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

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-45.640501
Energy at 298.15K-45.645924
HF Energy-45.118670
Nuclear repulsion energy82.349397
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/CEP-31G
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' 3685 3561 113.42      
2 A' 3308 3197 0.15      
3 A' 1434 1386 43.67      
4 A' 1369 1323 7.49      
5 A' 1162 1123 5.92      
6 A' 1128 1090 12.20      
7 A' 1009 975 7.21      
8 A' 965 932 9.06      
9 A' 963 931 9.63      
10 A' 898 868 16.25      
11 A' 833 805 5.06      
12 A" 769 743 76.76      
13 A" 718 694 99.77      
14 A" 666 644 0.58      
15 A" 620 599 21.51      

Unscaled Zero Point Vibrational Energy (zpe) 9763.4 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 9434.4 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/CEP-31G
ABC
0.31567 0.30898 0.15615

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.115 0.264 0.000
N2 0.000 1.104 0.000
N3 -1.194 0.332 0.000
N4 -0.756 -1.002 0.000
N5 0.695 -1.049 0.000
H6 2.152 0.599 0.000
H7 -0.055 2.123 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.39602.31062.25931.37891.08902.1962
N21.39601.42232.23732.26202.21021.0203
N32.31061.42231.40362.33953.35672.1228
N42.25932.23731.40361.45123.31903.2022
N51.37892.26202.33951.45122.19963.2589
H61.08902.21023.35673.31902.19962.6817
H72.19621.02032.12283.20223.25892.6817

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 110.137 C1 N2 H7 130.063
C1 N5 N4 105.910 N2 C1 N5 109.206
N2 C1 H6 125.137 N2 N3 N4 104.689
N3 N2 H7 119.800 N3 N4 N5 110.059
N5 C1 H6 125.658
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability