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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-316.327874
Energy at 298.15K 
HF Energy-315.337739
Nuclear repulsion energy209.556924
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=FULL/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' 3546 3370 124.06 459.87 0.31 0.47
2 A' 2196 2087 51.93 210.43 0.11 0.19
3 A' 2138 2032 378.89 10.40 0.55 0.71
4 A' 1337 1271 7.10 48.63 0.25 0.40
5 A' 847 805 493.03 23.91 0.54 0.70
6 A' 653 620 1.08 13.66 0.10 0.19
7 A' 574 546 0.16 0.26 0.74 0.85
8 A' 568 540 11.96 6.79 0.62 0.76
9 A' 425 404 35.89 3.03 0.32 0.49
10 A' 166 157 4.87 0.58 0.73 0.84
11 A' 131 124 6.96 7.19 0.73 0.84
12 A" 2201 2092 0.64 141.30 0.75 0.86
13 A" 1230 1169 0.94 7.64 0.75 0.86
14 A" 739 702 82.86 2.01 0.75 0.86
15 A" 618 588 1.99 0.16 0.75 0.86
16 A" 389 369 6.15 3.90 0.75 0.86
17 A" 377 358 0.01 0.40 0.75 0.86
18 A" 128 122 0.00 9.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9131.7 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 8678.7 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=FULL/cc-pVDZ
ABC
0.09180 0.09154 0.04601

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.056 0.000
C2 -0.011 1.293 0.000
N3 0.155 2.505 0.000
C4 -0.011 -0.765 1.250
C5 -0.011 -0.765 -1.250
N6 -0.011 -1.350 2.283
N7 -0.011 -1.350 -2.283
H8 -0.656 3.134 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34982.56641.43671.43672.62432.62433.2545
C21.34981.22262.40832.40833.49313.49311.9499
N32.56641.22263.50463.50464.48344.48341.0263
C41.43672.40833.50462.49921.18763.58084.1448
C51.43672.40833.50462.49923.58081.18764.1448
N62.62433.49314.48341.18763.58084.56635.0728
N72.62433.49314.48343.58081.18764.56635.0728
H83.25451.94991.02634.14484.14485.07285.0728

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.195 C1 C4 N6 179.936
C1 C5 N7 179.936 C2 C1 C4 119.570
C2 C1 C5 119.570 C2 N3 H8 119.982
C4 C1 C5 120.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability