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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-257.738157
Energy at 298.15K-257.743824
HF Energy-256.775031
Nuclear repulsion energy166.747947
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/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' 3707 3484 120.95      
2 A' 3356 3155 3.92      
3 A' 1495 1405 6.78      
4 A' 1482 1393 24.91      
5 A' 1276 1199 1.25      
6 A' 1212 1139 1.49      
7 A' 1161 1091 11.74      
8 A' 1136 1068 10.47      
9 A' 1107 1041 32.51      
10 A' 1017 955 5.38      
11 A' 976 918 2.87      
12 A" 857 806 17.11      
13 A" 752 707 13.81      
14 A" 710 668 14.48      
15 A" 640 602 63.60      

Unscaled Zero Point Vibrational Energy (zpe) 10442.3 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 9814.7 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/6-31G(2df,p)
ABC
0.35216 0.34462 0.17417

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.065 0.237 0.000
N2 0.000 1.050 0.000
N3 -1.118 0.317 0.000
N4 -0.717 -0.934 0.000
N5 0.633 -1.010 0.000
H6 2.087 0.567 0.000
H7 -0.061 2.055 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.33992.18482.13301.32001.07422.1383
N21.33991.33682.10992.15502.14261.0070
N32.18481.33681.31412.19723.21532.0344
N42.13302.10991.31411.35233.18133.0607
N51.32002.15502.19721.35232.14543.1426
H61.07422.14263.21533.18132.14542.6131
H72.13831.00702.03443.06073.14262.6131

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 109.417 C1 N2 H7 130.791
C1 N5 N4 105.906 N2 C1 N5 108.227
N2 C1 H6 124.771 N2 N3 N4 105.482
N3 N2 H7 119.791 N3 N4 N5 110.968
N5 C1 H6 127.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability