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

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-296.202949
Energy at 298.15K-296.208221
HF Energy-296.202949
Nuclear repulsion energy213.388687
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 M06-2X/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 Ag 3258 3085 0.00      
2 Ag 1557 1475 0.00      
3 Ag 1089 1031 0.00      
4 Ag 765 724 0.00      
5 Au 356 337 0.00      
6 B1u 3256 3084 4.92      
7 B1u 1273 1206 65.87      
8 B1u 1107 1048 4.33      
9 B2g 1009 956 0.00      
10 B2g 834 790 0.00      
11 B2u 1509 1429 2.22      
12 B2u 1182 1119 14.12      
13 B2u 980 928 40.66      
14 B3g 1634 1547 0.00      
15 B3g 1342 1271 0.00      
16 B3g 653 618 0.00      
17 B3u 942 892 1.45      
18 B3u 298 282 52.46      

Unscaled Zero Point Vibrational Energy (zpe) 11521.0 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 10910.4 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 M06-2X/6-31G*
ABC
0.22969 0.21247 0.11037

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.260
C2 0.000 0.000 -1.260
N3 0.000 1.190 0.657
N4 0.000 -1.190 0.657
N5 0.000 -1.190 -0.657
N6 0.000 1.190 -0.657
H7 0.000 0.000 2.345
H8 0.000 0.000 -2.345

Atom - Atom Distances (Å)
  C1 C2 N3 N4 N5 N6 H7 H8
C12.52091.33441.33442.25682.25681.08463.6056
C22.52092.25682.25681.33441.33443.60561.0846
N31.33442.25682.38042.71891.31402.06553.2294
N41.33442.25682.38041.31402.71892.06553.2294
N52.25681.33442.71891.31402.38043.22942.0655
N62.25681.33441.31402.71892.38043.22942.0655
H71.08463.60562.06552.06553.22943.22944.6902
H83.60561.08463.22943.22942.06552.06554.6902

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 116.887 C1 N4 N5 116.887
C2 N5 N4 116.887 C2 N6 N3 116.887
N3 C1 N4 126.227 N3 C1 H7 116.887
N4 C1 H7 116.887 N5 C2 N6 126.227
N5 C2 H8 116.887 N6 C2 H8 116.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.177      
2 C 0.177      
3 N -0.202      
4 N -0.202      
5 N -0.202      
6 N -0.202      
7 H 0.227      
8 H 0.227      


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 -32.571 0.000 0.000
y 0.000 -43.400 0.000
z 0.000 0.000 -27.805
Traceless
 xyz
x 3.031 0.000 0.000
y 0.000 -13.212 0.000
z 0.000 0.000 10.181
Polar
3z2-r220.362
x2-y210.829
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.950 0.000 0.000
y 0.000 6.491 0.000
z 0.000 0.000 7.785


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000