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

using model chemistry: CCSD/aug-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 CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-257.619299
Energy at 298.15K-257.624901
HF Energy-256.791802
Nuclear repulsion energy165.834416
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 CCSD/aug-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' 3694 3559 104.72      
2 A' 3315 3194 1.48      
3 A' 1529 1473 19.37      
4 A' 1488 1434 13.33      
5 A' 1326 1278 15.05      
6 A' 1280 1233 0.19      
7 A' 1150 1107 12.35      
8 A' 1081 1042 24.85      
9 A' 1060 1021 21.69      
10 A' 1011 974 0.42      
11 A' 967 932 2.37      
12 A" 866 834 18.30      
13 A" 730 703 7.61      
14 A" 686 661 6.69      
15 A" 553 532 84.15      

Unscaled Zero Point Vibrational Energy (zpe) 10367.1 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 9987.7 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 CCSD/aug-cc-pVDZ
ABC
0.34772 0.34111 0.17219

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.073 0.233 0.000
N2 0.000 1.062 0.000
N3 -1.119 0.303 0.000
N4 -0.731 -0.926 0.000
N5 0.637 -1.015 0.000
H6 2.110 0.558 0.000
H7 -0.060 2.072 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.35602.19272.14321.32091.08702.1601
N21.35601.35202.11772.17222.16911.0113
N32.19271.35201.28852.19543.23872.0610
N42.14322.11771.28851.37083.20473.0712
N51.32092.17222.19541.37082.15463.1639
H61.08702.16913.23873.20472.15462.6457
H72.16011.01132.06103.07123.16392.6457

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 108.132 C1 N2 H7 131.140
C1 N5 N4 105.531 N2 C1 N5 108.465
N2 C1 H6 124.845 N2 N3 N4 106.619
N3 N2 H7 120.727 N3 N4 N5 111.254
N5 C1 H6 126.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability