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All results from a given calculation for CH3N5 (5-Aminotetrazole)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-56.471911
Energy at 298.15K-56.479219
HF Energy-55.558633
Nuclear repulsion energy119.893711
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 MP2/CEP-31G*
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 3663 3478 108.74      
2 A 3654 3469 32.41      
3 A 3545 3366 25.46      
4 A 1699 1613 98.90      
5 A 1607 1525 140.69      
6 A 1510 1434 31.11      
7 A 1366 1297 0.65      
8 A 1200 1139 10.29      
9 A 1172 1113 18.67      
10 A 1134 1077 8.73      
11 A 1104 1048 18.33      
12 A 1055 1001 13.82      
13 A 985 935 0.50      
14 A 859 816 231.60      
15 A 717 680 11.60      
16 A 708 672 2.38      
17 A 692 657 69.08      
18 A 580 550 71.73      
19 A 382 363 16.44      
20 A 301 285 1.98      
21 A 202 192 64.60      

Unscaled Zero Point Vibrational Energy (zpe) 14066.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 13355.0 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 MP2/CEP-31G*
ABC
0.32263 0.12421 0.09028

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.590 -0.055 -0.006
H2 0.051 2.017 -0.093
N3 0.250 1.018 -0.022
N4 1.545 0.580 0.007
N5 1.464 -0.756 0.021
N6 0.149 -1.172 0.020
H7 -2.401 0.554 0.674
H8 -2.378 -0.906 -0.136
N9 -1.990 0.041 -0.110

Atom - Atom Distances (Å)
  C1 H2 N3 N4 N5 N6 H7 H8 N9
C12.17041.36302.22762.17041.33992.02831.98461.4072
H22.17041.02062.07533.11373.19252.95693.80062.8409
N31.36301.02061.36762.14982.19322.78043.25932.4457
N42.22762.07531.36761.33802.24044.00264.19783.5780
N52.17043.11372.14981.33801.37944.13313.84863.5471
N61.33993.19252.19322.24041.37943.14812.54632.4626
H72.02832.95692.78044.00264.13313.14811.66911.0235
H81.98463.80063.25934.19783.84862.54631.66911.0234
N91.40722.84092.44573.57803.54712.46261.02351.0234

picture of 5-Aminotetrazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H2 130.610 C1 N3 N4 109.335
C1 N6 N5 105.902 C1 N9 H7 112.153
C1 N9 H8 108.446 H2 N3 N4 119.982
N3 C1 N6 108.467 N3 C1 N9 123.971
N3 N4 N5 105.231 N4 N5 N6 111.057
N6 C1 N9 127.378 H7 N9 H8 109.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability