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All results from a given calculation for C2H4N4 (1H-Tetrazole, 5-methyl-)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-295.828485
Energy at 298.15K-295.836206
Nuclear repulsion energy232.117228
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 HF/cc-pVDZ
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 3898 3540 130.29      
2 A 3319 3014 2.63      
3 A 3200 2906 15.50      
4 A 1784 1620 61.71      
5 A 1624 1474 14.86      
6 A 1616 1467 12.97      
7 A 1553 1411 27.28      
8 A 1526 1386 4.41      
9 A 1445 1312 15.38      
10 A 1242 1127 18.68      
11 A 1206 1095 1.45      
12 A 1181 1073 28.99      
13 A 1126 1022 2.32      
14 A 1074 975 2.45      
15 A 734 666 5.02      
16 A 363 330 4.45      
17 A 3271 2970 12.61      
18 A 1582 1437 9.38      
19 A 1161 1054 2.27      
20 A 815 740 5.03      
21 A 773 702 7.43      
22 A 603 547 94.41      
23 A 302 274 0.00      
24 A 93 84 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 17745.1 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 16112.6 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 HF/cc-pVDZ
ABC
0.34001 0.12452 0.09272

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.125 -0.055 0.000
C2 0.000 0.584 0.000
C3 0.189 2.062 0.000
H4 0.741 2.382 0.885
H5 0.741 2.382 -0.885
H6 -0.787 2.537 0.000
N7 0.976 -0.329 0.000
N8 0.421 -1.536 0.000
N9 -0.815 -1.360 0.000
H10 1.968 -0.223 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.29412.49173.19453.19452.61432.11902.14071.34143.0975
C21.29411.48942.13642.13642.10581.33682.16152.10842.1270
C32.49171.48941.09081.09081.08662.51673.60473.56612.8951
H43.19452.13641.09081.77021.77262.86174.02944.14833.0127
H53.19452.13641.09081.77021.77262.86174.02944.14833.0127
H62.61432.10581.08661.77261.77263.36544.24853.89763.9000
N72.11901.33682.51672.86172.86173.36541.32832.06680.9973
N82.14072.16153.60474.02944.02944.24851.32831.24852.0288
N91.34142.10843.56614.14834.14833.89762.06681.24853.0063
H103.09752.12702.89513.01273.01273.90000.99732.02883.0063

picture of 1H-Tetrazole, 5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 126.923 N1 C2 N7 107.293
N1 N9 N8 111.447 C2 N1 N9 106.249
C2 C3 H4 110.845 C2 C3 H5 110.845
C2 C3 H6 108.655 C2 N7 N8 108.391
C2 N7 H10 130.799 C3 C2 N7 125.784
H4 C3 H5 108.463 H4 C3 H6 108.998
H5 C3 H6 108.998 N7 N8 N9 106.620
N8 N7 H10 120.810
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.285 -0.456    
2 C 0.220 0.575    
3 C 0.025 -0.436    
4 H 0.065 0.116    
5 H 0.065 0.116    
6 H 0.081 0.147    
7 N -0.176 0.032    
8 N -0.054 -0.267    
9 N -0.080 -0.038    
10 H 0.140 0.212    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.301 4.046 0.000 5.905
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.155 -0.386 0.000
y -0.386 -36.703 0.000
z 0.000 0.000 -34.445
Traceless
 xyz
x 1.419 -0.386 0.000
y -0.386 -2.403 0.000
z 0.000 0.000 0.984
Polar
3z2-r21.967
x2-y22.548
xy-0.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.347 0.239 0.000
y 0.239 7.328 0.000
z 0.000 0.000 3.740


<r2> (average value of r2) Å2
<r2> 126.342
(<r2>)1/2 11.240