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

using model chemistry: MP2=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-315.887123
Energy at 298.15K 
HF Energy-315.152721
Nuclear repulsion energy208.025039
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/6-31G
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 3398 136.78 494.67 0.31 0.48
2 A' 2146 2039 327.06 191.73 0.13 0.23
3 A' 2097 1992 100.71 50.61 0.10 0.18
4 A' 1312 1246 3.12 68.14 0.28 0.44
5 A' 804 764 790.24 20.78 0.72 0.84
6 A' 640 608 0.22 12.77 0.10 0.18
7 A' 606 576 2.61 10.98 0.72 0.84
8 A' 594 565 0.30 0.49 0.23 0.37
9 A' 392 373 14.14 1.63 0.46 0.63
10 A' 169 161 4.78 0.33 0.73 0.84
11 A' 137 130 6.99 8.98 0.73 0.84
12 A" 2126 2020 1.40 153.45 0.75 0.86
13 A" 1188 1129 0.40 7.20 0.75 0.86
14 A" 785 746 128.43 1.75 0.75 0.86
15 A" 635 603 2.90 0.27 0.75 0.86
16 A" 377 358 1.36 0.06 0.75 0.86
17 A" 336 320 5.24 7.12 0.75 0.86
18 A" 135 129 0.10 11.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9028.6 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 8578.1 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/6-31G
ABC
0.09112 0.08971 0.04534

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 -0.049 0.000
C2 -0.021 1.307 0.000
N3 0.183 2.517 0.000
C4 -0.021 -0.771 1.248
C5 -0.021 -0.771 -1.248
N6 -0.021 -1.373 2.291
N7 -0.021 -1.373 -2.291
H8 -0.470 3.300 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35612.57461.44221.44222.64642.64643.3791
C21.35611.22752.42422.42423.52603.52602.0430
N32.57461.22753.52333.52334.51974.51971.0195
C41.44222.42423.52332.49701.20423.59074.2818
C51.44222.42423.52332.49703.59071.20424.2818
N62.64643.52604.51971.20423.59074.58285.2240
N72.64643.52604.51973.59071.20424.58285.2240
H83.37912.04301.01954.28184.28185.22405.2240

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 170.411 C1 C4 N6 179.962
C1 C5 N7 179.962 C2 C1 C4 120.036
C2 C1 C5 120.036 C2 N3 H8 130.565
C4 C1 C5 119.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability