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

using model chemistry: B1B95/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-297.560850
Energy at 298.15K-297.568516
Nuclear repulsion energy233.955153
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/cc-pVTZ
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 3301 3159 0.37      
2 A 3203 3066 0.40      
3 A 3169 3033 5.05      
4 A 3092 2959 16.39      
5 A 1534 1468 5.76      
6 A 1499 1435 14.27      
7 A 1482 1418 10.91      
8 A 1455 1392 6.15      
9 A 1444 1382 4.88      
10 A 1346 1288 17.43      
11 A 1335 1278 8.71      
12 A 1277 1222 13.46      
13 A 1179 1128 9.36      
14 A 1151 1102 0.05      
15 A 1071 1025 29.12      
16 A 1052 1007 9.12      
17 A 1035 991 5.40      
18 A 911 872 11.42      
19 A 737 706 3.53      
20 A 731 700 13.31      
21 A 709 679 9.10      
22 A 372 356 4.92      
23 A 241 231 4.21      
24 A 94 90 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 16709.2 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 15992.4 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/cc-pVTZ
ABC
0.33377 0.13319 0.09693

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.296 -1.187 -0.000
C2 1.403 -0.591 -0.000
N3 0.189 -1.105 0.000
N4 1.394 0.749 0.001
N5 0.143 1.096 -0.000
N6 -0.549 -0.019 -0.000
H7 -2.349 -0.550 -0.885
H8 -2.322 0.995 -0.003
H9 -2.349 -0.545 0.888
C10 -1.989 -0.035 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07362.10902.13583.13813.07534.77125.10774.77254.4370
C21.07361.31861.34042.10572.03383.85494.04873.85583.4370
N32.10901.31862.21192.20151.31312.74413.27342.74622.4261
N42.13581.34042.21191.29862.08924.06013.72464.05883.4729
N53.13812.10572.20151.29861.31163.11462.46713.11302.4133
N63.07532.03381.31312.08921.31162.07512.04272.07531.4403
H74.77123.85492.74414.06013.11462.07511.77941.77301.0853
H85.10774.04873.27343.72462.46712.04271.77941.77941.0829
H94.77253.85582.74624.05883.11302.07531.77301.77941.0854
C104.43703.43702.42613.47292.41331.44031.08531.08291.0854

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 123.354 H1 C2 N4 124.069
C2 N3 N6 101.216 C2 N4 N5 105.850
N3 C2 N4 112.577 N3 N6 N5 114.019
N3 N6 C10 123.496 N4 N5 N6 106.338
N5 N6 C10 122.485 N6 C10 H7 109.698
N6 C10 H8 107.263 N6 C10 H9 109.713
H7 C10 H8 110.306 H7 C10 H9 109.531
H8 C10 H9 110.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.140      
2 C -0.058      
3 N -0.186      
4 N -0.157      
5 N -0.089      
6 N 0.160      
7 H 0.133      
8 H 0.137      
9 H 0.133      
10 C -0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.474 -1.423 -0.001 2.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.298 -3.983 -0.002
y -3.983 -39.596 0.000
z -0.002 0.000 -33.997
Traceless
 xyz
x 8.499 -3.983 -0.002
y -3.983 -8.449 0.000
z -0.002 0.000 -0.050
Polar
3z2-r2-0.100
x2-y211.298
xy-3.983
xz-0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.177 -0.141 -0.000
y -0.141 6.998 0.000
z -0.000 0.000 4.577


<r2> (average value of r2) Å2
<r2> 122.125
(<r2>)1/2 11.051