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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-296.712863
Energy at 298.15K-296.720397
HF Energy-295.785972
Nuclear repulsion energy230.469695
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 MP2/6-31G*
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 3344 3153 0.01      
2 A 3265 3079 0.14      
3 A 3244 3059 2.85      
4 A 3142 2963 11.03      
5 A 1562 1473 8.59      
6 A 1535 1448 11.18      
7 A 1491 1406 0.17      
8 A 1483 1399 5.14      
9 A 1453 1370 9.14      
10 A 1358 1281 12.65      
11 A 1317 1242 15.52      
12 A 1253 1182 0.10      
13 A 1180 1113 18.59      
14 A 1178 1110 0.01      
15 A 1081 1020 8.75      
16 A 1048 988 15.90      
17 A 1007 950 2.28      
18 A 869 819 13.61      
19 A 718 677 15.58      
20 A 711 671 4.77      
21 A 684 645 6.22      
22 A 371 350 5.33      
23 A 236 222 5.66      
24 A 70 66 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16799.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 15842.3 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 MP2/6-31G*
ABC
0.32209 0.12996 0.09427

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.306 -1.210 0.001
C2 1.412 -0.605 0.001
N3 0.177 -1.127 -0.000
N4 1.423 0.749 -0.001
N5 0.149 1.124 0.001
N6 -0.559 -0.016 -0.000
H7 -2.362 -0.549 -0.892
H8 -2.334 1.008 -0.002
H9 -2.362 -0.544 0.895
C10 -2.009 -0.031 -0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07982.13092.14973.17783.10364.79845.14264.79924.4730
C21.07981.34121.35402.14042.05673.87874.07803.87893.4686
N32.13091.34122.25222.25071.33222.75233.29532.75412.4448
N42.14971.35402.25221.32702.12394.09893.76504.09853.5190
N53.17782.14042.25071.32701.34183.14652.48573.14452.4478
N63.10362.05671.33222.12391.34182.08122.04922.08131.4503
H74.79843.87872.75234.09893.14652.08121.79311.78711.0902
H85.14264.07803.29533.76502.48572.04921.79311.79301.0887
H94.79923.87892.75414.09853.14452.08131.78711.79301.0902
C104.47303.46862.44483.51902.44781.45031.09021.08871.0902

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 122.957 H1 C2 N4 123.683
C2 N3 N6 100.585 C2 N4 N5 105.942
N3 C2 N4 113.360 N3 N6 N5 114.645
N3 N6 C10 122.905 N4 N5 N6 105.468
N5 N6 C10 122.449 N6 C10 H7 109.194
N6 C10 H8 106.757 N6 C10 H9 109.200
H7 C10 H8 110.761 H7 C10 H9 110.096
H8 C10 H9 110.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability