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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-297.506927
Energy at 298.15K-297.514567
Nuclear repulsion energy232.861731
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 mPW1PW91/6-31G**
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 3329 3167 0.21      
2 A 3227 3070 0.31      
3 A 3194 3039 4.55      
4 A 3107 2956 16.59      
5 A 1543 1468 5.40      
6 A 1510 1436 14.11      
7 A 1493 1421 11.82      
8 A 1464 1393 7.36      
9 A 1455 1384 4.57      
10 A 1353 1288 20.96      
11 A 1348 1283 8.21      
12 A 1296 1233 12.10      
13 A 1186 1129 10.58      
14 A 1156 1100 0.13      
15 A 1076 1024 29.82      
16 A 1061 1009 9.60      
17 A 1040 989 4.86      
18 A 903 859 10.81      
19 A 737 701 13.63      
20 A 734 698 4.84      
21 A 704 670 6.73      
22 A 378 359 5.38      
23 A 238 227 5.47      
24 A 90 86 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16810.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 15995.0 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 mPW1PW91/6-31G**
ABC
0.32957 0.13227 0.09611

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.302 -1.195 -0.000
C2 1.406 -0.596 0.000
N3 0.186 -1.113 0.000
N4 1.402 0.751 -0.000
N5 0.146 1.104 0.000
N6 -0.551 -0.017 -0.000
H7 -2.356 -0.551 -0.889
H8 -2.330 1.001 -0.003
H9 -2.356 -0.545 0.892
C10 -1.995 -0.034 -0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07782.11772.14403.15183.08664.78545.12564.78694.4508
C21.07781.32501.34712.11612.04083.86574.06243.86663.4468
N32.11771.32502.22572.21741.32042.75083.28542.75302.4329
N42.14401.34712.22571.30482.09904.07543.74024.07443.4866
N53.15182.11612.21741.30481.32043.12902.47793.12682.4247
N63.08662.04081.32042.09901.32042.08142.04912.08161.4438
H74.78543.86572.75084.07543.12902.08141.78681.78131.0899
H85.12564.06243.28543.74022.47792.04911.78681.78671.0875
H94.78693.86662.75304.07443.12682.08161.78131.78671.0899
C104.45083.44682.43293.48662.42471.44381.08991.08751.0899

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 123.276 H1 C2 N4 123.923
C2 N3 N6 100.965 C2 N4 N5 105.857
N3 C2 N4 112.801 N3 N6 N5 114.205
N3 N6 C10 123.253 N4 N5 N6 106.171
N5 N6 C10 122.541 N6 C10 H7 109.679
N6 C10 H8 107.262 N6 C10 H9 109.691
H7 C10 H8 110.291 H7 C10 H9 109.602
H8 C10 H9 110.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.169      
2 C 0.247      
3 N -0.290      
4 N -0.310      
5 N -0.048      
6 N -0.083      
7 H 0.182      
8 H 0.187      
9 H 0.182      
10 C -0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.491 -1.465 -0.000 2.890
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.891 -4.078 0.001
y -4.078 -39.309 0.000
z 0.001 0.000 -33.936
Traceless
 xyz
x 8.731 -4.078 0.001
y -4.078 -8.395 0.000
z 0.001 0.000 -0.336
Polar
3z2-r2-0.672
x2-y211.418
xy-4.078
xz0.001
yz0.000


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


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