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

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-257.147074
Energy at 298.15K-257.152567
HF Energy-256.580214
Nuclear repulsion energy162.082302
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/6-31G
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' 3699 3565 110.78      
2 A' 3312 3191 2.73      
3 A' 1490 1436 43.50      
4 A' 1415 1363 5.96      
5 A' 1237 1192 3.25      
6 A' 1199 1156 12.93      
7 A' 1135 1094 16.52      
8 A' 1021 984 9.52      
9 A' 995 959 3.67      
10 A' 898 865 20.14      
11 A' 766 738 10.94      
12 A" 852 821 23.77      
13 A" 698 673 14.57      
14 A" 681 657 78.74      
15 A" 633 610 85.92      

Unscaled Zero Point Vibrational Energy (zpe) 10015.9 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 9651.3 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/6-31G
ABC
0.33380 0.32338 0.16425

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.098 0.251 0.000
N2 0.000 1.075 0.000
N3 -1.141 0.295 0.000
N4 -0.747 -0.953 0.000
N5 0.652 -1.011 0.000
H6 2.129 0.575 0.000
H7 -0.065 2.080 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.37272.23972.20281.33851.08052.1678
N21.37271.38242.16062.18542.18671.0075
N32.23971.38241.30822.21843.28212.0845
N42.20282.16061.30821.40023.25623.1083
N51.33852.18542.21841.40022.16703.1734
H61.08052.18673.28213.25622.16702.6608
H72.16781.00752.08453.10833.17342.6608

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 108.767 C1 N2 H7 130.601
C1 N5 N4 107.065 N2 C1 N5 107.421
N2 C1 H6 125.668 N2 N3 N4 106.805
N3 N2 H7 120.632 N3 N4 N5 109.942
N5 C1 H6 126.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability