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

using model chemistry: B3PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-297.487160
Energy at 298.15K-297.494621
Nuclear repulsion energy229.578309
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(2df,p)
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 3681 3539 76.98      
2 A 3173 3050 0.79      
3 A 3057 2939 10.38      
4 A 1602 1540 47.71      
5 A 1498 1440 0.19      
6 A 1423 1368 26.29      
7 A 1414 1360 2.16      
8 A 1377 1323 2.62      
9 A 1291 1241 16.47      
10 A 1136 1092 4.99      
11 A 1097 1055 1.21      
12 A 1084 1043 33.31      
13 A 1031 991 0.63      
14 A 992 953 0.31      
15 A 694 667 3.11      
16 A 337 324 4.00      
17 A 3124 3004 5.95      
18 A 1478 1421 8.88      
19 A 1065 1023 2.53      
20 A 747 719 5.17      
21 A 712 685 13.03      
22 A 596 573 65.84      
23 A 275 264 0.09      
24 A 85 82 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 16484.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 15847.7 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(2df,p)
ABC
0.33008 0.12286 0.09106

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.141 -0.062 0.000
C2 0.000 0.596 0.000
C3 0.176 2.069 0.000
H4 0.723 2.408 0.885
H5 0.723 2.408 -0.885
H6 -0.809 2.538 0.000
N7 0.987 -0.318 0.000
N8 0.451 -1.550 0.000
N9 -0.823 -1.377 0.000
H10 1.988 -0.203 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31712.50513.21823.21822.62052.14392.17941.35323.1321
C21.31711.48392.14222.14222.10361.34532.19252.13762.1423
C32.50511.48391.09461.09461.09052.52143.62953.58812.9064
H43.21822.14221.09461.77091.77452.87784.06414.18303.0328
H53.21822.14221.09461.77091.77452.87784.06414.18303.0328
H62.62052.10361.09051.77451.77453.37374.27733.91473.9158
N72.14391.34532.52142.87782.87783.37371.34342.09751.0069
N82.17942.19253.62954.06414.06414.27731.34341.28592.0431
N91.35322.13763.58814.18304.18303.91472.09751.28593.0461
H103.13212.14232.90643.03283.03283.91581.00692.04313.0461

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 126.753 N1 C2 N7 107.266
N1 N9 N8 111.317 C2 N1 N9 106.355
C2 C3 H4 111.468 C2 C3 H5 111.468
C2 C3 H6 108.635 C2 N7 N8 109.259
C2 N7 H10 130.670 C3 C2 N7 125.981
H4 C3 H5 107.984 H4 C3 H6 108.604
H5 C3 H6 108.604 N7 N8 N9 105.803
N8 N7 H10 120.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.277      
2 C 0.444      
3 C -0.559      
4 H 0.174      
5 H 0.174      
6 H 0.200      
7 N -0.282      
8 N -0.084      
9 N -0.099      
10 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.059 3.940 0.000 5.657
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.101 -0.359 0.000
y -0.359 -36.038 0.000
z 0.000 0.000 -33.838
Traceless
 xyz
x 1.837 -0.359 0.000
y -0.359 -2.569 0.000
z 0.000 0.000 0.732
Polar
3z2-r21.464
x2-y22.937
xy-0.359
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.854 0.270 0.000
y 0.270 8.342 0.000
z 0.000 0.000 4.151


<r2> (average value of r2) Å2
<r2> 127.666
(<r2>)1/2 11.299