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

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-316.311488
Energy at 298.15K 
HF Energy-315.337182
Nuclear repulsion energy209.382680
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/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' 3541 3372 122.16 462.41 0.31 0.47
2 A' 2192 2088 49.61 210.46 0.11 0.19
3 A' 2133 2032 378.19 11.15 0.53 0.70
4 A' 1334 1271 7.22 48.65 0.25 0.40
5 A' 849 808 491.28 24.42 0.53 0.70
6 A' 651 621 1.03 13.64 0.10 0.19
7 A' 573 546 0.11 0.20 0.69 0.82
8 A' 564 538 11.45 6.89 0.62 0.77
9 A' 424 403 35.29 3.06 0.32 0.49
10 A' 165 157 4.87 0.58 0.73 0.84
11 A' 130 124 6.95 7.20 0.73 0.84
12 A" 2197 2093 0.56 141.20 0.75 0.86
13 A" 1227 1168 1.00 7.67 0.75 0.86
14 A" 738 703 82.80 2.06 0.75 0.86
15 A" 617 588 1.96 0.16 0.75 0.86
16 A" 387 368 6.12 3.89 0.75 0.86
17 A" 376 358 0.00 0.44 0.75 0.86
18 A" 128 122 0.00 9.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9112.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 8679.2 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/cc-pVDZ
ABC
0.09165 0.09137 0.04593

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/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 1.295 0.000
N3 0.156 2.507 0.000
C4 -0.011 -0.766 1.251
C5 -0.011 -0.766 -1.251
N6 -0.011 -1.351 2.285
N7 -0.011 -1.351 -2.285
H8 -0.657 3.135 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35092.56841.43821.43822.62652.62653.2557
C21.35091.22362.41062.41063.49613.49611.9500
N32.56841.22363.50763.50764.48714.48711.0272
C41.43822.41063.50762.50181.18833.58414.1470
C51.43822.41063.50762.50183.58411.18834.1470
N62.62653.49614.48711.18833.58414.57025.0758
N72.62653.49614.48713.58411.18834.57025.0758
H83.25571.95001.02724.14704.14705.07585.0758

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.132 C1 C4 N6 179.936
C1 C5 N7 179.936 C2 C1 C4 119.570
C2 C1 C5 119.570 C2 N3 H8 119.833
C4 C1 C5 120.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability