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

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-296.281234
Energy at 298.15K-296.286496
HF Energy-296.281234
Nuclear repulsion energy213.722114
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/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 Ag 3236 3095 0.00      
2 Ag 1532 1465 0.00      
3 Ag 1072 1026 0.00      
4 Ag 764 731 0.00      
5 Au 353 338 0.00      
6 B1u 3235 3094 5.92      
7 B1u 1258 1204 62.86      
8 B1u 1109 1061 2.17      
9 B2g 996 953 0.00      
10 B2g 836 800 0.00      
11 B2u 1488 1423 2.32      
12 B2u 1167 1116 15.44      
13 B2u 978 935 43.75      
14 B3g 1606 1536 0.00      
15 B3g 1328 1270 0.00      
16 B3g 653 624 0.00      
17 B3u 932 892 1.82      
18 B3u 276 264 58.63      

Unscaled Zero Point Vibrational Energy (zpe) 11409.6 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 10913.3 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/6-311G**
ABC
0.23011 0.21343 0.11073

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.261
C2 0.000 0.000 -1.261
N3 0.000 1.189 0.649
N4 0.000 -1.189 0.649
N5 0.000 -1.189 -0.649
N6 0.000 1.189 -0.649
H7 0.000 0.000 2.341
H8 0.000 0.000 -2.341

Atom - Atom Distances (Å)
  C1 C2 N3 N4 N5 N6 H7 H8
C12.52131.33701.33702.24972.24971.07993.6012
C22.52132.24972.24971.33701.33703.60121.0799
N31.33702.24972.37802.70931.29832.06753.2174
N41.33702.24972.37801.29832.70932.06753.2174
N52.24971.33702.70931.29832.37803.21742.0675
N62.24971.33701.29832.70932.37803.21742.0675
H71.07993.60122.06752.06753.21743.21744.6811
H83.60121.07993.21743.21742.06752.06754.6811

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 117.217 C1 N4 N5 117.217
C2 N5 N4 117.217 C2 N6 N3 117.217
N3 C1 N4 125.566 N3 C1 H7 117.217
N4 C1 H7 117.217 N5 C2 N6 125.566
N5 C2 H8 117.217 N6 C2 H8 117.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.124      
2 C 0.124      
3 N -0.146      
4 N -0.146      
5 N -0.146      
6 N -0.146      
7 H 0.167      
8 H 0.167      


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 -32.416 0.000 0.000
y 0.000 -43.994 0.000
z 0.000 0.000 -27.802
Traceless
 xyz
x 3.482 0.000 0.000
y 0.000 -13.885 0.000
z 0.000 0.000 10.403
Polar
3z2-r220.806
x2-y211.578
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.406 0.000 0.000
y 0.000 6.741 0.000
z 0.000 0.000 8.006


<r2> (average value of r2) Å2
<r2> 103.248
(<r2>)1/2 10.161