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

using model chemistry: QCISD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-257.697235
Energy at 298.15K-257.702875
HF Energy-256.777894
Nuclear repulsion energy167.061310
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(2df,p)
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' 3738 3542 114.39      
2 A' 3338 3162 1.69      
3 A' 1546 1465 19.33      
4 A' 1495 1417 13.20      
5 A' 1350 1279 17.07      
6 A' 1297 1229 0.62      
7 A' 1171 1109 14.26      
8 A' 1094 1036 29.09      
9 A' 1078 1022 17.47      
10 A' 1025 971 1.15      
11 A' 986 934 2.81      
12 A" 901 854 12.57      
13 A" 748 708 8.67      
14 A" 697 661 6.54      
15 A" 572 542 87.56      

Unscaled Zero Point Vibrational Energy (zpe) 10517.8 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 9964.6 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 QCISD/6-31G(2df,p)
ABC
0.35286 0.34618 0.17474

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.063 0.230 0.000
N2 0.000 1.055 0.000
N3 -1.112 0.300 0.000
N4 -0.724 -0.919 0.000
N5 0.636 -1.008 0.000
H6 2.089 0.556 0.000
H7 -0.062 2.058 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34572.17672.12491.31011.07622.1460
N21.34571.34442.10282.15902.14791.0046
N32.17671.34441.27952.18353.21162.0479
N42.12492.10281.27951.36283.17623.0498
N51.31012.15902.18351.36282.13483.1444
H61.07622.14793.21163.17622.13482.6234
H72.14601.00462.04793.04983.14442.6234

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 108.025 C1 N2 H7 131.323
C1 N5 N4 105.293 N2 C1 N5 108.766
N2 C1 H6 124.598 N2 N3 N4 106.502
N3 N2 H7 120.651 N3 N4 N5 111.413
N5 C1 H6 126.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability