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

using model chemistry: MP2=FULL/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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-316.734342
Energy at 298.15K 
HF Energy-315.428081
Nuclear repulsion energy212.765063
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/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' 3580 3406 177.89 377.47 0.28 0.43
2 A' 2222 2114 53.12 291.06 0.08 0.15
3 A' 2167 2061 504.76 4.32 0.48 0.65
4 A' 1346 1281 3.02 56.92 0.20 0.34
5 A' 782 744 524.86 19.43 0.33 0.49
6 A' 660 628 2.79 20.27 0.06 0.11
7 A' 590 562 19.66 4.19 0.48 0.64
8 A' 577 549 0.77 1.10 0.51 0.67
9 A' 447 425 40.56 2.51 0.26 0.42
10 A' 172 163 6.42 0.45 0.71 0.83
11 A' 129 123 9.28 6.65 0.72 0.84
12 A" 2228 2120 7.36 178.99 0.75 0.86
13 A" 1242 1181 0.28 11.24 0.75 0.86
14 A" 741 705 79.04 0.69 0.75 0.86
15 A" 624 594 2.98 0.23 0.75 0.86
16 A" 403 384 5.84 2.06 0.75 0.86
17 A" 380 361 0.35 0.12 0.75 0.86
18 A" 126 120 0.00 8.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9207.2 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 8759.7 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/aug-cc-pVTZ
ABC
0.09506 0.09391 0.04740

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.063 0.000
C2 -0.010 1.269 0.000
N3 0.141 2.461 0.000
C4 -0.010 -0.755 1.234
C5 -0.010 -0.755 -1.234
N6 -0.010 -1.323 2.255
N7 -0.010 -1.323 -2.255
H8 -0.619 3.131 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33172.52781.41471.41472.58332.58333.2512
C21.33171.20112.37062.37063.43583.43581.9590
N32.52781.20113.44783.44784.40754.40751.0129
C41.41472.37063.44782.46701.16863.53424.1227
C51.41472.37063.44782.46703.53421.16864.1227
N62.58333.43584.40751.16863.53424.50955.0296
N72.58333.43584.40753.53421.16864.50955.0296
H83.25121.95901.01294.12274.12275.02965.0296

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.807 C1 C4 N6 179.762
C1 C5 N7 179.762 C2 C1 C4 119.320
C2 C1 C5 119.320 C2 N3 H8 124.250
C4 C1 C5 121.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability