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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-296.297410
Energy at 298.15K-296.304675
HF Energy-295.650152
Nuclear repulsion energy220.000885
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 MP2/LANL2DZ
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 3668 3533 104.10      
2 A 3167 3050 4.90      
3 A 3039 2926 18.98      
4 A 1539 1482 12.21      
5 A 1526 1469 42.57      
6 A 1473 1418 6.47      
7 A 1362 1312 35.38      
8 A 1343 1293 15.83      
9 A 1065 1026 0.96      
10 A 1042 1004 1.78      
11 A 992 955 10.88      
12 A 986 949 1.45      
13 A 879 847 0.89      
14 A 864 832 25.24      
15 A 657 633 2.33      
16 A 323 311 3.86      
17 A 3133 3017 16.60      
18 A 1529 1473 15.41      
19 A 1110 1069 1.50      
20 A 763 735 139.14      
21 A 680 655 0.00      
22 A 654 630 0.23      
23 A 248 239 0.05      
24 A 85 82 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 16062.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 15469.9 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 MP2/LANL2DZ
ABC
0.30090 0.11404 0.08404

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.189 -0.049 0.000
C2 0.000 0.632 0.000
C3 0.173 2.134 0.000
H4 0.719 2.474 0.897
H5 0.719 2.474 -0.897
H6 -0.826 2.595 0.000
N7 1.025 -0.304 0.000
N8 0.513 -1.618 0.000
N9 -0.875 -1.452 0.000
H10 2.033 -0.177 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.37022.57343.28803.28802.66842.22902.31551.43843.2248
C21.37021.51282.17182.17182.13001.38782.30772.25992.1877
C32.57341.51281.10341.10341.10022.58313.76823.73662.9665
H43.28802.17181.10341.79381.79042.93564.19484.33133.0918
H53.28802.17181.10341.79381.79042.93564.19484.33133.0918
H62.66842.13001.10021.79041.79043.43964.42094.04743.9820
N72.22901.38782.58312.93562.93563.43961.41052.21951.0160
N82.31552.30773.76824.19484.19484.42091.41051.39732.0950
N91.43842.25993.73664.33134.33134.04742.21951.39733.1749
H103.22482.18772.96653.09183.09183.98201.01602.09503.1749

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 126.338 N1 C2 N7 107.838
N1 N9 N8 109.472 C2 N1 N9 107.124
C2 C3 H4 111.255 C2 C3 H5 111.255
C2 C3 H6 108.166 C2 N7 N8 111.106
C2 N7 H10 130.400 C3 C2 N7 125.824
H4 C3 H5 108.746 H4 C3 H6 108.675
H5 C3 H6 108.675 N7 N8 N9 104.460
N8 N7 H10 118.494
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability