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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-316.931320
Energy at 298.15K 
HF Energy-316.931320
Nuclear repulsion energy211.697349
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 PBEPBEultrafine/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' 3433 3409 83.91 521.89 0.31 0.47
2 A' 2259 2243 3.52 248.35 0.11 0.19
3 A' 2108 2093 464.94 7.59 0.37 0.54
4 A' 1294 1285 3.39 38.52 0.19 0.32
5 A' 837 831 423.03 6.25 0.67 0.80
6 A' 644 639 1.79 18.12 0.08 0.15
7 A' 584 580 6.44 2.91 0.65 0.79
8 A' 570 566 0.59 0.58 0.62 0.77
9 A' 425 422 22.46 1.05 0.30 0.46
10 A' 170 169 6.08 0.18 0.67 0.80
11 A' 129 128 7.91 8.55 0.73 0.84
12 A" 2245 2229 21.55 187.76 0.75 0.86
13 A" 1188 1180 0.43 7.25 0.75 0.86
14 A" 708 703 75.16 1.43 0.75 0.86
15 A" 608 604 3.61 0.30 0.75 0.86
16 A" 399 396 7.25 2.95 0.75 0.86
17 A" 375 372 0.32 0.28 0.75 0.86
18 A" 125 124 0.02 9.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9049.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 8987.5 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 PBEPBEultrafine/cc-pVTZ
ABC
0.09351 0.09338 0.04689

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.061 0.000
C2 -0.011 1.285 0.000
N3 0.147 2.481 0.000
C4 -0.011 -0.762 1.242
C5 -0.011 -0.762 -1.242
N6 -0.011 -1.336 2.257
N7 -0.011 -1.336 -2.257
H8 -0.630 3.147 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34592.54671.42581.42582.59202.59203.2680
C21.34591.20622.39412.39413.45843.45841.9631
N32.54671.20623.47603.47604.43664.43661.0241
C41.42582.39413.47602.48301.16623.54514.1487
C51.42582.39413.47602.48303.54511.16624.1487
N62.59203.45844.43661.16623.54514.51385.0574
N72.59203.45844.43663.54511.16624.51385.0574
H83.26801.96311.02414.14874.14875.05745.0574

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.492 C1 C4 N6 179.996
C1 C5 N7 179.996 C2 C1 C4 119.453
C2 C1 C5 119.453 C2 N3 H8 123.123
C4 C1 C5 121.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.027      
2 C 0.128      
3 N -0.080      
4 C -0.064      
5 C -0.064      
6 N -0.048      
7 N -0.048      
8 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.223 5.265 0.000 5.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.999 -4.251 0.000
y -4.251 -34.271 0.000
z 0.000 0.000 -52.174
Traceless
 xyz
x 5.224 -4.251 0.000
y -4.251 10.815 0.000
z 0.000 0.000 -16.039
Polar
3z2-r2-32.077
x2-y2-3.728
xy-4.251
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.841 -0.004 0.000
y -0.004 12.990 0.000
z 0.000 0.000 10.383


<r2> (average value of r2) Å2
<r2> 211.128
(<r2>)1/2 14.530