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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-317.094533
Energy at 298.15K 
HF Energy-317.094533
Nuclear repulsion energy212.269874
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 B1B95/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' 3536 3399 125.23 439.23 0.31 0.47
2 A' 2388 2295 11.03 198.72 0.11 0.20
3 A' 2196 2111 555.56 7.25 0.32 0.49
4 A' 1363 1310 4.65 38.94 0.22 0.36
5 A' 862 829 408.83 8.73 0.72 0.83
6 A' 668 642 2.76 14.05 0.10 0.18
7 A' 614 590 14.19 5.45 0.68 0.81
8 A' 591 568 0.55 0.23 0.37 0.54
9 A' 443 426 33.22 1.41 0.38 0.55
10 A' 173 167 5.86 0.30 0.71 0.83
11 A' 135 129 7.68 8.21 0.73 0.84
12 A" 2380 2288 26.79 160.39 0.75 0.86
13 A" 1254 1205 1.97 6.67 0.75 0.86
14 A" 735 706 80.27 1.52 0.75 0.86
15 A" 630 606 3.44 0.75 0.75 0.86
16 A" 423 406 8.03 4.56 0.75 0.86
17 A" 393 378 0.33 0.22 0.75 0.86
18 A" 131 126 0.00 9.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9457.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9090.7 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 B1B95/cc-pVDZ
ABC
0.09410 0.09369 0.04712

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.061 0.000
C2 -0.006 1.280 0.000
N3 0.128 2.476 0.000
C4 -0.006 -0.761 1.242
C5 -0.006 -0.761 -1.242
N6 -0.006 -1.329 2.254
N7 -0.006 -1.329 -2.254
H8 -0.685 3.095 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34082.54001.42591.42592.58612.58613.2281
C21.34081.20322.38932.38933.44763.44761.9380
N32.54001.20323.46953.46954.42414.42411.0223
C41.42592.38933.46952.48401.16023.54164.1078
C51.42592.38933.46952.48403.54161.16024.1078
N62.58613.44764.42411.16023.54164.50755.0113
N72.58613.44764.42413.54161.16024.50755.0113
H83.22811.93801.02234.10784.10785.01135.0113

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.603 C1 C4 N6 179.890
C1 C5 N7 179.890 C2 C1 C4 119.417
C2 C1 C5 119.417 C2 N3 H8 120.900
C4 C1 C5 121.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 C 0.213      
3 N -0.117      
4 C 0.010      
5 C 0.010      
6 N -0.097      
7 N -0.097      
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
  -1.360 5.142 0.000 5.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.425 -4.523 0.000
y -4.523 -33.978 0.000
z 0.000 0.000 -50.968
Traceless
 xyz
x 5.048 -4.523 0.000
y -4.523 10.218 0.000
z 0.000 0.000 -15.266
Polar
3z2-r2-30.532
x2-y2-3.447
xy-4.523
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.767 -0.088 0.000
y -0.088 11.628 0.000
z 0.000 0.000 8.903


<r2> (average value of r2) Å2
<r2> 209.698
(<r2>)1/2 14.481