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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-257.812260
Energy at 298.15K-257.817890
HF Energy-256.850434
Nuclear repulsion energy166.580378
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/Def2TZVPP
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' 3673 3495 116.25      
2 A' 3331 3169 3.12      
3 A' 1487 1415 8.51      
4 A' 1473 1402 21.61      
5 A' 1264 1203 1.48      
6 A' 1188 1130 2.17      
7 A' 1146 1090 12.22      
8 A' 1112 1058 12.22      
9 A' 1081 1029 31.15      
10 A' 1007 958 3.19      
11 A' 964 918 2.62      
12 A" 837 797 22.94      
13 A" 741 705 15.47      
14 A" 700 666 12.21      
15 A" 623 593 60.50      

Unscaled Zero Point Vibrational Energy (zpe) 10313.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 9813.5 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 MP2/Def2TZVPP
ABC
0.35129 0.34403 0.17381

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.065 0.232 0.000
N2 0.000 1.055 0.000
N3 -1.113 0.306 0.000
N4 -0.723 -0.924 0.000
N5 0.634 -1.010 0.000
H6 2.089 0.557 0.000
H7 -0.061 2.060 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34592.17912.12951.31531.07392.1462
N21.34591.34192.10732.16092.14731.0062
N32.17911.34191.28972.18723.21142.0455
N42.12952.10731.28971.36023.17813.0563
N51.31532.16092.18721.36022.13833.1478
H61.07392.14733.21143.17812.13832.6226
H72.14621.00622.04553.05633.14782.6226

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 108.335 C1 N2 H7 131.157
C1 N5 N4 105.475 N2 C1 N5 108.576
N2 C1 H6 124.712 N2 N3 N4 106.388
N3 N2 H7 120.508 N3 N4 N5 111.227
N5 C1 H6 126.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability