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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-255.739976
Energy at 298.15K-255.745568
HF Energy-255.265729
Nuclear repulsion energy162.796418
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 CISD/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' 3722 3478 138.91      
2 A' 3397 3174 2.06      
3 A' 1515 1416 47.12      
4 A' 1433 1339 9.65      
5 A' 1280 1196 8.54      
6 A' 1199 1120 11.04      
7 A' 1141 1066 10.00      
8 A' 1054 984 9.37      
9 A' 1027 960 7.31      
10 A' 929 868 17.67      
11 A' 818 764 12.34      
12 A" 969 905 12.97      
13 A" 716 669 19.33      
14 A" 703 657 58.06      
15 A" 658 615 105.39      

Unscaled Zero Point Vibrational Energy (zpe) 10279.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9605.6 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 CISD/3-21G*
ABC
0.33703 0.32569 0.16563

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.086 0.250 0.000
N2 0.000 1.074 0.000
N3 -1.139 0.289 0.000
N4 -0.743 -0.953 0.000
N5 0.659 -1.004 0.000
H6 2.105 0.577 0.000
H7 -0.065 2.076 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.36352.22562.18941.32491.06952.1582
N21.36351.38332.15902.18012.16281.0036
N32.22561.38331.30392.21473.25652.0845
N42.18942.15901.30391.40263.23243.1036
N51.32492.18012.21471.40262.14213.1635
H61.06952.16283.25653.23242.14212.6372
H72.15821.00362.08453.10363.16352.6372

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 108.246 C1 N2 H7 130.889
C1 N5 N4 106.739 N2 C1 N5 108.362
N2 C1 H6 125.050 N2 N3 N4 106.885
N3 N2 H7 120.865 N3 N4 N5 109.768
N5 C1 H6 126.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability