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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-297.386702
Energy at 298.15K-297.380614
Nuclear repulsion energy 
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 B3LYP/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 3306 3175 0.75      
2 A 3199 3072 1.19      
3 A 3163 3038 7.15      
4 A 3090 2967 18.81      
5 A 1536 1475 6.01      
6 A 1506 1446 10.30      
7 A 1497 1438 11.39      
8 A 1468 1410 0.98      
9 A 1420 1363 15.33      
10 A 1326 1273 14.24      
11 A 1314 1262 9.12      
12 A 1251 1202 11.50      
13 A 1169 1122 10.78      
14 A 1161 1115 0.02      
15 A 1047 1005 28.84      
16 A 1042 1001 18.39      
17 A 1025 985 3.57      
18 A 886 851 9.12      
19 A 723 694 5.31      
20 A 718 690 13.56      
21 A 689 662 5.72      
22 A 373 358 5.08      
23 A 230 221 5.00      
24 A 86 82 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16611.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 15951.7 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 B3LYP/6-31G*
ABC
0.32555 0.13065 0.09492

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.309 -1.202 -0.000
C2 1.412 -0.601 -0.000
N3 0.188 -1.120 0.000
N4 1.412 0.753 0.001
N5 0.150 1.113 -0.000
N6 -0.556 -0.016 -0.000
H7 -2.370 -0.552 -0.891
H8 -2.344 1.003 -0.003
H9 -2.370 -0.547 0.895
C10 -2.008 -0.034 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07972.12272.14983.16523.10034.80665.14854.80804.4722
C21.07971.32981.35312.12822.05273.88524.08373.88613.4667
N32.12271.32982.23762.23351.33082.76693.30392.76922.4499
N42.14981.35312.23761.31302.11334.09903.76464.09763.5099
N53.16522.12822.23351.31301.33203.14882.49633.14712.4441
N63.10032.05271.33082.11331.33202.09042.05812.09061.4524
H74.80663.88522.76694.09903.14882.09041.79101.78531.0924
H85.14854.08373.30393.76462.49632.05811.79101.79101.0897
H94.80803.88612.76924.09763.14712.09061.78531.79101.0924
C104.47223.46672.44993.50992.44411.45241.09241.08971.0924

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 123.189 H1 C2 N4 123.789
C2 N3 N6 100.977 C2 N4 N5 105.915
N3 C2 N4 113.022 N3 N6 N5 114.024
N3 N6 C10 123.285 N4 N5 N6 106.062
N5 N6 C10 122.691 N6 C10 H7 109.651
N6 C10 H8 107.251 N6 C10 H9 109.667
H7 C10 H8 110.323 H7 C10 H9 109.599
H8 C10 H9 110.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.178 0.030   0.044
2 C 0.207 0.499   0.492
3 N -0.280 -0.593   -0.603
4 N -0.288 -0.376   -0.386
5 N -0.062 -0.259   -0.261
6 N -0.043 0.664   0.690
7 H 0.196 0.153   0.174
8 H 0.204 0.117   0.142
9 H 0.196 0.153   0.174
10 C -0.309 -0.388   -0.467


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.456 -1.444 -0.000 2.849
CHELPG -2.386 -1.395 -0.001 2.764
AIM        
ESP -2.419 -1.432 -0.001 2.811


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 124.153
(<r2>)1/2 11.142