return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-297.494448
Energy at 298.15K-297.501920
Nuclear repulsion energy229.741683
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-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 3659 3517 82.85      
2 A 3189 3065 0.47      
3 A 3069 2950 11.16      
4 A 1622 1559 44.69      
5 A 1495 1437 3.43      
6 A 1418 1363 23.85      
7 A 1408 1354 6.91      
8 A 1373 1320 2.00      
9 A 1295 1244 17.83      
10 A 1150 1105 6.51      
11 A 1100 1057 1.61      
12 A 1083 1041 29.57      
13 A 1030 990 2.12      
14 A 981 943 0.25      
15 A 697 670 3.20      
16 A 333 321 4.10      
17 A 3145 3023 5.46      
18 A 1452 1396 9.79      
19 A 1050 1009 2.38      
20 A 746 717 6.12      
21 A 710 683 17.08      
22 A 599 575 59.37      
23 A 272 262 0.02      
24 A 91 88 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 16483.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15844.2 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-pVDZ
ABC
0.33011 0.12318 0.09125

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.140 -0.063 0.000
C2 0.000 0.596 0.000
C3 0.170 2.067 0.000
H4 0.717 2.409 0.889
H5 0.717 2.409 -0.889
H6 -0.821 2.531 0.000
N7 0.989 -0.318 0.000
N8 0.452 -1.548 0.000
N9 -0.820 -1.375 0.000
H10 1.993 -0.199 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31642.50053.21723.21722.61312.14392.17671.35023.1361
C21.31641.48102.14342.14342.10201.34662.19042.13412.1459
C32.50051.48101.09871.09871.09462.52183.62543.58112.9081
H43.21722.14341.09871.77891.78102.88184.06424.17983.0368
H53.21722.14341.09871.77891.78102.88184.06424.17983.0368
H62.61312.10201.09461.78101.78103.37534.27233.90533.9207
N72.14391.34662.52182.88182.88183.37531.34132.09451.0116
N82.17672.19043.62544.06424.06424.27231.34131.28362.0480
N91.35022.13413.58114.17984.17983.90532.09451.28363.0490
H103.13612.14592.90813.03683.03683.92071.01162.04803.0490

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 126.628 N1 C2 N7 107.229
N1 N9 N8 111.451 C2 N1 N9 106.313
C2 C3 H4 111.517 C2 C3 H5 111.517
C2 C3 H6 108.459 C2 N7 N8 109.161
C2 N7 H10 130.466 C3 C2 N7 126.143
H4 C3 H5 108.104 H4 C3 H6 108.582
H5 C3 H6 108.582 N7 N8 N9 105.846
N8 N7 H10 120.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.208      
2 C 0.121      
3 C 0.016      
4 H 0.064      
5 H 0.064      
6 H 0.073      
7 N -0.085      
8 N -0.068      
9 N -0.096      
10 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.076 3.876 0.000 5.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.313 -0.370 0.000
y -0.370 -36.186 0.000
z 0.000 0.000 -33.882
Traceless
 xyz
x 1.721 -0.370 0.000
y -0.370 -2.588 0.000
z 0.000 0.000 0.867
Polar
3z2-r21.734
x2-y22.873
xy-0.370
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.659 0.259 0.000
y 0.259 8.144 0.000
z 0.000 0.000 3.837


<r2> (average value of r2) Å2
<r2> 127.572
(<r2>)1/2 11.295