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

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-297.034021
Energy at 298.15K-297.041411
HF Energy-295.897896
Nuclear repulsion energy230.625382
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/Def2TZVPP
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' 3322 3161 2.01      
2 A' 3219 3063 1.47      
3 A' 3113 2962 13.38      
4 A' 1554 1478 21.92      
5 A' 1523 1449 20.85      
6 A' 1464 1393 5.34      
7 A' 1423 1354 0.20      
8 A' 1330 1266 5.44      
9 A' 1218 1159 8.47      
10 A' 1160 1103 12.12      
11 A' 1118 1064 24.56      
12 A' 1088 1035 2.69      
13 A' 1078 1026 0.56      
14 A' 982 934 4.79      
15 A' 694 660 9.89      
16 A' 347 330 1.54      
17 A" 3213 3057 1.47      
18 A" 1499 1426 10.11      
19 A" 1163 1107 0.00      
20 A" 829 789 18.72      
21 A" 730 695 0.80      
22 A" 672 639 5.67      
23 A" 233 222 0.05      
24 A" 21 20 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 16495.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 15695.7 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/Def2TZVPP
ABC
0.32934 0.12691 0.09322

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.082 -0.228 0.000
N2 0.000 0.572 0.000
N3 1.087 -0.213 0.000
N4 0.667 -1.437 0.000
N5 -0.688 -1.486 0.000
H6 -2.097 0.126 0.000
C7 0.117 2.014 0.000
H8 -0.882 2.440 0.000
H9 0.653 2.334 0.888
H10 0.653 2.334 -0.888

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.34562.16912.12611.31821.07462.54292.67543.21883.2188
N21.34561.34112.11682.16982.14341.44732.06542.07812.0781
N32.16911.34111.29382.18403.20162.42993.30372.73222.7322
N42.12612.11681.29381.35563.17493.49514.17473.87403.8740
N51.31822.16982.18401.35562.14083.59183.93054.14444.1444
H61.07462.14343.20163.17492.14082.90962.61333.63603.6360
C72.54291.44732.42993.49513.59182.90961.08531.08511.0851
H82.67542.06543.30374.17473.93052.61331.08531.77591.7759
H93.21882.07812.73223.87404.14443.63601.08511.77591.7760
H103.21882.07812.73223.87404.14443.63601.08511.77591.7760

picture of 1H-Tetrazole, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 107.675 C1 N2 C7 131.112
C1 N5 N4 105.330 N2 C1 N5 109.083
N2 C1 H6 124.279 N2 N3 N4 106.896
N2 C7 H8 108.438 N2 C7 H9 109.459
N2 C7 H10 109.459 N3 N2 C7 121.213
N3 N4 N5 111.016 N5 C1 H6 126.639
H8 C7 H9 109.813 H8 C7 H10 109.813
H9 C7 H10 109.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability