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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-296.847168
Energy at 298.15K-296.854608
HF Energy-295.862367
Nuclear repulsion energy228.226804
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 MP2/6-311G**
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 3679 3496 97.38      
2 A 3205 3046 1.04      
3 A 3089 2935 11.33      
4 A 1593 1514 37.59      
5 A 1527 1451 0.07      
6 A 1450 1378 25.77      
7 A 1430 1359 2.41      
8 A 1350 1283 7.79      
9 A 1203 1143 7.88      
10 A 1143 1086 1.37      
11 A 1120 1064 18.81      
12 A 1079 1025 16.66      
13 A 1018 967 0.74      
14 A 1006 956 0.85      
15 A 689 655 3.57      
16 A 333 316 4.58      
17 A 3169 3011 7.42      
18 A 1504 1429 10.21      
19 A 1079 1026 0.48      
20 A 734 697 21.19      
21 A 708 672 27.41      
22 A 618 587 41.27      
23 A 261 248 0.09      
24 A 78 74 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 16532.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 15709.0 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 MP2/6-311G**
ABC
0.32440 0.12186 0.09009

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.150 -0.061 0.000
C2 0.000 0.601 0.000
C3 0.182 2.079 0.000
H4 0.727 2.410 0.888
H5 0.727 2.410 -0.888
H6 -0.804 2.543 0.000
N7 0.989 -0.321 0.000
N8 0.465 -1.557 0.000
N9 -0.839 -1.382 0.000
H10 1.993 -0.203 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32612.52003.22733.22732.62592.15472.20101.35723.1453
C21.32611.48932.14292.14292.10181.35202.20682.15252.1487
C32.52001.48931.09341.09341.09012.53163.64633.60792.9128
H43.22732.14291.09341.77621.77542.88364.07344.19753.0363
H53.22732.14291.09341.77621.77542.88364.07344.19753.0363
H62.62592.10181.09011.77541.77543.37874.29113.92443.9194
N72.15471.35202.53162.88362.88363.37871.34252.11371.0100
N82.20102.20683.64634.07344.07344.29111.34251.31532.0409
N91.35722.15253.60794.19754.19753.92442.11371.31533.0667
H103.14532.14872.91283.03633.03633.91941.01002.04093.0667

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 126.943 N1 C2 N7 107.130
N1 N9 N8 110.878 C2 N1 N9 106.672
C2 C3 H4 111.213 C2 C3 H5 111.213
C2 C3 H6 108.146 C2 N7 N8 109.964
C2 N7 H10 130.361 C3 C2 N7 125.928
H4 C3 H5 108.625 H4 C3 H6 108.793
H5 C3 H6 108.793 N7 N8 N9 105.356
N8 N7 H10 119.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability