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

using model chemistry: CCSD/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 CCSD/TZVP
 hartrees
Energy at 0K-257.663008
Energy at 298.15K-257.668529
HF Energy-256.829619
Nuclear repulsion energy166.999636
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 CCSD/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' 3715 3545 113.06      
2 A' 3335 3183 1.34      
3 A' 1550 1479 20.94      
4 A' 1498 1429 14.36      
5 A' 1336 1275 19.33      
6 A' 1301 1242 0.61      
7 A' 1170 1117 16.29      
8 A' 1087 1038 24.45      
9 A' 1061 1013 22.36      
10 A' 1019 972 0.37      
11 A' 972 928 3.04      
12 A" 839 801 27.78      
13 A" 719 686 9.13      
14 A" 680 649 11.40      
15 A" 460 439 76.94      

Unscaled Zero Point Vibrational Energy (zpe) 10370.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9897.6 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 CCSD/TZVP
ABC
0.35265 0.34582 0.17460

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.064 0.233 0.000
N2 0.000 1.054 0.000
N3 -1.118 0.299 0.000
N4 -0.725 -0.922 0.000
N5 0.641 -1.005 0.000
H6 2.089 0.559 0.000
H7 -0.062 2.058 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34392.18282.13011.30821.07492.1438
N21.34391.34892.10532.15652.14661.0055
N32.18281.34891.28282.18963.21682.0516
N42.13012.10531.28281.36913.17973.0531
N51.30822.15652.18961.36912.13033.1422
H61.07492.14663.21683.17972.13032.6212
H72.14381.00552.05163.05313.14222.6212

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 108.310 C1 N2 H7 131.157
C1 N5 N4 105.400 N2 C1 N5 108.797
N2 C1 H6 124.744 N2 N3 N4 106.228
N3 N2 H7 120.533 N3 N4 N5 111.265
N5 C1 H6 126.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability