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

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-255.823333
Energy at 298.15K-255.828739
HF Energy-255.259105
Nuclear repulsion energy160.444579
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 QCISD/3-21G
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' 3606 3495 106.71      
2 A' 3296 3194 1.20      
3 A' 1442 1398 43.72      
4 A' 1367 1325 8.29      
5 A' 1221 1184 10.59      
6 A' 1131 1096 13.04      
7 A' 1061 1029 2.89      
8 A' 1001 970 6.60      
9 A' 969 939 7.38      
10 A' 848 822 16.60      
11 A' 725 703 13.04      
12 A" 912 884 16.20      
13 A" 674 654 10.16      
14 A" 659 639 26.27      
15 A" 586 568 136.15      

Unscaled Zero Point Vibrational Energy (zpe) 9748.5 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 9448.2 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 QCISD/3-21G
ABC
0.32796 0.31537 0.16077

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.086 0.260 0.000
N2 0.000 1.097 0.000
N3 -1.182 0.287 0.000
N4 -0.759 -0.975 0.000
N5 0.718 -1.019 0.000
H6 2.108 0.606 0.000
H7 -0.068 2.107 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.37162.26842.22051.33111.07842.1784
N21.37161.43242.20652.23492.16391.0125
N32.26841.43241.33122.30603.30482.1336
N42.22052.20651.33121.47803.27393.1587
N51.33112.23492.30601.47802.13863.2239
H61.07842.16393.30483.27392.13862.6428
H72.17841.01252.13363.15873.22392.6428

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 107.974 C1 N2 H7 131.457
C1 N5 N4 104.334 N2 C1 N5 111.557
N2 C1 H6 123.630 N2 N3 N4 105.899
N3 N2 H7 120.569 N3 N4 N5 110.236
N5 C1 H6 124.813
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability