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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-295.824357
Energy at 298.15K-295.831798
Nuclear repulsion energy225.042088
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 mPW1PW91/3-21G
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 3642 3477 100.71      
2 A 3198 3053 0.10      
3 A 3086 2946 5.23      
4 A 1563 1492 51.28      
5 A 1544 1473 10.13      
6 A 1474 1407 13.99      
7 A 1370 1308 24.95      
8 A 1330 1270 10.29      
9 A 1116 1066 1.63      
10 A 1085 1036 0.76      
11 A 1041 994 3.45      
12 A 1025 978 15.40      
13 A 924 882 7.07      
14 A 863 823 16.51      
15 A 683 652 1.77      
16 A 328 313 3.48      
17 A 3148 3005 4.30      
18 A 1557 1487 15.06      
19 A 1116 1065 9.27      
20 A 717 684 1.15      
21 A 698 667 98.28      
22 A 678 647 42.10      
23 A 278 265 0.02      
24 A 114 109 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 16287.8 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 15548.4 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 mPW1PW91/3-21G
ABC
0.31603 0.11941 0.08811

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.165 -0.033 0.000
C2 0.000 0.608 0.000
C3 0.172 2.082 0.000
H4 0.718 2.414 0.889
H5 0.718 2.414 -0.889
H6 -0.816 2.542 0.000
N7 1.012 -0.294 0.000
N8 0.471 -1.590 0.000
N9 -0.842 -1.418 0.000
H10 2.013 -0.164 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32932.50163.21283.21282.59782.19192.25861.42253.1807
C21.32931.48362.13742.13742.09861.35562.24792.19432.1563
C32.50161.48361.09481.09481.09022.51983.68353.64382.9039
H43.21282.13741.09481.77851.77722.86624.10914.23233.0199
H53.21282.13741.09481.77851.77722.86624.10914.23233.0199
H62.59782.09861.09021.77721.77723.37384.32733.95983.9149
N72.19191.35562.51982.86622.86623.37381.40352.16781.0102
N82.25862.24793.68354.10914.10914.32731.40351.32482.0998
N91.42252.19433.64384.23234.23233.95982.16781.32483.1186
H103.18072.15632.90393.01993.01993.91491.01022.09983.1186

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 125.494 N1 C2 N7 109.443
N1 N9 N8 110.547 C2 N1 N9 105.716
C2 C3 H4 111.089 C2 C3 H5 111.089
C2 C3 H6 108.280 C2 N7 N8 109.105
C2 N7 H10 130.861 C3 C2 N7 125.064
H4 C3 H5 108.628 H4 C3 H6 108.852
H5 C3 H6 108.852 N7 N8 N9 105.189
N8 N7 H10 120.033
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.378      
2 C 0.601      
3 C -0.678      
4 H 0.254      
5 H 0.254      
6 H 0.282      
7 N -0.597      
8 N -0.035      
9 N -0.086      
10 H 0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.315 4.219 0.000 6.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.019 -0.179 0.000
y -0.179 -36.589 0.000
z 0.000 0.000 -34.682
Traceless
 xyz
x 1.617 -0.179 0.000
y -0.179 -2.239 0.000
z 0.000 0.000 0.622
Polar
3z2-r21.245
x2-y22.570
xy-0.179
xz0.000
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


<r2> (average value of r2) Å2
<r2> 131.353
(<r2>)1/2 11.461