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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-316.399404
Energy at 298.15K 
HF Energy-315.380849
Nuclear repulsion energy210.972666
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 MP2/6-311G*
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' 3585 3407 130.56 415.49 0.32 0.48
2 A' 2200 2091 53.76 214.78 0.11 0.19
3 A' 2147 2041 418.47 7.14 0.49 0.66
4 A' 1332 1266 5.01 54.41 0.24 0.39
5 A' 833 792 605.44 19.99 0.57 0.73
6 A' 650 618 1.38 13.61 0.10 0.19
7 A' 579 550 0.14 0.23 0.75 0.85
8 A' 569 540 10.66 6.63 0.64 0.78
9 A' 440 418 34.23 2.17 0.35 0.52
10 A' 163 155 4.98 0.61 0.74 0.85
11 A' 133 126 7.57 7.81 0.73 0.84
12 A" 2205 2095 1.61 149.98 0.75 0.86
13 A" 1224 1163 0.59 8.96 0.75 0.86
14 A" 751 714 101.79 1.31 0.75 0.86
15 A" 626 595 2.48 0.36 0.75 0.86
16 A" 398 378 7.14 4.85 0.75 0.86
17 A" 386 367 0.05 0.41 0.75 0.86
18 A" 130 124 0.00 10.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9175.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 8719.7 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 MP2/6-311G*
ABC
0.09305 0.09266 0.04659

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.058 0.000
C2 -0.012 1.285 0.000
N3 0.151 2.485 0.000
C4 -0.012 -0.762 1.244
C5 -0.012 -0.762 -1.244
N6 -0.012 -1.340 2.269
N7 -0.012 -1.340 -2.269
H8 -0.613 3.155 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34252.54731.42931.42932.60642.60643.2682
C21.34251.21052.39522.39523.46993.46991.9643
N32.54731.21053.48043.48044.45024.45021.0163
C41.42932.39523.48042.48731.17713.55994.1533
C51.42932.39523.48042.48733.55991.17714.1533
N62.60643.46994.45021.17713.55994.53805.0711
N72.60643.46994.45023.55991.17714.53805.0711
H83.26821.96431.01634.15334.15335.07115.0711

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.301 C1 C4 N6 179.895
C1 C5 N7 179.895 C2 C1 C4 119.528
C2 C1 C5 119.528 C2 N3 H8 123.558
C4 C1 C5 120.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability