ
ABC
0.09511 0.09464 0.04760

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.061 0.000
C2 -0.006 1.274 0.000
N3 0.127 2.459 0.000
C4 -0.006 -0.759 1.238
C5 -0.006 -0.759 -1.238
N6 -0.006 -1.322 2.242
N7 -0.006 -1.322 -2.242
H8 -0.646 3.116 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33492.52381.42071.42072.57192.57193.2410
C21.33491.19282.37972.37973.42953.42951.9503
N32.52381.19283.45023.45024.39744.39741.0143
C41.42072.37973.45022.47531.15123.52474.1177
C51.42072.37973.45022.47533.52471.15124.1177
N62.57193.42954.39741.15123.52474.48375.0128
N72.57193.42954.39743.52471.15124.48375.0128
H83.24101.95031.01434.11774.11775.01285.0128

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.604 C1 C4 N6 179.863
C1 C5 N7 179.863 C2 C1 C4 119.407
C2 C1 C5 119.407 C2 N3 H8 123.974
C4 C1 C5 121.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.144      
2 C 0.089      
3 N -0.422      
4 C 0.035      
5 C 0.035      
6 N -0.540      
7 N -0.540      
8 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.262 5.391 0.000 5.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.007 -4.407 0.000
y -4.407 -34.674 0.000
z 0.000 0.000 -53.116
Traceless
 xyz
x 5.888 -4.407 0.000
y -4.407 10.887 0.000
z 0.000 0.000 -16.776
Polar
3z2-r2-33.551
x2-y2-3.333
xy-4.407
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.716 0.018 0.000
y 0.018 13.204 0.000
z 0.000 0.000 10.609


<r2> (average value of r2) Å2
<r2> 208.623
(<r2>)1/2 14.444