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

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-56.536189
Energy at 298.15K-56.543470
HF Energy-55.568505
Nuclear repulsion energy120.208139
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-121G*
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 3648 3476 93.42      
2 A 3638 3466 28.64      
3 A 3533 3366 21.67      
4 A 1711 1631 84.28      
5 A 1602 1526 147.03      
6 A 1501 1430 29.79      
7 A 1363 1299 0.44      
8 A 1186 1130 3.30      
9 A 1155 1101 24.60      
10 A 1130 1077 7.28      
11 A 1093 1041 16.94      
12 A 1056 1006 16.27      
13 A 988 941 0.39      
14 A 869 828 232.66      
15 A 716 682 7.10      
16 A 700 667 9.08      
17 A 683 651 59.78      
18 A 561 534 67.87      
19 A 378 361 16.47      
20 A 288 274 1.86      
21 A 197 188 61.92      

Unscaled Zero Point Vibrational Energy (zpe) 13998.0 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 13337.2 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-121G*
ABC
0.32497 0.12467 0.09070

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.590 -0.055 -0.003
H2 0.048 2.008 -0.091
N3 0.250 1.015 -0.022
N4 1.543 0.578 0.006
N5 1.462 -0.754 0.019
N6 0.148 -1.167 0.022
H7 -2.398 0.549 0.670
H8 -2.373 -0.901 -0.143
N9 -1.986 0.041 -0.110

Atom - Atom Distances (Å)
  C1 H2 N3 N4 N5 N6 H7 H8 N9
C12.16111.36002.22492.16761.33572.02171.97831.4028
H22.16111.01612.07043.10433.17902.94873.78522.8297
N31.36001.01611.36462.14392.18472.77663.25012.4400
N42.22492.07041.36461.33472.23433.99704.18853.5710
N52.16763.10432.14391.33471.37684.12553.84073.5399
N61.33573.17902.18472.23431.37683.13882.54072.4558
H72.02172.94872.77663.99704.12553.13881.66241.0188
H81.97833.78523.25014.18853.84072.54071.66241.0188
N91.40282.82972.44003.57103.53992.45581.01881.0188

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 130.322 C1 N3 N4 109.493
C1 N6 N5 106.088 C1 N9 H7 112.229
C1 N9 H8 108.520 H2 N3 N4 120.122
N3 C1 N6 108.276 N3 C1 N9 124.049
N3 N4 N5 105.161 N4 N5 N6 110.973
N6 C1 N9 127.459 H7 N9 H8 109.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability