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: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-257.909622
Energy at 298.15K-257.915292
HF Energy-256.846171
Nuclear repulsion energy167.176280
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 MP2=FULL/aug-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' 3671 3493 115.30      
2 A' 3329 3168 3.96      
3 A' 1489 1417 9.91      
4 A' 1476 1404 20.06      
5 A' 1266 1205 1.11      
6 A' 1196 1138 2.08      
7 A' 1149 1093 9.22      
8 A' 1117 1063 13.40      
9 A' 1087 1034 32.58      
10 A' 1013 963 2.86      
11 A' 966 920 2.90      
12 A" 862 820 19.28      
13 A" 745 709 18.56      
14 A" 705 671 15.04      
15 A" 652 620 56.63      

Unscaled Zero Point Vibrational Energy (zpe) 10361.5 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 9857.9 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 MP2=FULL/aug-cc-pVTZ
ABC
0.35365 0.34667 0.17506

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.065 0.236 0.000
N2 0.000 1.047 0.000
N3 -1.115 0.316 0.000
N4 -0.717 -0.931 0.000
N5 0.630 -1.007 0.000
H6 2.085 0.561 0.000
H7 -0.060 2.050 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.33842.18102.13001.31671.07042.1345
N21.33841.33282.10372.14812.14041.0050
N32.18101.33281.30902.18983.20872.0293
N42.13002.10371.30901.34943.17433.0524
N51.31672.14812.18981.34942.13883.1338
H61.07042.14043.20873.17432.13882.6108
H72.13451.00502.02933.05243.13382.6108

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 109.475 C1 N2 H7 130.721
C1 N5 N4 106.050 N2 C1 N5 108.010
N2 C1 H6 125.020 N2 N3 N4 105.552
N3 N2 H7 119.804 N3 N4 N5 110.913
N5 C1 H6 126.970
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability