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

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-297.309199
Energy at 298.15K-297.316676
Nuclear repulsion energy230.574252
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 PBEPBE/6-311G*
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 3209 3175 1.43      
2 A 3117 3085 1.46      
3 A 3081 3049 8.74      
4 A 3006 2975 19.21      
5 A 1477 1461 7.01      
6 A 1446 1431 12.68      
7 A 1433 1418 12.63      
8 A 1405 1391 1.89      
9 A 1373 1359 7.43      
10 A 1275 1261 11.34      
11 A 1247 1234 10.41      
12 A 1198 1186 7.68      
13 A 1126 1114 10.00      
14 A 1116 1104 0.14      
15 A 1013 1002 21.27      
16 A 999 989 10.71      
17 A 975 965 15.87      
18 A 840 831 13.47      
19 A 703 696 5.14      
20 A 703 696 9.26      
21 A 673 666 5.22      
22 A 362 359 4.75      
23 A 228 226 5.04      
24 A 87 87 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16046.4 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 15879.5 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 PBEPBE/6-311G*
ABC
0.32194 0.13003 0.09430

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.313 -1.212 0.000
C2 1.413 -0.604 0.000
N3 0.183 -1.127 -0.000
N4 1.419 0.753 -0.000
N5 0.153 1.121 0.000
N6 -0.559 -0.018 -0.000
H7 -2.377 -0.550 -0.896
H8 -2.344 1.012 -0.002
H9 -2.377 -0.546 0.898
C10 -2.011 -0.031 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.08662.13242.15933.17983.11084.82135.16164.82214.4829
C21.08661.33711.35712.13612.05733.89534.09023.89583.4718
N32.13241.33712.25062.24831.33442.77293.31092.77472.4523
N42.15931.35712.25061.31862.12324.11293.77274.11203.5192
N53.17982.13612.24831.31861.34303.16192.49993.16022.4520
N63.11082.05731.33442.12321.34302.09572.06122.09591.4524
H74.82133.89532.77294.11293.16192.09571.79951.79391.0978
H85.16164.09023.31093.77272.49992.06121.79951.79951.0952
H94.82213.89582.77474.11203.16022.09591.79391.79951.0979
C104.48293.47182.45233.51922.45201.45241.09781.09521.0979

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 122.903 H1 C2 N4 123.794
C2 N3 N6 100.721 C2 N4 N5 105.931
N3 C2 N4 113.303 N3 N6 N5 114.226
N3 N6 C10 123.219 N4 N5 N6 105.820
N5 N6 C10 122.556 N6 C10 H7 109.747
N6 C10 H8 107.174 N6 C10 H9 109.756
H7 C10 H8 110.280 H7 C10 H9 109.577
H8 C10 H9 110.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.227      
2 C 0.034      
3 N -0.184      
4 N -0.220      
5 N -0.030      
6 N -0.096      
7 H 0.251      
8 H 0.249      
9 H 0.251      
10 C -0.482      


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