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All results from a given calculation for C2H4N4 (1H-Tetrazole, 1-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 CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-297.479703
Energy at 298.15K-297.487162
Nuclear repulsion energy231.973560
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 3298 3159 0.51      
2 A 3195 3060 0.15      
3 A 3158 3025 6.92      
4 A 3077 2947 21.18      
5 A 1552 1486 31.13      
6 A 1512 1448 12.00      
7 A 1483 1420 9.96      
8 A 1467 1405 0.40      
9 A 1438 1377 3.01      
10 A 1360 1302 5.05      
11 A 1290 1236 4.41      
12 A 1208 1157 16.95      
13 A 1148 1100 0.00      
14 A 1136 1088 30.17      
15 A 1090 1043 2.88      
16 A 1046 1002 12.48      
17 A 1000 958 10.30      
18 A 868 831 9.65      
19 A 743 712 1.51      
20 A 706 676 8.19      
21 A 675 646 6.36      
22 A 352 337 2.31      
23 A 231 221 0.00      
24 A 39 37 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 16534.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15835.3 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
0.33244 0.12828 0.09422

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)
C1 -0.283 1.066 0.000
N2 0.567 0.032 0.001
N3 -0.160 -1.093 0.000
N4 -1.394 -0.734 -0.000
N5 -1.511 0.609 -0.000
H6 0.018 2.099 0.000
C7 2.009 -0.012 -0.000
H8 2.407 0.470 0.893
H9 2.298 -1.061 -0.006
H10 2.406 0.479 -0.889

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.33842.16252.11521.31051.07672.53232.89583.34382.8918
N21.33841.33982.10522.15692.13931.44222.09102.04662.0910
N32.16251.33981.28462.17313.19782.42343.13542.45813.1384
N42.11522.10521.28461.34833.16603.47814.08553.70574.0864
N51.31052.15692.17311.34832.13553.57424.02094.15874.0185
H61.07672.13933.19783.16602.13552.90203.02613.89673.0193
C72.53231.44222.42343.47813.57422.90201.09051.08781.0905
H82.89582.09103.13544.08554.02093.02611.09051.77881.7820
H93.34382.04662.45813.70574.15873.89671.08781.77881.7789
H102.89182.09103.13844.08644.01853.01931.09051.78201.7789

picture of 1H-Tetrazole, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 107.693 C1 N2 C7 131.176
C1 N5 N4 105.401 N2 C1 N5 109.025
N2 C1 H6 124.347 N2 N3 N4 106.652
N2 C7 H8 110.536 N2 C7 H9 107.156
N2 C7 H10 110.535 N3 N2 C7 121.131
N3 N4 N5 111.228 N5 C1 H6 126.627
H8 C7 H9 109.496 H8 C7 H10 109.580
H9 C7 H10 109.498
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 C 0.087      
2 N -0.009      
3 N -0.111      
4 N -0.090      
5 N -0.232      
6 H 0.172      
7 C -0.340      
8 H 0.167      
9 H 0.190      
10 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.182 2.369 -0.000 5.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.329 0.269 -0.004
y 0.269 -34.352 0.002
z -0.004 0.002 -33.713
Traceless
 xyz
x -1.297 0.269 -0.004
y 0.269 0.170 0.002
z -0.004 0.002 1.128
Polar
3z2-r22.255
x2-y2-0.978
xy0.269
xz-0.004
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.190 0.136 0.001
y 0.136 6.924 0.000
z 0.001 0.000 4.124


<r2> (average value of r2) Å2
<r2> 124.217
(<r2>)1/2 11.145