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

using model chemistry: QCISD/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-257.800983
Energy at 298.15K-257.806627
HF Energy-256.844704
Nuclear repulsion energy167.312616
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-pVTZ
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' 3718 3553 108.41      
2 A' 3320 3172 1.21      
3 A' 1546 1477 17.99      
4 A' 1495 1429 12.67      
5 A' 1345 1285 16.54      
6 A' 1294 1237 0.51      
7 A' 1165 1113 16.56      
8 A' 1083 1035 26.96      
9 A' 1064 1017 18.39      
10 A' 1021 976 0.45      
11 A' 979 935 2.99      
12 A" 905 865 16.42      
13 A" 749 715 8.73      
14 A" 698 666 5.31      
15 A" 568 543 86.15      

Unscaled Zero Point Vibrational Energy (zpe) 10474.8 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 10008.7 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 QCISD/cc-pVTZ
ABC
0.35388 0.34720 0.17525

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.062 0.233 0.000
N2 0.000 1.052 0.000
N3 -1.115 0.299 0.000
N4 -0.724 -0.920 0.000
N5 0.639 -1.005 0.000
H6 2.085 0.558 0.000
H7 -0.059 2.053 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34132.17802.12551.30791.07392.1378
N21.34131.34552.10092.15402.14301.0027
N32.17801.34551.28052.18573.21082.0473
N42.12552.10091.28051.36543.17433.0466
N51.30792.15402.18571.36542.12953.1367
H61.07392.14303.21083.17432.12952.6140
H72.13781.00272.04733.04663.13672.6140

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 108.311 C1 N2 H7 131.031
C1 N5 N4 105.305 N2 C1 N5 108.790
N2 C1 H6 124.704 N2 N3 N4 106.242
N3 N2 H7 120.658 N3 N4 N5 111.353
N5 C1 H6 126.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability