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: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-316.947558
Energy at 298.15K 
HF Energy-316.599392
Nuclear repulsion energy210.864835
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 B2PLYP=FULL/aug-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' 3532 3397 127.37 408.12 0.29 0.45
2 A' 2260 2174 7.18 279.67 0.09 0.16
3 A' 2130 2048 530.71 9.00 0.21 0.35
4 A' 1325 1274 3.84 49.66 0.19 0.32
5 A' 865 832 450.61 13.42 0.38 0.55
6 A' 652 628 1.82 20.62 0.06 0.11
7 A' 589 567 8.74 3.96 0.59 0.74
8 A' 576 554 0.67 0.83 0.50 0.67
9 A' 433 416 26.48 1.72 0.26 0.41
10 A' 172 166 7.28 0.29 0.67 0.80
11 A' 132 127 9.09 7.79 0.72 0.84
12 A" 2257 2170 15.64 193.62 0.75 0.86
13 A" 1222 1175 1.67 10.43 0.75 0.86
14 A" 729 701 78.73 0.85 0.75 0.86
15 A" 621 597 3.04 0.42 0.75 0.86
16 A" 398 383 6.56 2.54 0.75 0.86
17 A" 376 362 0.24 0.18 0.75 0.86
18 A" 130 125 0.02 9.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9199.2 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 8847.8 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
0.09278 0.09262 0.04652

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.059 0.000
C2 -0.010 1.288 0.000
N3 0.147 2.490 0.000
C4 -0.010 -0.765 1.247
C5 -0.010 -0.765 -1.247
N6 -0.010 -1.341 2.268
N7 -0.010 -1.341 -2.268
H8 -0.641 3.139 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34722.55391.43271.43272.60492.60493.2598
C21.34721.21212.40182.40183.47183.47181.9555
N32.55391.21213.48893.48894.45444.45441.0209
C41.43272.40183.48892.49391.17223.56174.1463
C51.43272.40183.48892.49393.56171.17224.1463
N62.60493.47184.45441.17223.56174.53575.0606
N72.60493.47184.45443.56171.17224.53575.0606
H83.25981.95551.02094.14634.14635.06065.0606

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.544 C1 C4 N6 179.929
C1 C5 N7 179.929 C2 C1 C4 119.503
C2 C1 C5 119.503 C2 N3 H8 122.031
C4 C1 C5 120.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability