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All results from a given calculation for CH2N4 (1H-Tetrazole)

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-253.799070
Energy at 298.15K-253.804189
HF Energy-253.451583
Nuclear repulsion energy157.524410
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/STO-3G
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' 3817 3328 91.07      
2 A' 3567 3110 21.25      
3 A' 1539 1342 21.19      
4 A' 1492 1301 39.99      
5 A' 1264 1103 2.15      
6 A' 1160 1012 3.89      
7 A' 1127 982 8.46      
8 A' 1037 904 3.43      
9 A' 1020 890 17.76      
10 A' 966 842 1.86      
11 A' 897 782 3.45      
12 A" 833 726 10.19      
13 A" 672 586 16.70      
14 A" 654 570 6.40      
15 A" 442 386 74.23      

Unscaled Zero Point Vibrational Energy (zpe) 10244.1 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 8931.8 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/STO-3G
ABC
0.31571 0.30558 0.15528

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.108 0.256 0.000
N2 0.000 1.106 0.000
N3 -1.201 0.334 0.000
N4 -0.758 -1.000 0.000
N5 0.707 -1.056 0.000
H6 2.142 0.626 0.000
H7 -0.029 2.153 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.39592.30972.24871.37161.09872.2116
N21.39591.42762.23802.27432.19531.0479
N32.30971.42761.40572.36063.35582.1641
N42.24872.23801.40571.46593.32443.2364
N51.37162.27432.36061.46592.21053.2925
H61.09872.19533.35583.32442.21052.6548
H72.21161.04792.16413.23643.29252.6548

picture of 1H-Tetrazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 109.775 C1 N2 H7 129.085
C1 N5 N4 104.788 N2 C1 N5 110.526
N2 C1 H6 122.850 N2 N3 N4 104.346
N3 N2 H7 121.140 N3 N4 N5 110.564
N5 C1 H6 126.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability