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

using model chemistry: HF/CEP-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/CEP-31G*
 hartrees
Energy at 0K-51.962505
Energy at 298.15K-51.970302
Nuclear repulsion energy122.923925
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/CEP-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 3496 3139 5.50      
2 A 3386 3040 12.07      
3 A 3355 3013 29.81      
4 A 3269 2935 43.15      
5 A 1686 1514 17.21      
6 A 1634 1467 13.18      
7 A 1609 1445 8.84      
8 A 1590 1428 20.54      
9 A 1576 1415 31.43      
10 A 1501 1348 10.45      
11 A 1452 1304 36.20      
12 A 1414 1270 35.19      
13 A 1254 1127 11.05      
14 A 1250 1123 0.68      
15 A 1170 1051 26.69      
16 A 1144 1028 23.22      
17 A 1113 999 8.54      
18 A 1011 908 13.02      
19 A 780 700 7.93      
20 A 756 679 25.56      
21 A 744 669 7.93      
22 A 391 351 5.15      
23 A 246 221 6.28      
24 A 90 81 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17958.7 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 16126.9 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/CEP-31G*
ABC
0.33447 0.13185 0.09630

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.357 -1.148 -0.000
C2 1.453 -0.569 0.000
N3 0.248 -1.094 0.000
N4 1.422 0.779 -0.000
N5 0.168 1.097 0.000
N6 -0.509 -0.014 -0.000
H7 -2.311 -0.581 -0.888
H8 -2.321 0.968 -0.003
H9 -2.311 -0.575 0.891
C10 -1.968 -0.057 -0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07402.10932.14213.13623.08274.78575.13454.78714.4609
C21.07401.31431.34792.10402.03923.86764.07493.86833.4594
N32.10931.31432.21062.19311.31952.75743.29462.75962.4474
N42.14211.34792.21061.29412.08794.07133.74814.07033.4920
N53.13622.10402.19311.29411.30143.12282.49253.12042.4281
N63.08272.03921.31952.08791.30142.08712.06072.08721.4596
H74.78573.86762.75744.07133.12282.08711.78341.77881.0864
H85.13454.07493.29463.74812.49252.06071.78341.78331.0837
H94.78713.86832.75964.07033.12042.08721.77881.78331.0864
C104.46093.45942.44743.49202.42811.45961.08641.08371.0864

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 123.748 H1 C2 N4 123.988
C2 N3 N6 101.471 C2 N4 N5 105.555
N3 C2 N4 112.265 N3 N6 N5 113.595
N3 N6 C10 123.360 N4 N5 N6 107.115
N5 N6 C10 123.045 N6 C10 H7 109.245
N6 C10 H8 107.318 N6 C10 H9 109.254
H7 C10 H8 110.535 H7 C10 H9 109.908
H8 C10 H9 110.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.251      
2 C -0.525      
3 N 0.089      
4 N 0.003      
5 N -0.050      
6 N 0.078      
7 H 0.184      
8 H 0.206      
9 H 0.184      
10 C -0.418      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.578 -1.530 -0.000 2.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.263 -4.456 0.002
y -4.456 -40.567 0.000
z 0.002 0.000 -34.428
Traceless
 xyz
x 9.234 -4.456 0.002
y -4.456 -9.222 0.000
z 0.002 0.000 -0.012
Polar
3z2-r2-0.025
x2-y212.304
xy-4.456
xz0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.014 0.003 -0.001
y 0.003 6.307 0.000
z -0.001 0.000 3.830


<r2> (average value of r2) Å2
<r2> 99.781
(<r2>)1/2 9.989