return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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-316.530840
Energy at 298.15K 
HF Energy-315.381435
Nuclear repulsion energy211.180113
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' 3589 3399 132.82 413.28 0.32 0.48
2 A' 2206 2089 55.77 214.72 0.11 0.19
3 A' 2153 2040 420.66 6.61 0.50 0.67
4 A' 1337 1266 4.90 54.30 0.24 0.39
5 A' 832 788 605.36 19.43 0.58 0.73
6 A' 652 618 1.48 13.64 0.11 0.19
7 A' 582 551 0.83 0.83 0.72 0.84
8 A' 577 547 10.85 5.95 0.63 0.77
9 A' 444 420 35.16 2.16 0.35 0.52
10 A' 165 156 4.97 0.60 0.74 0.85
11 A' 133 126 7.60 7.80 0.73 0.84
12 A" 2211 2094 1.76 150.17 0.75 0.86
13 A" 1229 1164 0.53 8.91 0.75 0.86
14 A" 752 712 101.73 1.27 0.75 0.86
15 A" 628 595 2.62 0.38 0.75 0.86
16 A" 402 381 7.19 4.91 0.75 0.86
17 A" 389 368 0.12 0.33 0.75 0.86
18 A" 131 124 0.00 10.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9206.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 8719.0 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
0.09322 0.09287 0.04668

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 -0.011 -0.058 0.000
C2 -0.011 1.284 0.000
N3 0.149 2.482 0.000
C4 -0.011 -0.761 1.242
C5 -0.011 -0.761 -1.242
N6 -0.011 -1.339 2.267
N7 -0.011 -1.339 -2.267
H8 -0.615 3.153 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34122.54501.42751.42752.60372.60373.2667
C21.34121.20942.39252.39253.46643.46641.9642
N32.54501.20943.47703.47704.44604.44601.0160
C41.42752.39253.47702.48421.17623.55594.1505
C51.42752.39253.47702.48423.55591.17624.1505
N62.60373.46644.44601.17623.55594.53315.0674
N72.60373.46644.44603.55591.17624.53315.0674
H83.26671.96421.01604.15054.15055.06745.0674

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.396 C1 C4 N6 179.894
C1 C5 N7 179.894 C2 C1 C4 119.531
C2 C1 C5 119.531 C2 N3 H8 123.688
C4 C1 C5 120.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability