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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-297.594661
Energy at 298.15K-297.602195
HF Energy-297.594661
Nuclear repulsion energy231.167784
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 TPSSh/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 3312 3178 1.33      
2 A 3206 3076 1.61      
3 A 3172 3043 8.43      
4 A 3092 2967 19.50      
5 A 1545 1482 6.20      
6 A 1519 1457 9.25      
7 A 1494 1433 9.42      
8 A 1472 1412 1.39      
9 A 1405 1348 15.09      
10 A 1318 1265 12.29      
11 A 1308 1255 9.30      
12 A 1239 1189 11.45      
13 A 1170 1122 11.05      
14 A 1161 1113 0.01      
15 A 1038 995 13.04      
16 A 1034 992 33.22      
17 A 1015 974 3.19      
18 A 883 847 11.54      
19 A 716 687 5.21      
20 A 710 681 13.32      
21 A 683 655 5.02      
22 A 362 347 4.84      
23 A 229 220 5.43      
24 A 89 86 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16585.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 15911.7 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 TPSSh/6-31G*
ABC
0.32406 0.13047 0.09470

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.308 -1.201 0.000
C2 1.410 -0.603 0.000
N3 0.186 -1.121 -0.000
N4 1.409 0.756 0.000
N5 0.149 1.110 -0.000
N6 -0.552 -0.014 -0.000
H7 -2.363 -0.554 -0.891
H8 -2.340 1.003 -0.004
H9 -2.363 -0.547 0.895
C10 -2.007 -0.034 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07942.12312.15423.16303.09674.79935.14434.80084.4698
C21.07941.32871.35912.12692.04823.87704.07923.87803.4634
N32.12311.32872.24052.23161.33112.75963.30082.76242.4477
N42.15421.35912.24051.30892.10664.09163.75724.09023.5059
N53.16302.12692.23161.30891.32423.14222.49123.13992.4403
N63.09672.04821.33112.10661.32422.08962.05702.08981.4549
H74.79933.87702.75964.09163.14222.08961.79231.78621.0917
H85.14434.07923.30083.75722.49122.05701.79231.79221.0892
H94.80083.87802.76244.09023.13992.08981.78621.79221.0917
C104.46983.46342.44773.50592.44031.45491.09171.08921.0917

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 123.354 H1 C2 N4 123.710
C2 N3 N6 100.717 C2 N4 N5 105.711
N3 C2 N4 112.936 N3 N6 N5 114.369
N3 N6 C10 122.881 N4 N5 N6 106.267
N5 N6 C10 122.750 N6 C10 H7 109.453
N6 C10 H8 107.025 N6 C10 H9 109.470
H7 C10 H8 110.531 H7 C10 H9 109.788
H8 C10 H9 110.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.201      
2 C 0.198      
3 N -0.283      
4 N -0.298      
5 N -0.055      
6 N -0.063      
7 H 0.209      
8 H 0.217      
9 H 0.209      
10 C -0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.477 -1.455 0.000 2.873
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.571 -0.145 -0.000
y -0.145 6.501 -0.000
z -0.000 -0.000 3.726


<r2> (average value of r2) Å2
<r2> 124.268
(<r2>)1/2 11.148