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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-296.753261
Energy at 298.15K-296.760701
HF Energy-295.818256
Nuclear repulsion energy227.339313
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/cc-pVDZ
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 3660 3486 97.92      
2 A 3223 3070 0.58      
3 A 3097 2950 12.51      
4 A 1593 1517 33.82      
5 A 1513 1441 0.59      
6 A 1444 1375 25.01      
7 A 1411 1344 1.37      
8 A 1335 1272 8.42      
9 A 1201 1144 7.15      
10 A 1142 1088 1.56      
11 A 1116 1063 16.50      
12 A 1071 1020 17.95      
13 A 1015 966 1.37      
14 A 992 945 0.74      
15 A 690 657 3.58      
16 A 330 315 4.42      
17 A 3187 3035 6.13      
18 A 1484 1414 9.47      
19 A 1066 1015 0.91      
20 A 737 702 12.76      
21 A 704 671 22.58      
22 A 603 575 48.45      
23 A 265 252 0.08      
24 A 88 84 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 16482.9 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 15699.9 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/cc-pVDZ
ABC
0.32121 0.12112 0.08946

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.156 -0.061 0.000
C2 0.000 0.603 0.000
C3 0.184 2.084 0.000
H4 0.733 2.420 0.894
H5 0.733 2.420 -0.894
H6 -0.809 2.554 0.000
N7 0.993 -0.322 0.000
N8 0.468 -1.561 0.000
N9 -0.842 -1.386 0.000
H10 2.002 -0.201 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.33342.52953.24473.24472.63792.16512.21031.36093.1615
C21.33341.49242.15412.15412.11191.35742.21392.15952.1575
C32.52951.49241.10201.10201.09872.53873.65603.61822.9197
H43.24472.15411.10201.78841.78792.89644.08914.21513.0460
H53.24472.15411.10201.78841.78792.89644.08914.21513.0460
H62.63792.11191.09871.78791.78793.39414.30823.93933.9356
N72.16511.35742.53872.89642.89643.39411.34552.12121.0165
N82.21032.21393.65604.08914.08914.30821.34551.32162.0510
N91.36092.15953.61824.21514.21513.93932.12121.32163.0817
H103.16152.15752.91973.04603.04603.93561.01652.05103.0817

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 126.963 N1 C2 N7 107.147
N1 N9 N8 110.960 C2 N1 N9 106.547
C2 C3 H4 111.367 C2 C3 H5 111.367
C2 C3 H6 108.224 C2 N7 N8 109.982
C2 N7 H10 130.135 C3 C2 N7 125.890
H4 C3 H5 108.470 H4 C3 H6 108.672
H5 C3 H6 108.672 N7 N8 N9 105.363
N8 N7 H10 119.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability