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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-296.817745
Energy at 298.15K-296.825201
HF Energy-295.854639
Nuclear repulsion energy228.263835
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 MP2/6-311G*
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' 3690 3507 88.41      
2 A' 3207 3048 1.05      
3 A' 3092 2938 10.85      
4 A' 1600 1520 41.73      
5 A' 1540 1464 0.78      
6 A' 1455 1383 13.56      
7 A' 1449 1377 16.52      
8 A' 1364 1297 9.12      
9 A' 1207 1147 7.44      
10 A' 1150 1093 1.71      
11 A' 1124 1068 20.85      
12 A' 1081 1027 15.17      
13 A' 1020 969 0.44      
14 A' 1015 965 0.96      
15 A' 691 657 3.82      
16 A' 336 319 4.68      
17 A" 3171 3014 7.30      
18 A" 1521 1446 12.60      
19 A" 1085 1031 0.93      
20 A" 735 698 24.93      
21 A" 712 677 29.74      
22 A" 625 594 46.70      
23 A" 263 250 0.08      
24 A" 85 80 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 16607.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 15782.4 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 MP2/6-311G*
ABC
0.32433 0.12193 0.09012

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.151 -0.057 0.000
C2 0.000 0.599 0.000
C3 0.181 2.075 0.000
H4 0.727 2.410 0.886
H5 0.727 2.410 -0.886
H6 -0.803 2.540 0.000
N7 0.993 -0.318 0.000
N8 0.458 -1.556 0.000
N9 -0.834 -1.382 0.000
H10 1.996 -0.206 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32492.51453.22433.22432.62092.16042.19921.36213.1503
C21.32491.48762.14302.14302.10141.35202.20302.14902.1516
C32.51451.48761.09271.09271.08912.52763.64183.60312.9143
H43.22432.14301.09271.77201.77272.88074.07244.19473.0389
H53.22432.14301.09271.77201.77272.88074.07244.19473.0389
H62.62092.10141.08911.77271.77273.37664.28643.92253.9211
N72.16041.35202.52762.88072.88073.37661.34842.11431.0086
N82.19922.20303.64184.07244.07244.28641.34841.30392.0463
N91.36212.14903.60314.19474.19473.92252.11431.30393.0643
H103.15032.15162.91433.03893.03893.92111.00862.04633.0643

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 126.680 N1 C2 N7 107.613
N1 N9 N8 111.146 C2 N1 N9 106.207
C2 C3 H4 111.387 C2 C3 H5 111.387
C2 C3 H6 108.287 C2 N7 N8 109.329
C2 N7 H10 130.861 C3 C2 N7 125.707
H4 C3 H5 108.350 H4 C3 H6 108.680
H5 C3 H6 108.680 N7 N8 N9 105.705
N8 N7 H10 119.810
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability