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

using model chemistry: HF/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 HF/cc-pVDZ
 hartrees
Energy at 0K-295.823387
Energy at 298.15K-295.831260
Nuclear repulsion energy235.437806
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 HF/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 3464 3145 0.74      
2 A 3354 3045 1.88      
3 A 3318 3013 11.28      
4 A 3230 2933 27.77      
5 A 1697 1541 14.45      
6 A 1613 1465 16.61      
7 A 1590 1444 26.73      
8 A 1579 1434 10.39      
9 A 1559 1415 5.98      
10 A 1492 1354 12.15      
11 A 1458 1324 22.02      
12 A 1423 1292 32.23      
13 A 1252 1137 12.08      
14 A 1242 1128 0.04      
15 A 1164 1057 47.06      
16 A 1148 1043 12.34      
17 A 1135 1030 8.75      
18 A 1016 923 9.45      
19 A 801 727 6.22      
20 A 773 702 22.34      
21 A 767 696 10.71      
22 A 406 368 5.60      
23 A 254 231 5.62      
24 A 88 80 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17910.1 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 16262.4 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 HF/cc-pVDZ
ABC
0.33996 0.13404 0.09791

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.298 -1.178 0.000
C2 1.399 -0.588 0.000
N3 0.197 -1.092 -0.000
N4 1.380 0.752 0.000
N5 0.143 1.078 -0.000
N6 -0.541 -0.014 -0.000
H7 -2.342 -0.559 -0.887
H8 -2.331 0.990 -0.004
H9 -2.342 -0.552 0.891
C10 -1.988 -0.039 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07472.10252.13683.11963.06814.76395.11124.76564.4345
C21.07471.30371.34012.08682.02353.84484.05033.84593.4315
N32.10251.30372.19082.17131.30672.74163.27512.74432.4256
N42.13681.34012.19081.27902.06804.04413.71854.04293.4595
N53.11962.08682.17131.27901.28913.10532.47593.10302.4065
N63.06812.02351.30672.06801.28912.07982.05232.08011.4472
H74.76393.84482.74164.04413.10532.07981.78301.77791.0872
H85.11124.05033.27513.71852.47592.05231.78301.78301.0847
H94.76563.84592.74434.04293.10302.08011.77791.78301.0873
C104.43453.43152.42563.45952.40651.44721.08721.08471.0873

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 123.981 H1 C2 N4 124.100
C2 N3 N6 101.644 C2 N4 N5 105.624
N3 C2 N4 111.919 N3 N6 N5 113.542
N3 N6 C10 123.401 N4 N5 N6 107.271
N5 N6 C10 123.057 N6 C10 H7 109.473
N6 C10 H8 107.440 N6 C10 H9 109.491
H7 C10 H8 110.357 H7 C10 H9 109.693
H8 C10 H9 110.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.062 0.035    
2 C 0.243 0.545    
3 N -0.225 -0.654    
4 N -0.265 -0.417    
5 N -0.020 -0.253    
6 N -0.173 0.696    
7 H 0.068 0.143    
8 H 0.070 0.103    
9 H 0.068 0.142    
10 C 0.172 -0.340    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.505 -1.430 0.000 2.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.260 -4.228 0.001
y -4.228 -39.885 -0.000
z 0.001 -0.000 -34.359
Traceless
 xyz
x 8.862 -4.228 0.001
y -4.228 -8.575 -0.000
z 0.001 -0.000 -0.286
Polar
3z2-r2-0.572
x2-y211.625
xy-4.228
xz0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.036 -0.123 -0.000
y -0.123 6.003 0.000
z -0.000 0.000 3.720


<r2> (average value of r2) Å2
<r2> 121.376
(<r2>)1/2 11.017