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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-297.244915
Energy at 298.15K-297.252372
Nuclear repulsion energy230.090913
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 PBEPBE/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 3232 3186 0.85      
2 A 3134 3089 0.47      
3 A 3099 3054 5.34      
4 A 3021 2978 16.79      
5 A 1485 1464 6.53      
6 A 1456 1436 11.34      
7 A 1443 1422 10.61      
8 A 1413 1393 1.12      
9 A 1377 1357 7.77      
10 A 1281 1263 12.62      
11 A 1259 1241 9.56      
12 A 1206 1189 7.37      
13 A 1135 1119 10.20      
14 A 1119 1103 0.18      
15 A 1015 1000 20.18      
16 A 995 981 17.22      
17 A 984 970 10.16      
18 A 843 831 10.87      
19 A 704 694 9.65      
20 A 700 690 4.47      
21 A 668 658 5.01      
22 A 362 356 4.76      
23 A 225 221 4.98      
24 A 90 89 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16122.1 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 15891.5 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 PBEPBE/6-31G*
ABC
0.31995 0.12972 0.09397

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.316 -1.215 0.000
C2 1.414 -0.605 0.000
N3 0.181 -1.132 -0.000
N4 1.423 0.755 -0.000
N5 0.153 1.124 0.000
N6 -0.560 -0.017 -0.000
H7 -2.380 -0.551 -0.897
H8 -2.346 1.016 -0.003
H9 -2.380 -0.546 0.901
C10 -2.013 -0.031 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.08822.13612.16253.18613.11494.82685.16754.82784.4876
C21.08821.34051.36022.14092.05973.89954.09443.90003.4748
N32.13611.34052.25852.25621.33822.77553.31592.77742.4547
N42.16251.36022.25851.32312.12794.12003.77784.11913.5245
N53.18612.14092.25621.32311.34573.16672.50073.16472.4543
N63.11492.05971.33822.12791.34572.09852.06312.09861.4531
H74.82683.89952.77554.12003.16672.09851.80421.79801.1005
H85.16754.09443.31593.77782.50072.06311.80421.80421.0979
H94.82783.90002.77744.11913.16472.09861.79801.80421.1005
C104.48763.47482.45473.52452.45431.45311.10051.09791.1005

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 122.827 H1 C2 N4 123.686
C2 N3 N6 100.510 C2 N4 N5 105.845
N3 C2 N4 113.487 N3 N6 N5 114.413
N3 N6 C10 123.095 N4 N5 N6 105.744
N5 N6 C10 122.492 N6 C10 H7 109.755
N6 C10 H8 107.122 N6 C10 H9 109.764
H7 C10 H8 110.314 H7 C10 H9 109.548
H8 C10 H9 110.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.183      
2 C 0.180      
3 N -0.263      
4 N -0.276      
5 N -0.057      
6 N -0.040      
7 H 0.209      
8 H 0.215      
9 H 0.209      
10 C -0.360      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.446 -1.417 0.000 2.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.230 -3.939 0.002
y -3.939 -39.271 -0.000
z 0.002 -0.000 -34.040
Traceless
 xyz
x 8.426 -3.939 0.002
y -3.939 -8.136 -0.000
z 0.002 -0.000 -0.290
Polar
3z2-r2-0.579
x2-y211.042
xy-3.939
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.837 -0.163 -0.001
y -0.163 6.600 -0.000
z -0.001 -0.000 3.767


<r2> (average value of r2) Å2
<r2> 125.138
(<r2>)1/2 11.187