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All results from a given calculation for C2H2N4 (sym-tetrazine)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-296.303430
Energy at 298.15K-296.308670
HF Energy-296.303430
Nuclear repulsion energy214.043273
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 wB97X-D/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3248 3102 0.00      
2 Ag 1526 1458 0.00      
3 Ag 1074 1025 0.00      
4 Ag 768 733 0.00      
5 Au 351 335 0.00      
6 B1u 3246 3100 3.93      
7 B1u 1260 1203 60.51      
8 B1u 1109 1059 0.54      
9 B2g 957 914 0.00      
10 B2g 808 771 0.00      
11 B2u 1496 1429 1.85      
12 B2u 1169 1116 14.12      
13 B2u 964 920 43.34      
14 B3g 1601 1529 0.00      
15 B3g 1340 1279 0.00      
16 B3g 656 627 0.00      
17 B3u 925 883 1.44      
18 B3u 273 261 58.14      

Unscaled Zero Point Vibrational Energy (zpe) 11384.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 10872.3 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 wB97X-D/TZVP
ABC
0.23071 0.21417 0.11106

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.258
C2 0.000 0.000 -1.258
N3 0.000 1.188 0.648
N4 0.000 -1.188 0.648
N5 0.000 -1.188 -0.648
N6 0.000 1.188 -0.648
H7 0.000 0.000 2.337
H8 0.000 0.000 -2.337

Atom - Atom Distances (Å)
  C1 C2 N3 N4 N5 N6 H7 H8
C12.51701.33551.33552.24612.24611.07863.5956
C22.51702.24612.24611.33551.33553.59561.0786
N31.33552.24612.37542.70591.29582.06503.2126
N41.33552.24612.37541.29582.70592.06503.2126
N52.24611.33552.70591.29582.37543.21262.0650
N62.24611.33551.29582.70592.37543.21262.0650
H71.07863.59562.06502.06503.21263.21264.6742
H83.59561.07863.21263.21262.06502.06504.6742

picture of sym-tetrazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 N6 117.207 C1 N4 N5 117.207
C2 N5 N4 117.207 C2 N6 N3 117.207
N3 C1 N4 125.586 N3 C1 H7 117.207
N4 C1 H7 117.207 N5 C2 N6 125.586
N5 C2 H8 117.207 N6 C2 H8 117.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 C -0.090      
3 N -0.035      
4 N -0.035      
5 N -0.035      
6 N -0.035      
7 H 0.161      
8 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.473 0.000 0.000
y 0.000 -44.481 0.000
z 0.000 0.000 -28.115
Traceless
 xyz
x 3.825 0.000 0.000
y 0.000 -14.187 0.000
z 0.000 0.000 10.362
Polar
3z2-r220.724
x2-y212.008
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.075 0.000 0.000
y 0.000 7.396 0.000
z 0.000 0.000 8.336


<r2> (average value of r2) Å2
<r2> 103.185
(<r2>)1/2 10.158