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

using model chemistry: QCISD(T)/TZVP

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(T)/TZVP
 hartrees
Energy at 0K-257.707108
Energy at 298.15K-257.712528
HF Energy-256.826261
Nuclear repulsion energy165.916026
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(T)/TZVP
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' 3675 3540        
2 A' 3311 3189        
3 A' 1504 1449        
4 A' 1461 1407        
5 A' 1265 1218        
6 A' 1263 1216        
7 A' 1148 1105        
8 A' 1051 1012        
9 A' 1019 982        
10 A' 994 958        
11 A' 933 899        
12 A" 797 768        
13 A" 697 671        
14 A" 664 639        
15 A" 421 406        

Unscaled Zero Point Vibrational Energy (zpe) 10100.8 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9729.0 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(T)/TZVP
ABC
0.34826 0.34114 0.17233

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.069 0.237 0.000
N2 0.000 1.060 0.000
N3 -1.127 0.301 0.000
N4 -0.728 -0.930 0.000
N5 0.648 -1.010 0.000
H6 2.095 0.566 0.000
H7 -0.063 2.067 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34942.19772.14291.31661.07682.1514
N21.34941.35912.11932.16972.15211.0084
N32.19771.35911.29482.20783.23292.0616
N42.14292.11931.29481.37853.19453.0698
N51.31662.16972.20781.37852.13933.1581
H61.07682.15213.23293.19452.13932.6278
H72.15141.00842.06163.06983.15812.6278

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 108.467 C1 N2 H7 131.152
C1 N5 N4 105.310 N2 C1 N5 108.944
N2 C1 H6 124.623 N2 N3 N4 105.962
N3 N2 H7 120.381 N3 N4 N5 111.316
N5 C1 H6 126.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability