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

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-297.455544
Energy at 298.15K-297.462968
HF Energy-297.081051
Nuclear repulsion energy229.118401
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 B2PLYP/cc-pVTZ
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' 3665 3516 81.22      
2 A' 3172 3043 1.23      
3 A' 3067 2943 10.95      
4 A' 1586 1522 45.41      
5 A' 1512 1450 1.09      
6 A' 1431 1373 0.64      
7 A' 1418 1360 26.63      
8 A' 1350 1295 2.89      
9 A' 1250 1199 17.00      
10 A' 1103 1058 1.86      
11 A' 1075 1031 15.11      
12 A' 1050 1008 18.41      
13 A' 1005 964 0.68      
14 A' 994 954 3.66      
15 A' 688 660 2.88      
16 A' 338 324 4.05      
17 A" 3127 3000 7.22      
18 A" 1501 1440 8.31      
19 A" 1080 1036 1.20      
20 A" 740 710 5.14      
21 A" 708 680 13.92      
22 A" 581 557 65.93      
23 A" 272 261 0.03      
24 A" 76 73 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 16393.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 15728.1 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 B2PLYP/cc-pVTZ
ABC
0.32884 0.12245 0.09073

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.144 -0.056 0.000
C2 0.000 0.597 0.000
C3 0.177 2.070 0.000
H4 0.722 2.402 0.882
H5 0.722 2.402 -0.882
H6 -0.803 2.536 0.000
N7 0.991 -0.315 0.000
N8 0.452 -1.554 0.000
N9 -0.827 -1.381 0.000
H10 1.990 -0.199 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31742.50333.20993.20992.61482.15062.18831.36213.1367
C21.31741.48352.13472.13472.09851.34712.19812.14402.1430
C32.50331.48351.08901.08901.08512.52033.63453.59412.9040
H43.20992.13471.08901.76471.76722.86934.06214.18183.0246
H53.20992.13471.08901.76471.76722.86934.06214.18183.0246
H62.61482.09851.08511.76721.76723.36874.27823.91723.9087
N72.15061.34712.52032.86932.86933.36871.35122.10721.0053
N82.18832.19813.63454.06214.06214.27821.35121.29002.0498
N91.36212.14403.59414.18184.18183.91722.10721.29003.0543
H103.13672.14302.90403.02463.02463.90871.00532.04983.0543

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 126.600 N1 C2 N7 107.626
N1 N9 N8 111.174 C2 N1 N9 106.276
C2 C3 H4 111.238 C2 C3 H5 111.238
C2 C3 H6 108.575 C2 N7 N8 109.103
C2 N7 H10 130.727 C3 C2 N7 125.774
H4 C3 H5 108.243 H4 C3 H6 108.743
H5 C3 H6 108.743 N7 N8 N9 105.821
N8 N7 H10 120.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.167      
2 C 0.119      
3 C -0.291      
4 H 0.115      
5 H 0.115      
6 H 0.137      
7 N -0.056      
8 N -0.090      
9 N -0.076      
10 H 0.195      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.345 0.246 0.000
y 0.246 8.814 0.000
z 0.000 0.000 4.572


<r2> (average value of r2) Å2
<r2> 128.507
(<r2>)1/2 11.336