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

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-294.321113
Energy at 298.15K-294.328491
Nuclear repulsion energy227.561733
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 LSDA/3-21G*
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 3256 3198 1.05      
2 A 3120 3064 0.47      
3 A 3093 3037 1.33      
4 A 3012 2958 5.43      
5 A 1496 1469 20.14      
6 A 1475 1448 21.01      
7 A 1419 1393 18.23      
8 A 1367 1342 4.05      
9 A 1334 1310 0.27      
10 A 1228 1206 12.31      
11 A 1180 1159 12.93      
12 A 1116 1096 1.72      
13 A 1103 1083 8.82      
14 A 1086 1067 1.94      
15 A 981 964 1.18      
16 A 950 933 18.13      
17 A 887 871 22.68      
18 A 836 821 27.81      
19 A 700 688 8.53      
20 A 676 664 2.64      
21 A 658 646 1.06      
22 A 333 327 5.22      
23 A 221 217 7.63      
24 A 108 106 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15816.9 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 15532.2 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 LSDA/3-21G*
ABC
0.31034 0.12781 0.09215

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.322 -1.222 0.000
C2 1.424 -0.616 0.000
N3 0.185 -1.144 -0.000
N4 1.442 0.751 -0.000
N5 0.153 1.159 -0.000
N6 -0.582 -0.022 -0.000
H7 -2.393 -0.550 -0.900
H8 -2.340 1.017 -0.001
H9 -2.393 -0.547 0.902
C10 -2.020 -0.035 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.08332.13802.16033.22113.14224.84665.17124.84714.5009
C21.08331.34661.36712.18352.09223.92204.10253.92223.4924
N32.13801.34662.27402.30391.35972.79433.32342.79572.4681
N42.16031.36712.27401.35222.16664.14803.79094.14753.5501
N53.22112.18352.30391.35221.39133.19562.49673.19452.4798
N63.14222.09221.35972.16661.39132.08962.04152.08981.4378
H74.84663.92202.79434.14803.19562.08961.80661.80141.1014
H85.17124.10253.32343.79092.49672.04151.80661.80661.0999
H94.84713.92222.79574.14753.19452.08981.80141.80661.1015
C104.50093.49242.46813.55012.47981.43781.10141.09991.1015

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 122.884 H1 C2 N4 123.264
C2 N3 N6 101.261 C2 N4 N5 106.829
N3 C2 N4 113.852 N3 N6 N5 113.750
N3 N6 C10 123.808 N4 N5 N6 104.308
N5 N6 C10 122.442 N6 C10 H7 110.051
N6 C10 H8 106.351 N6 C10 H9 110.060
H7 C10 H8 110.308 H7 C10 H9 109.721
H8 C10 H9 110.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.270      
2 C 0.154      
3 N -0.237      
4 N -0.278      
5 N -0.036      
6 N -0.245      
7 H 0.271      
8 H 0.272      
9 H 0.271      
10 C -0.444      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.574 -1.523 0.001 2.990
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.962 -4.172 0.001
y -4.172 -39.840 -0.001
z 0.001 -0.001 -34.490
Traceless
 xyz
x 9.202 -4.172 0.001
y -4.172 -8.614 -0.001
z 0.001 -0.001 -0.589
Polar
3z2-r2-1.177
x2-y211.877
xy-4.172
xz0.001
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.279 -0.242 0.000
y -0.242 5.968 -0.000
z 0.000 -0.000 3.134


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000