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

using model chemistry: QCISD(T)/cc-pVTZ

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)/cc-pVTZ
 hartrees
Energy at 0K-257.852584
Energy at 298.15K-257.858166
HF Energy-256.841757
Nuclear repulsion energy166.345555
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)/cc-pVTZ
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' 3680 3491        
2 A' 3304 3134        
3 A' 1502 1425        
4 A' 1463 1388        
5 A' 1275 1209        
6 A' 1259 1194        
7 A' 1144 1085        
8 A' 1054 1000        
9 A' 1034 981        
10 A' 999 948        
11 A' 948 899        
12 A" 868 824        
13 A" 731 693        
14 A" 684 649        
15 A" 556 527        

Unscaled Zero Point Vibrational Energy (zpe) 10249.8 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 9723.0 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)/cc-pVTZ
ABC
0.34999 0.34301 0.17323

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.067 0.236 0.000
N2 0.000 1.057 0.000
N3 -1.123 0.303 0.000
N4 -0.726 -0.927 0.000
N5 0.644 -1.010 0.000
H6 2.091 0.564 0.000
H7 -0.059 2.061 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34652.19112.13721.31601.07492.1445
N21.34651.35282.11322.16572.14811.0054
N32.19111.35281.29292.20203.22432.0549
N42.13722.11321.29291.37273.18703.0618
N51.31602.16572.20201.37272.13783.1508
H61.07492.14813.22433.18702.13782.6196
H72.14451.00542.05493.06183.15082.6196

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 108.528 C1 N2 H7 130.955
C1 N5 N4 105.270 N2 C1 N5 108.853
N2 C1 H6 124.646 N2 N3 N4 105.993
N3 N2 H7 120.517 N3 N4 N5 111.356
N5 C1 H6 126.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability