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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-316.935841
Energy at 298.15K 
HF Energy-316.935841
Nuclear repulsion energy211.708171
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/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' 3431 3393 92.77 500.43 0.30 0.46
2 A' 2255 2230 3.84 305.97 0.09 0.17
3 A' 2103 2079 491.79 8.69 0.34 0.51
4 A' 1294 1279 3.18 40.43 0.18 0.30
5 A' 832 823 417.80 9.02 0.37 0.54
6 A' 644 637 1.76 22.45 0.05 0.10
7 A' 580 574 6.08 2.36 0.60 0.75
8 A' 569 562 0.46 0.83 0.66 0.79
9 A' 425 420 22.15 1.16 0.25 0.40
10 A' 169 167 6.55 0.18 0.63 0.77
11 A' 128 127 8.56 8.35 0.72 0.84
12 A" 2240 2215 25.15 205.31 0.75 0.86
13 A" 1188 1174 0.52 8.96 0.75 0.86
14 A" 707 699 73.36 1.00 0.75 0.86
15 A" 607 600 3.69 0.28 0.75 0.86
16 A" 398 393 7.10 2.09 0.75 0.86
17 A" 374 370 0.38 0.24 0.75 0.86
18 A" 125 124 0.01 9.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9034.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 8933.6 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/aug-cc-pVTZ
ABC
0.09350 0.09340 0.04689

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-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 1.284 0.000
N3 0.148 2.480 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 -0.626 3.151 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34592.54631.42591.42592.59182.59183.2707
C21.34591.20602.39412.39413.45813.45811.9652
N32.54631.20603.47573.47574.43604.43601.0241
C41.42592.39413.47572.48331.16593.54534.1514
C51.42592.39413.47572.48333.54531.16594.1514
N62.59183.45814.43601.16593.54534.51395.0598
N72.59183.45814.43603.54531.16594.51395.0598
H83.27071.96521.02414.15144.15145.05985.0598

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.454 C1 C4 N6 179.995
C1 C5 N7 179.995 C2 C1 C4 119.450
C2 C1 C5 119.450 C2 N3 H8 123.380
C4 C1 C5 121.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.042      
2 C 0.056      
3 N -0.374      
4 C 0.045      
5 C 0.045      
6 N -0.500      
7 N -0.500      
8 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.198 5.294 0.000 5.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.300 -4.251 0.000
y -4.251 -34.780 0.000
z 0.000 0.000 -53.028
Traceless
 xyz
x 5.604 -4.251 0.000
y -4.251 10.884 0.000
z 0.000 0.000 -16.488
Polar
3z2-r2-32.975
x2-y2-3.520
xy-4.251
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.948 0.042 0.000
y 0.042 13.968 0.000
z 0.000 0.000 11.373


<r2> (average value of r2) Å2
<r2> 211.472
(<r2>)1/2 14.542