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

using model chemistry: MP2=FULL/6-31G

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=FULL/6-31G
 hartrees
Energy at 0K-257.150228
Energy at 298.15K-257.155675
HF Energy-256.571545
Nuclear repulsion energy160.746033
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=FULL/6-31G
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' 3683 3499 121.51      
2 A' 3349 3182 3.41      
3 A' 1454 1382 51.24      
4 A' 1407 1337 4.86      
5 A' 1202 1142 9.45      
6 A' 1154 1096 11.92      
7 A' 1015 965 1.69      
8 A' 991 942 2.60      
9 A' 948 900 8.43      
10 A' 900 855 15.86      
11 A' 768 730 13.53      
12 A" 805 765 45.71      
13 A" 706 670 99.58      
14 A" 686 652 7.72      
15 A" 639 607 39.55      

Unscaled Zero Point Vibrational Energy (zpe) 9854.0 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 9362.3 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=FULL/6-31G
ABC
0.32647 0.32014 0.16164

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.096 0.260 0.000
N2 0.000 1.086 0.000
N3 -1.172 0.318 0.000
N4 -0.748 -0.983 0.000
N5 0.686 -1.028 0.000
H6 2.122 0.593 0.000
H7 -0.060 2.096 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.37192.26812.22321.35201.07892.1692
N21.37191.40102.19972.22282.17801.0117
N32.26811.40101.36832.29473.30502.0966
N42.22322.19971.36831.43473.27383.1544
N51.35202.22282.29471.43472.16593.2121
H61.07892.17803.30503.27382.16592.6490
H72.16921.01172.09663.15443.21212.6490

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 109.763 C1 N2 H7 130.421
C1 N5 N4 105.800 N2 C1 N5 109.384
N2 C1 H6 124.996 N2 N3 N4 105.174
N3 N2 H7 119.816 N3 N4 N5 109.879
N5 C1 H6 125.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability