return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-257.798679
Energy at 298.15K-257.804334
HF Energy-256.844939
Nuclear repulsion energy167.433866
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/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' 3721 3502 110.97      
2 A' 3322 3127 1.29      
3 A' 1551 1460 17.82      
4 A' 1502 1414 13.37      
5 A' 1347 1268 16.20      
6 A' 1300 1223 0.36      
7 A' 1168 1100 15.84      
8 A' 1093 1028 26.14      
9 A' 1073 1010 19.51      
10 A' 1025 965 0.70      
11 A' 984 926 2.56      
12 A" 906 852 16.63      
13 A" 751 706 8.91      
14 A" 700 659 5.62      
15 A" 575 541 85.46      

Unscaled Zero Point Vibrational Energy (zpe) 10508.4 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 9890.5 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/cc-pVTZ
ABC
0.35440 0.34773 0.17552

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.062 0.232 0.000
N2 0.000 1.051 0.000
N3 -1.114 0.300 0.000
N4 -0.723 -0.919 0.000
N5 0.638 -1.004 0.000
H6 2.085 0.557 0.000
H7 -0.059 2.052 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34082.17632.12431.30741.07372.1369
N21.34081.34312.09922.15232.14261.0025
N32.17631.34311.28062.18383.20882.0449
N42.12432.09921.28061.36373.17293.0449
N51.30742.15232.18381.36372.12923.1347
H61.07372.14263.20883.17292.12922.6132
H72.13691.00252.04493.04493.13472.6132

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 108.360 C1 N2 H7 130.998
C1 N5 N4 105.351 N2 C1 N5 108.722
N2 C1 H6 124.733 N2 N3 N4 106.255
N3 N2 H7 120.641 N3 N4 N5 111.312
N5 C1 H6 126.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability