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

using model chemistry: MP2/6-31G(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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-257.694346
Energy at 298.15K-257.699989
HF Energy-256.773792
Nuclear repulsion energy166.345626
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 MP2/6-31G(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' 3695 3490 120.27      
2 A' 3346 3161 3.89      
3 A' 1493 1410 6.84      
4 A' 1476 1394 24.83      
5 A' 1270 1199 1.45      
6 A' 1201 1134 1.23      
7 A' 1154 1090 12.38      
8 A' 1127 1065 10.60      
9 A' 1098 1037 31.91      
10 A' 1010 954 5.16      
11 A' 970 916 2.71      
12 A" 842 795 18.26      
13 A" 743 702 15.42      
14 A" 703 664 14.95      
15 A" 629 594 60.76      

Unscaled Zero Point Vibrational Energy (zpe) 10378.5 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 9802.5 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 MP2/6-31G(2df,p)
ABC
0.35046 0.34294 0.17333

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.065 0.233 0.000
N2 0.000 1.057 0.000
N3 -1.114 0.307 0.000
N4 -0.724 -0.925 0.000
N5 0.635 -1.013 0.000
H6 2.091 0.560 0.000
H7 -0.063 2.063 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34722.18132.13111.31791.07612.1499
N21.34721.34332.11042.16532.14901.0077
N32.18131.34331.29312.19173.21512.0467
N42.13112.11041.29311.36133.18203.0605
N51.31792.16532.19171.36132.14303.1540
H61.07612.14903.21513.18202.14302.6259
H72.14991.00772.04673.06053.15402.6259

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 108.333 C1 N2 H7 131.288
C1 N5 N4 105.375 N2 C1 N5 108.666
N2 C1 H6 124.570 N2 N3 N4 106.335
N3 N2 H7 120.379 N3 N4 N5 111.291
N5 C1 H6 126.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability