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All results from a given calculation for C2H4N4 (1H-Tetrazole, 5-methyl-)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-297.246956
Energy at 298.15K-297.254231
Nuclear repulsion energy227.086764
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3552 3493 46.87      
2 A 3108 3056 1.07      
3 A 2997 2948 11.62      
4 A 1544 1518 41.27      
5 A 1475 1451 1.08      
6 A 1391 1368 1.13      
7 A 1380 1357 26.48      
8 A 1315 1293 2.48      
9 A 1218 1198 17.70      
10 A 1081 1063 1.66      
11 A 1044 1027 13.66      
12 A 1023 1006 20.17      
13 A 980 964 0.28      
14 A 966 950 0.69      
15 A 675 664 2.76      
16 A 326 320 3.73      
17 A 3059 3009 7.08      
18 A 1466 1441 10.79      
19 A 1041 1023 2.76      
20 A 714 702 6.01      
21 A 682 671 19.21      
22 A 549 540 69.24      
23 A 258 254 0.04      
24 A 86 84 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 15963.1 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 15699.8 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 PBEPBEultrafine/6-31G*
ABC
0.32257 0.12052 0.08923

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.154 -0.060 0.000
C2 0.000 0.605 0.000
C3 0.173 2.086 0.000
H4 0.722 2.432 0.893
H5 0.722 2.432 -0.893
H6 -0.822 2.554 0.000
N7 0.998 -0.317 0.000
N8 0.462 -1.569 0.000
N9 -0.831 -1.392 0.000
H10 2.010 -0.199 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.33212.52353.24513.24512.63562.16732.21091.36993.1671
C21.33211.49102.15812.15812.11521.35872.22262.16272.1648
C32.52351.49101.10371.10371.09942.54053.66633.61972.9315
H43.24512.15811.10371.78511.78732.90374.10804.22283.0623
H53.24512.15811.10371.78511.78732.90374.10804.22283.0623
H62.63562.11521.09941.78731.78733.39914.31843.94583.9492
N72.16731.35872.54052.90372.90373.39911.36202.12151.0189
N82.21092.22263.66634.10804.10804.31841.36201.30532.0674
N91.36992.16273.61974.22284.22283.94582.12151.30533.0814
H103.16712.16482.93153.06233.06233.94921.01892.06743.0814

picture of 1H-Tetrazole, 5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 126.635 N1 C2 N7 107.307
N1 N9 N8 111.447 C2 N1 N9 106.328
C2 C3 H4 111.688 C2 C3 H5 111.688
C2 C3 H6 108.537 C2 N7 N8 109.555
C2 N7 H10 130.608 C3 C2 N7 126.058
H4 C3 H5 107.944 H4 C3 H6 108.443
H5 C3 H6 108.443 N7 N8 N9 105.363
N8 N7 H10 119.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.342      
2 C 0.542      
3 C -0.572      
4 H 0.195      
5 H 0.195      
6 H 0.221      
7 N -0.460      
8 N -0.041      
9 N -0.090      
10 H 0.353      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.059 3.943 0.000 5.659
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.399 -0.358 0.000
y -0.358 -36.264 0.000
z 0.000 0.000 -34.204
Traceless
 xyz
x 1.835 -0.358 0.000
y -0.358 -2.463 0.000
z 0.000 0.000 0.627
Polar
3z2-r21.255
x2-y22.865
xy-0.358
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.907 0.302 0.000
y 0.302 8.417 0.000
z 0.000 0.000 3.784


<r2> (average value of r2) Å2
<r2> 129.997
(<r2>)1/2 11.402