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All results from a given calculation for C2H4N4 (2H-Tetrazole, 2-methyl-)

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-295.613565
Energy at 298.15K-295.621422
Nuclear repulsion energy232.888610
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 HF/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 A 3552 3207 0.57      
2 A 3362 3036 1.28      
3 A 3334 3010 9.57      
4 A 3247 2932 19.82      
5 A 1666 1504 10.78      
6 A 1641 1482 15.27      
7 A 1628 1470 9.85      
8 A 1618 1461 2.38      
9 A 1546 1396 56.97      
10 A 1426 1287 9.06      
11 A 1419 1281 14.53      
12 A 1359 1227 13.42      
13 A 1286 1161 0.15      
14 A 1234 1114 17.63      
15 A 1145 1034 15.27      
16 A 1122 1013 8.18      
17 A 1098 991 42.41      
18 A 1026 927 18.22      
19 A 800 722 11.78      
20 A 774 699 4.86      
21 A 762 688 22.24      
22 A 404 365 6.97      
23 A 277 250 11.47      
24 A 80 72 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 17901.8 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 16163.5 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 HF/6-31G
ABC
0.33231 0.13122 0.09575

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.311 -1.177 0.000
C2 1.421 -0.601 0.000
N3 0.205 -1.100 -0.000
N4 1.393 0.756 0.000
N5 0.143 1.101 -0.000
N6 -0.560 -0.012 -0.000
H7 -2.355 -0.562 -0.880
H8 -2.355 0.972 -0.003
H9 -2.355 -0.556 0.884
C10 -2.006 -0.047 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.05942.10752.13983.14453.09834.78755.13634.78914.4620
C21.05941.31481.35752.12882.06743.87764.09053.87873.4717
N32.10751.31482.20332.20141.32952.75933.29242.76212.4484
N42.13981.35752.20331.29652.09884.06903.75364.06803.4919
N53.14452.12882.20141.29651.31683.12732.50103.12532.4360
N63.09832.06741.32952.09881.31682.07292.04632.07321.4458
H74.78753.87762.75934.06903.12732.07291.76681.76421.0783
H85.13634.09053.29243.75362.50102.04631.76681.76681.0764
H94.78913.87872.76214.06803.12532.07321.76421.76681.0783
C104.46203.47172.44843.49192.43601.44581.07831.07641.0783

picture of 2H-Tetrazole, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 N3 124.808 H1 C2 N4 124.129
C2 N3 N6 102.859 C2 N4 N5 106.641
N3 C2 N4 111.063 N3 N6 N5 112.582
N3 N6 C10 123.771 N4 N5 N6 106.855
N5 N6 C10 123.647 N6 C10 H7 109.563
N6 C10 H8 107.555 N6 C10 H9 109.583
H7 C10 H8 110.171 H7 C10 H9 109.770
H8 C10 H9 110.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.262 -0.008    
2 C 0.208 0.738    
3 N -0.215 -0.773    
4 N -0.346 -0.500    
5 N 0.064 -0.287    
6 N -0.444 0.809    
7 H 0.212 0.175    
8 H 0.219 0.127    
9 H 0.212 0.175    
10 C -0.172 -0.456    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.631 -1.715 0.001 3.141
CHELPG -2.538 -1.634 0.001 3.019
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.542 -4.962 0.001
y -4.962 -42.049 -0.001
z 0.001 -0.001 -35.134
Traceless
 xyz
x 10.050 -4.962 0.001
y -4.962 -10.211 -0.001
z 0.001 -0.001 0.161
Polar
3z2-r20.322
x2-y213.508
xy-4.962
xz0.001
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.722 -0.067 -0.000
y -0.067 5.991 0.000
z -0.000 0.000 3.347


<r2> (average value of r2) Å2
<r2> 124.100
(<r2>)1/2 11.140