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All results from a given calculation for C2H4N4 (1H-Tetrazole, 5-methyl-)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-297.616982
Energy at 298.15K-297.624374
HF Energy-297.616982
Nuclear repulsion energy228.591397
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 TPSSh/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' 3643 3516 62.92      
2 A' 3156 3046 2.30      
3 A' 3046 2939 14.16      
4 A' 1578 1523 42.38      
5 A' 1507 1454 0.87      
6 A' 1421 1372 0.33      
7 A' 1413 1364 23.89      
8 A' 1355 1308 3.62      
9 A' 1264 1220 16.36      
10 A' 1104 1066 2.02      
11 A' 1071 1033 10.89      
12 A' 1052 1015 24.43      
13 A' 1004 969 0.44      
14 A' 991 957 1.23      
15 A' 682 658 3.38      
16 A' 328 317 3.79      
17 A" 3107 2998 9.80      
18 A" 1497 1445 7.36      
19 A" 1069 1032 1.39      
20 A" 734 708 5.69      
21 A" 702 678 14.62      
22 A" 578 557 62.86      
23 A" 269 260 0.09      
24 A" 82 79 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 16326.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15755.5 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 TPSSh/6-31G(2df,p)
ABC
0.32724 0.12188 0.09031

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.148 -0.056 0.000
C2 0.000 0.598 0.000
C3 0.179 2.076 0.000
H4 0.728 2.411 0.886
H5 0.728 2.411 -0.886
H6 -0.806 2.545 0.000
N7 0.992 -0.319 0.000
N8 0.452 -1.559 0.000
N9 -0.828 -1.381 0.000
H10 1.995 -0.206 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32092.51103.22303.22302.62292.15602.19481.36313.1460
C21.32091.48892.14512.14512.10691.35092.20372.14492.1506
C32.51101.48891.09481.09481.09062.52923.64523.60052.9162
H43.22302.14511.09481.77241.77632.88204.07684.19313.0393
H53.22302.14511.09481.77241.77632.88204.07684.19313.0393
H62.62292.10691.09061.77631.77633.38124.29193.92563.9254
N72.15601.35092.52922.88202.88203.38121.35282.10711.0088
N82.19482.20373.64524.07684.07684.29191.35281.29172.0522
N91.36312.14493.60054.19314.19313.92562.10711.29173.0572
H103.14602.15062.91623.03933.03933.92541.00882.05223.0572

picture of 1H-Tetrazole, 5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 126.572 N1 C2 N7 107.596
N1 N9 N8 111.502 C2 N1 N9 106.089
C2 C3 H4 111.334 C2 C3 H5 111.334
C2 C3 H6 108.543 C2 N7 N8 109.185
C2 N7 H10 130.837 C3 C2 N7 125.833
H4 C3 H5 108.082 H4 C3 H6 108.742
H5 C3 H6 108.742 N7 N8 N9 105.629
N8 N7 H10 119.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability