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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-297.468969
Energy at 298.15K-297.476575
Nuclear repulsion energy232.290771
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 B3PW91/6-31G**
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 3308 3171 0.37      
2 A 3207 3074 0.53      
3 A 3173 3041 5.31      
4 A 3089 2960 18.06      
5 A 1528 1465 4.80      
6 A 1498 1436 14.18      
7 A 1485 1424 11.52      
8 A 1451 1391 2.08      
9 A 1440 1380 9.42      
10 A 1338 1282 18.21      
11 A 1329 1274 9.12      
12 A 1276 1223 11.54      
13 A 1176 1127 10.54      
14 A 1148 1100 0.14      
15 A 1063 1019 28.87      
16 A 1048 1005 12.62      
17 A 1031 988 3.71      
18 A 892 855 10.77      
19 A 729 698 13.15      
20 A 727 697 4.90      
21 A 697 668 6.39      
22 A 375 359 5.34      
23 A 236 226 5.42      
24 A 89 86 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16666.7 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 15973.4 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 B3PW91/6-31G**
ABC
0.32778 0.13167 0.09564

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.305 -1.199 -0.000
C2 1.408 -0.598 0.000
N3 0.186 -1.116 0.000
N4 1.406 0.752 -0.000
N5 0.147 1.108 0.000
N6 -0.553 -0.017 -0.000
H7 -2.362 -0.551 -0.890
H8 -2.335 1.002 -0.003
H9 -2.362 -0.546 0.894
C10 -1.999 -0.034 -0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07942.12112.14763.15853.09264.79485.13534.79634.4594
C21.07941.32791.34982.12132.04533.87394.07063.87473.4540
N32.12111.32792.23142.22431.32402.75693.29232.75912.4384
N42.14761.34982.23141.30832.10474.08503.74924.08403.4951
N53.15852.12132.22431.30831.32533.13702.48413.13482.4314
N63.09262.04531.32402.10471.32532.08532.05282.08551.4466
H74.79483.87392.75694.08503.13702.08531.78921.78371.0916
H85.13534.07063.29233.74922.48412.05281.78921.78921.0890
H94.79633.87472.75914.08403.13482.08551.78371.78921.0916
C104.45943.45402.43843.49512.43141.44661.09161.08901.0916

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 123.220 H1 C2 N4 123.897
C2 N3 N6 100.938 C2 N4 N5 105.878
N3 C2 N4 112.882 N3 N6 N5 114.199
N3 N6 C10 123.254 N4 N5 N6 106.102
N5 N6 C10 122.547 N6 C10 H7 109.702
N6 C10 H8 107.273 N6 C10 H9 109.714
H7 C10 H8 110.274 H7 C10 H9 109.580
H8 C10 H9 110.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.166      
2 C 0.245      
3 N -0.289      
4 N -0.306      
5 N -0.052      
6 N -0.075      
7 H 0.180      
8 H 0.185      
9 H 0.180      
10 C -0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.490 -1.462 -0.000 2.887
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.906 -4.066 0.001
y -4.066 -39.308 0.000
z 0.001 0.000 -33.930
Traceless
 xyz
x 8.713 -4.066 0.001
y -4.066 -8.390 0.000
z 0.001 0.000 -0.323
Polar
3z2-r2-0.646
x2-y211.403
xy-4.066
xz0.001
yz0.000


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


<r2> (average value of r2) Å2
<r2> 123.294
(<r2>)1/2 11.104