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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-297.486518
Energy at 298.15K-297.494154
Nuclear repulsion energy233.267216
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 B1B95/6-31G(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 3303 3163 0.41      
2 A 3206 3071 0.29      
3 A 3172 3037 4.28      
4 A 3086 2956 15.95      
5 A 1530 1465 5.87      
6 A 1492 1429 12.17      
7 A 1473 1410 9.80      
8 A 1452 1391 5.84      
9 A 1436 1376 3.29      
10 A 1343 1286 19.35      
11 A 1333 1277 6.88      
12 A 1280 1226 12.01      
13 A 1178 1128 9.81      
14 A 1147 1099 0.10      
15 A 1068 1022 30.20      
16 A 1050 1005 8.40      
17 A 1029 985 6.92      
18 A 908 869 8.01      
19 A 732 701 3.27      
20 A 731 700 13.06      
21 A 704 674 8.53      
22 A 368 353 4.81      
23 A 238 228 4.21      
24 A 96 92 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 16676.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15970.8 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 B1B95/6-31G(2df,p)
ABC
0.33095 0.13270 0.09645

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.299 -1.192 -0.000
C2 1.404 -0.594 -0.000
N3 0.187 -1.111 0.000
N4 1.399 0.751 0.001
N5 0.144 1.101 -0.001
N6 -0.550 -0.019 -0.000
H7 -2.355 -0.550 -0.888
H8 -2.324 1.001 -0.003
H9 -2.355 -0.545 0.892
C10 -1.991 -0.034 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07682.11432.14113.14693.08164.78125.11684.78264.4444
C21.07681.32291.34432.11172.03713.86244.05453.86343.4415
N32.11431.32292.22172.21221.31742.74973.28052.75192.4298
N42.14111.34432.22171.30322.09594.07103.73124.06983.4804
N53.14692.11172.21221.30321.31743.12352.46943.12192.4182
N63.08162.03711.31742.09591.31742.08002.04582.08021.4413
H74.78123.86242.74974.07103.12352.08001.78641.77961.0896
H85.11684.05453.28053.73122.46942.04581.78641.78641.0872
H94.78263.86342.75194.06983.12192.08021.77961.78641.0896
C104.44443.44152.42983.48042.41821.44131.08961.08721.0896

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 123.217 H1 C2 N4 123.973
C2 N3 N6 100.990 C2 N4 N5 105.794
N3 C2 N4 112.810 N3 N6 N5 114.194
N3 N6 C10 123.410 N4 N5 N6 106.211
N5 N6 C10 122.396 N6 C10 H7 109.756
N6 C10 H8 107.182 N6 C10 H9 109.772
H7 C10 H8 110.305 H7 C10 H9 109.500
H8 C10 H9 110.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.157      
2 C 0.097      
3 N -0.259      
4 N -0.223      
5 N -0.110      
6 N 0.134      
7 H 0.173      
8 H 0.184      
9 H 0.173      
10 C -0.324      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.420 -1.405 -0.000 2.798
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.939 -3.867 -0.002
y -3.867 -38.939 0.000
z -0.002 0.000 -33.647
Traceless
 xyz
x 8.354 -3.867 -0.002
y -3.867 -8.145 0.000
z -0.002 0.000 -0.208
Polar
3z2-r2-0.417
x2-y210.999
xy-3.867
xz-0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.732 -0.162 -0.000
y -0.162 6.557 0.000
z -0.000 0.000 4.107


<r2> (average value of r2) Å2
<r2> 122.339
(<r2>)1/2 11.061