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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-297.281993
Energy at 298.15K-297.289386
HF Energy-296.975224
Nuclear repulsion energy228.223082
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 B2PLYP/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' 3668 3482 77.74      
2 A' 3204 3042 1.32      
3 A' 3095 2938 10.82      
4 A' 1602 1521 43.18      
5 A' 1543 1465 1.27      
6 A' 1461 1387 0.15      
7 A' 1439 1366 25.77      
8 A' 1363 1294 2.93      
9 A' 1262 1198 19.50      
10 A' 1116 1059 3.32      
11 A' 1082 1027 6.02      
12 A' 1070 1015 28.68      
13 A' 1019 967 0.34      
14 A' 1008 956 1.43      
15 A' 690 655 3.59      
16 A' 338 320 4.04      
17 A" 3159 2999 8.32      
18 A" 1533 1456 10.14      
19 A" 1094 1039 1.80      
20 A" 733 696 6.89      
21 A" 703 668 18.33      
22 A" 567 538 78.74      
23 A" 268 254 0.08      
24 A" 83 79 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 16549.9 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 15709.1 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 B2PLYP/6-31G*
ABC
0.32620 0.12153 0.09004

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.147 -0.055 0.000
C2 0.000 0.599 0.000
C3 0.186 2.078 0.000
H4 0.735 2.410 0.886
H5 0.735 2.410 -0.886
H6 -0.795 2.552 0.000
N7 0.993 -0.322 0.000
N8 0.443 -1.559 0.000
N9 -0.831 -1.382 0.000
H10 1.997 -0.211 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32012.51513.22483.22482.63042.15642.18871.36473.1479
C21.32011.49062.14542.14542.10851.35432.20292.14882.1554
C32.51511.49061.09361.09361.08952.53183.64583.60692.9191
H43.22482.14541.09361.77151.77382.88284.07624.19733.0407
H53.22482.14541.09361.77151.77382.88284.07624.19733.0407
H62.63042.10851.08951.77381.77383.38454.29313.93463.9284
N72.15641.35432.53182.88282.88283.38451.35352.11021.0103
N82.18872.20293.64584.07624.07624.29311.35351.28672.0566
N91.36472.14883.60694.19734.19733.93462.11021.28673.0613
H103.14792.15542.91913.04073.04073.92841.01032.05663.0613

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 126.865 N1 C2 N7 107.467
N1 N9 N8 111.242 C2 N1 N9 106.321
C2 C3 H4 111.307 C2 C3 H5 111.307
C2 C3 H6 108.614 C2 N7 N8 108.882
C2 N7 H10 130.886 C3 C2 N7 125.667
H4 C3 H5 108.182 H4 C3 H6 108.681
H5 C3 H6 108.681 N7 N8 N9 106.087
N8 N7 H10 120.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.378      
2 C 0.568      
3 C -0.535      
4 H 0.191      
5 H 0.191      
6 H 0.220      
7 N -0.525      
8 N -0.039      
9 N -0.082      
10 H 0.388      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.645 0.282 0.000
y 0.282 7.919 0.000
z 0.000 0.000 3.699


<r2> (average value of r2) Å2
<r2> 129.193
(<r2>)1/2 11.366