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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-257.665568
Energy at 298.15K-257.671076
HF Energy-256.829317
Nuclear repulsion energy166.856023
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/TZVP
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' 3712 3546 110.16      
2 A' 3332 3184 1.26      
3 A' 1544 1475 21.07      
4 A' 1490 1424 13.62      
5 A' 1333 1274 19.79      
6 A' 1295 1237 0.81      
7 A' 1166 1114 16.95      
8 A' 1077 1029 24.77      
9 A' 1050 1003 21.43      
10 A' 1015 970 0.22      
11 A' 964 921 3.78      
12 A" 838 801 27.32      
13 A" 717 685 8.89      
14 A" 678 647 11.12      
15 A" 453 433 77.93      

Unscaled Zero Point Vibrational Energy (zpe) 10333.4 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 9871.5 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 QCISD/TZVP
ABC
0.35208 0.34515 0.17429

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.065 0.234 0.000
N2 0.000 1.055 0.000
N3 -1.119 0.298 0.000
N4 -0.726 -0.923 0.000
N5 0.643 -1.005 0.000
H6 2.089 0.560 0.000
H7 -0.062 2.059 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34462.18492.13161.30881.07512.1449
N21.34461.35162.10722.15852.14711.0057
N32.18491.35161.28262.19183.21922.0543
N42.13162.10721.28261.37153.18163.0551
N51.30882.15852.19181.37152.13073.1444
H61.07512.14713.21923.18162.13072.6221
H72.14491.00572.05433.05513.14442.6221

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 108.259 C1 N2 H7 131.190
C1 N5 N4 105.346 N2 C1 N5 108.871
N2 C1 H6 124.701 N2 N3 N4 106.220
N3 N2 H7 120.551 N3 N4 N5 111.304
N5 C1 H6 126.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability