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

using model chemistry: MP2=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-296.735627
Energy at 298.15K-296.743051
HF Energy-295.790665
Nuclear repulsion energy227.903583
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=FULL/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 3656 3444 97.97      
2 A 3234 3047 0.48      
3 A 3118 2938 8.40      
4 A 1604 1512 39.52      
5 A 1562 1472 0.75      
6 A 1473 1388 14.26      
7 A 1468 1383 12.67      
8 A 1358 1280 9.75      
9 A 1201 1132 6.29      
10 A 1152 1085 1.09      
11 A 1124 1059 22.26      
12 A 1079 1017 15.59      
13 A 1028 969 0.38      
14 A 1018 959 2.08      
15 A 695 655 3.97      
16 A 339 319 4.54      
17 A 3199 3014 5.53      
18 A 1545 1456 11.31      
19 A 1100 1037 1.36      
20 A 735 693 16.34      
21 A 705 665 28.83      
22 A 610 575 60.05      
23 A 265 250 0.18      
24 A 78 73 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 16673.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 15709.7 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=FULL/6-31G*
ABC
0.32340 0.12168 0.08991

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.150 -0.062 0.000
C2 0.000 0.603 0.000
C3 0.179 2.078 0.000
H4 0.722 2.414 0.887
H5 0.722 2.414 -0.887
H6 -0.809 2.539 0.000
N7 0.990 -0.316 0.000
N8 0.471 -1.559 0.000
N9 -0.840 -1.386 0.000
H10 1.997 -0.197 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32862.51903.22873.22872.62312.15542.20711.35993.1505
C21.32861.48612.14242.14242.09861.35052.21232.15842.1512
C32.51901.48611.09321.09321.09012.52783.64863.61022.9125
H43.22872.14241.09321.77391.77402.88334.07874.20303.0383
H53.22872.14241.09321.77391.77402.88334.07874.20303.0383
H62.62312.09861.09011.77401.77403.37474.29333.92483.9193
N72.15541.35052.52782.88332.88333.37471.34672.11921.0143
N82.20712.21233.64864.07874.07874.29331.34671.32222.0453
N91.35992.15843.61024.20304.20303.92482.11921.32223.0757
H103.15052.15122.91253.03833.03833.91931.01432.04533.0757

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 126.910 N1 C2 N7 107.124
N1 N9 N8 110.742 C2 N1 N9 106.794
C2 C3 H4 111.417 C2 C3 H5 111.417
C2 C3 H6 108.115 C2 N7 N8 110.217
C2 N7 H10 130.389 C3 C2 N7 125.966
H4 C3 H5 108.448 H4 C3 H6 108.687
H5 C3 H6 108.687 N7 N8 N9 105.123
N8 N7 H10 119.395
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability