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All results from a given calculation for C2H4N4 (2H-Tetrazole, 2-methyl-)

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-296.868052
Energy at 298.15K-296.875497
HF Energy-295.876566
Nuclear repulsion energy231.178782
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/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 3339 3165 0.01      
2 A 3242 3073 0.28      
3 A 3221 3054 3.62      
4 A 3121 2959 13.86      
5 A 1541 1460 7.74      
6 A 1495 1417 11.31      
7 A 1477 1400 0.05      
8 A 1462 1386 6.00      
9 A 1436 1361 12.98      
10 A 1333 1264 11.72      
11 A 1302 1234 12.58      
12 A 1230 1166 0.46      
13 A 1171 1110 18.67      
14 A 1165 1104 0.24      
15 A 1073 1017 8.93      
16 A 1044 989 15.12      
17 A 1009 956 1.41      
18 A 833 790 15.32      
19 A 716 679 14.71      
20 A 693 657 7.25      
21 A 651 617 3.40      
22 A 375 355 5.19      
23 A 213 202 4.42      
24 A 44 42 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16591.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 15727.3 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/TZVP
ABC
0.32504 0.13044 0.09476

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.277 -1.173 0.003
C2 1.395 -0.593 0.001
N3 0.191 -1.117 -0.001
N4 1.379 0.741 0.001
N5 0.162 1.115 -0.001
N6 -0.544 -0.023 -0.003
H7 -2.350 -0.547 -0.887
H8 -2.321 1.002 -0.002
H9 -2.346 -0.539 0.896
C10 -1.991 -0.033 0.001

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.05552.08722.11353.11543.04624.75365.08614.75144.4177
C21.05551.31341.33342.10632.02093.84964.04353.84743.4322
N32.08721.31342.20492.23161.31742.75083.28552.75212.4360
N42.11351.33342.20491.27332.06894.04413.70904.03963.4580
N53.11542.10632.23161.27331.33903.14002.48543.13552.4402
N63.04622.02091.31742.06891.33902.07852.05122.07921.4475
H74.75363.84962.75084.04413.14002.07851.78391.78261.0872
H85.08614.04353.28553.70902.48542.05121.78391.78341.0862
H94.75143.84742.75214.03963.13552.07921.78261.78341.0871
C104.41773.43222.43603.45802.44021.44751.08721.08621.0871

picture of 2H-Tetrazole, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 N3 123.172 H1 C2 N4 124.011
C2 N3 N6 100.378 C2 N4 N5 107.783
N3 C2 N4 112.818 N3 N6 N5 114.303
N3 N6 C10 123.474 N4 N5 N6 104.719
N5 N6 C10 122.222 N6 C10 H7 109.358
N6 C10 H8 107.251 N6 C10 H9 109.416
H7 C10 H8 110.332 H7 C10 H9 110.142
H8 C10 H9 110.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability