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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-295.821172
Energy at 298.15K-295.828903
Nuclear repulsion energy234.540815
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/6-31G(2df,p)
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' 3438 3113 0.05      
2 A' 3299 2987 9.86      
3 A' 3208 2905 27.48      
4 A' 1696 1535 52.70      
5 A' 1658 1502 10.29      
6 A' 1611 1459 7.15      
7 A' 1587 1437 17.75      
8 A' 1537 1392 9.91      
9 A' 1420 1286 9.84      
10 A' 1336 1210 30.08      
11 A' 1250 1132 47.30      
12 A' 1158 1048 1.06      
13 A' 1147 1038 19.71      
14 A' 1102 998 4.62      
15 A' 746 675 14.82      
16 A' 380 344 1.41      
17 A" 3291 2980 11.17      
18 A" 1598 1447 7.41      
19 A" 1257 1138 0.34      
20 A" 1014 919 6.66      
21 A" 815 738 1.33      
22 A" 728 659 10.67      
23 A" 236 214 0.01      
24 A" 57 51 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 17784.8 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 16104.1 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/6-31G(2df,p)
ABC
0.34055 0.13044 0.09600

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.066 -0.231 0.000
N2 0.000 0.557 0.000
N3 1.066 -0.226 0.000
N4 0.658 -1.410 0.000
N5 -0.677 -1.461 0.000
H6 -2.077 0.117 0.000
C7 0.119 1.996 0.000
H8 -0.873 2.425 0.000
H9 0.652 2.321 0.883
H10 0.652 2.321 -0.883

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.32602.13232.08831.29021.06852.52322.66273.20123.2012
N21.32601.32302.07412.12902.12271.44392.06162.07782.0778
N32.13231.32301.25222.13633.16132.41563.28462.72792.7279
N42.08832.07411.25221.33573.13153.44844.12893.83433.8343
N51.29022.12902.13631.33572.10933.54803.89084.10544.1054
H61.06852.12273.16133.13152.10932.89032.60263.61743.6174
C72.52321.44392.41563.44843.54802.89031.08131.08151.0815
H82.66272.06163.28464.12893.89082.60261.08131.76581.7658
H93.20122.07782.72793.83434.10543.61741.08151.76581.7665
H103.20122.07782.72793.83434.10543.61741.08151.76581.7665

picture of 1H-Tetrazole, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 107.212 C1 N2 C7 131.220
C1 N5 N4 105.352 N2 C1 N5 108.922
N2 C1 H6 124.518 N2 N3 N4 107.273
N2 C7 H8 108.600 N2 C7 H9 109.894
N2 C7 H10 109.894 N3 N2 C7 121.569
N3 N4 N5 111.242 N5 C1 H6 126.560
H8 C7 H9 109.464 H8 C7 H10 109.464
H9 C7 H10 109.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.090      
2 N -0.138      
3 N -0.078      
4 N -0.067      
5 N -0.252      
6 H 0.199      
7 C -0.294      
8 H 0.170      
9 H 0.185      
10 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.311 5.517 0.000 5.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.695 -0.602 0.000
y -0.602 -36.071 0.000
z 0.000 0.000 -34.210
Traceless
 xyz
x 0.445 -0.602 0.000
y -0.602 -1.618 0.000
z 0.000 0.000 1.173
Polar
3z2-r22.347
x2-y21.375
xy-0.602
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.508 0.070 0.000
y 0.070 7.608 0.000
z 0.000 0.000 4.011


<r2> (average value of r2) Å2
<r2> 122.731
(<r2>)1/2 11.078