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

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-257.572617
Energy at 298.15K-257.578224
HF Energy-256.774136
Nuclear repulsion energy166.069773
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/cc-pVDZ
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' 3696 3546 108.46      
2 A' 3323 3188 1.06      
3 A' 1540 1478 16.10      
4 A' 1494 1433 13.12      
5 A' 1346 1291 17.13      
6 A' 1284 1232 0.35      
7 A' 1154 1108 14.47      
8 A' 1080 1036 27.60      
9 A' 1067 1024 19.51      
10 A' 1016 975 0.72      
11 A' 974 935 2.22      
12 A" 878 842 17.16      
13 A" 740 710 8.89      
14 A" 690 662 5.85      
15 A" 546 524 85.32      

Unscaled Zero Point Vibrational Energy (zpe) 10414.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9991.9 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/cc-pVDZ
ABC
0.34898 0.34185 0.17269

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.070 0.232 0.000
N2 0.000 1.060 0.000
N3 -1.122 0.305 0.000
N4 -0.729 -0.925 0.000
N5 0.641 -1.015 0.000
H6 2.108 0.563 0.000
H7 -0.057 2.072 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.35312.19372.13921.31911.08862.1578
N21.35311.35262.11432.17152.16541.0137
N32.19371.35261.29082.20203.24002.0634
N42.13922.11431.29081.37263.20303.0712
N51.31912.17152.20201.37262.15433.1647
H61.08862.16543.24003.20302.15432.6387
H72.15781.01372.06343.07123.16472.6387

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 108.345 C1 N2 H7 130.938
C1 N5 N4 105.250 N2 C1 N5 108.699
N2 C1 H6 124.601 N2 N3 N4 106.208
N3 N2 H7 120.717 N3 N4 N5 111.498
N5 C1 H6 126.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability