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

using model chemistry: MP2/6-31G(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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-296.907038
Energy at 298.15K-296.914623
HF Energy-295.817783
Nuclear repulsion energy231.372054
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 MP2/6-31G(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 3343 3158 0.17      
2 A 3259 3078 0.18      
3 A 3236 3057 1.31      
4 A 3134 2960 9.26      
5 A 1533 1448 6.75      
6 A 1504 1421 10.22      
7 A 1470 1389 4.88      
8 A 1460 1379 2.56      
9 A 1453 1373 6.64      
10 A 1352 1277 12.46      
11 A 1307 1234 13.46      
12 A 1252 1182 0.06      
13 A 1176 1111 17.45      
14 A 1163 1098 0.05      
15 A 1073 1014 8.47      
16 A 1048 990 15.79      
17 A 1006 950 2.62      
18 A 899 849 9.87      
19 A 720 680 14.94      
20 A 719 679 3.32      
21 A 696 657 8.32      
22 A 365 345 5.13      
23 A 235 222 4.44      
24 A 82 77 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 16742.7 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 15813.5 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 MP2/6-31G(2df,p)
ABC
0.32510 0.13089 0.09500

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.299 -1.209 -0.000
C2 1.411 -0.600 -0.000
N3 0.173 -1.122 0.000
N4 1.422 0.745 0.001
N5 0.146 1.119 -0.000
N6 -0.556 -0.019 -0.000
H7 -2.359 -0.546 -0.889
H8 -2.329 1.007 -0.003
H9 -2.359 -0.541 0.893
C10 -2.003 -0.030 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07652.12712.14143.17023.09214.78805.13034.78934.4599
C21.07651.34341.34472.13372.05033.87394.07003.87483.4608
N32.12711.34342.24602.24111.32192.74503.28502.74722.4345
N42.14141.34472.24601.32922.11984.09343.75964.09213.5111
N53.17022.13372.24111.32921.33703.13712.47753.13542.4369
N63.09212.05031.32192.11981.33702.07892.04862.07911.4472
H74.78803.87392.74504.09343.13712.07891.78861.78141.0883
H85.13034.07003.28503.75962.47752.04861.78861.78851.0869
H94.78933.87482.74724.09213.13542.07911.78141.78851.0883
C104.45993.46082.43453.51112.43691.44721.08831.08691.0883

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 122.665 H1 C2 N4 123.992
C2 N3 N6 100.575 C2 N4 N5 105.877
N3 C2 N4 113.343 N3 N6 N5 114.884
N3 N6 C10 123.023 N4 N5 N6 105.321
N5 N6 C10 122.093 N6 C10 H7 109.334
N6 C10 H8 107.018 N6 C10 H9 109.349
H7 C10 H8 110.616 H7 C10 H9 109.856
H8 C10 H9 110.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability