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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-297.511524
Energy at 298.15K-297.518998
Nuclear repulsion energy229.751996
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 mPW1PW91/6-31G**
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 3712 3532 83.92      
2 A 3204 3048 0.63      
3 A 3085 2936 9.74      
4 A 1629 1550 47.89      
5 A 1520 1446 0.23      
6 A 1446 1376 28.03      
7 A 1437 1367 4.30      
8 A 1397 1329 2.97      
9 A 1314 1251 19.87      
10 A 1155 1099 7.48      
11 A 1111 1057 5.31      
12 A 1097 1044 27.13      
13 A 1041 991 1.12      
14 A 1002 954 0.49      
15 A 700 666 3.19      
16 A 339 323 4.23      
17 A 3157 3004 6.09      
18 A 1499 1426 10.99      
19 A 1073 1021 2.85      
20 A 749 713 6.04      
21 A 714 679 18.67      
22 A 602 573 75.25      
23 A 273 260 0.06      
24 A 85 81 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 16670.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 15862.1 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 mPW1PW91/6-31G**
ABC
0.33084 0.12295 0.09117

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.139 -0.063 0.000
C2 0.000 0.596 0.000
C3 0.172 2.070 0.000
H4 0.716 2.408 0.885
H5 0.716 2.408 -0.885
H6 -0.814 2.532 0.000
N7 0.988 -0.318 0.000
N8 0.452 -1.549 0.000
N9 -0.820 -1.376 0.000
H10 1.987 -0.200 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31602.50333.21443.21442.61532.14152.17691.35093.1293
C21.31601.48332.14012.14012.09981.34552.19242.13622.1412
C32.50331.48331.09291.09291.08892.52283.62953.58572.9069
H43.21442.14011.09291.77051.77192.87904.06374.17923.0343
H53.21442.14011.09291.77051.77192.87904.06374.17923.0343
H62.61532.09981.08891.77191.77193.37124.27283.90793.9133
N72.14151.34552.52282.87902.87903.37121.34272.09501.0068
N82.17692.19243.62954.06374.06374.27281.34271.28432.0434
N91.35092.13623.58574.17924.17923.90792.09501.28433.0441
H103.12932.14122.90693.03433.03433.91331.00682.04343.0441

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 126.723 N1 C2 N7 107.143
N1 N9 N8 111.370 C2 N1 N9 106.443
C2 C3 H4 111.440 C2 C3 H5 111.440
C2 C3 H6 108.469 C2 N7 N8 109.286
C2 N7 H10 130.534 C3 C2 N7 126.134
H4 C3 H5 108.190 H4 C3 H6 108.613
H5 C3 H6 108.613 N7 N8 N9 105.758
N8 N7 H10 120.179
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.369      
2 C 0.535      
3 C -0.454      
4 H 0.169      
5 H 0.169      
6 H 0.195      
7 N -0.424      
8 N -0.048      
9 N -0.088      
10 H 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.180 4.058 0.000 5.826
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.358 -0.376 0.000
y -0.376 -36.166 0.000
z 0.000 0.000 -34.093
Traceless
 xyz
x 1.771 -0.376 0.000
y -0.376 -2.440 0.000
z 0.000 0.000 0.669
Polar
3z2-r21.338
x2-y22.808
xy-0.376
xz0.000
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> 127.670
(<r2>)1/2 11.299