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

using model chemistry: MP2=FULL/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=FULL/6-311G**
 hartrees
Energy at 0K-316.540022
Energy at 298.15K 
HF Energy-315.385583
Nuclear repulsion energy211.164348
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/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' 3577 3393 137.44 415.86 0.31 0.47
2 A' 2206 2092 49.06 213.43 0.11 0.19
3 A' 2149 2038 421.43 9.00 0.46 0.63
4 A' 1336 1267 5.01 52.84 0.24 0.39
5 A' 815 773 530.74 21.68 0.57 0.72
6 A' 652 618 1.38 13.56 0.11 0.19
7 A' 581 551 0.28 0.35 0.74 0.85
8 A' 575 546 14.18 6.81 0.61 0.76
9 A' 437 414 39.89 2.75 0.34 0.51
10 A' 165 157 5.27 0.56 0.73 0.85
11 A' 134 127 7.55 7.73 0.73 0.85
12 A" 2211 2097 1.28 148.04 0.75 0.86
13 A" 1228 1165 0.65 8.69 0.75 0.86
14 A" 744 706 88.62 1.41 0.75 0.86
15 A" 627 594 2.42 0.35 0.75 0.86
16 A" 401 380 6.72 5.00 0.75 0.86
17 A" 388 368 0.11 0.35 0.75 0.86
18 A" 130 124 0.00 9.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9176.5 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 8704.9 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/6-311G**
ABC
0.09320 0.09287 0.04669

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.057 0.000
C2 -0.010 1.284 0.000
N3 0.147 2.485 0.000
C4 -0.010 -0.761 1.242
C5 -0.010 -0.761 -1.242
N6 -0.010 -1.339 2.266
N7 -0.010 -1.339 -2.266
H8 -0.643 3.127 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34032.54621.42791.42792.60412.60413.2456
C21.34031.21132.39232.39233.46653.46651.9487
N32.54621.21133.47873.47874.44804.44801.0179
C41.42792.39233.47872.48431.17623.55574.1299
C51.42792.39233.47872.48433.55571.17624.1299
N62.60413.46654.44801.17623.55574.53245.0480
N72.60413.46654.44803.55571.17624.53245.0480
H83.24561.94871.01794.12994.12995.04805.0480

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.566 C1 C4 N6 179.920
C1 C5 N7 179.920 C2 C1 C4 119.549
C2 C1 C5 119.549 C2 N3 H8 121.656
C4 C1 C5 120.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability