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All results from a given calculation for CH2N4 (1H-Tetrazole)

using model chemistry: QCISD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-257.661712
Energy at 298.15K-257.667241
HF Energy-256.787929
Nuclear repulsion energy164.782128
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 QCISD(T)/aug-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' 3653 3572        
2 A' 3290 3217        
3 A' 1482 1449        
4 A' 1452 1420        
5 A' 1254 1226        
6 A' 1240 1213        
7 A' 1127 1102        
8 A' 1043 1019        
9 A' 1022 999        
10 A' 986 965        
11 A' 932 912        
12 A" 831 813        
13 A" 710 695        
14 A" 672 657        
15 A" 535 523        

Unscaled Zero Point Vibrational Energy (zpe) 10114.6 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 9890.0 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 QCISD(T)/aug-cc-pVDZ
ABC
0.34342 0.33667 0.17001

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.078 0.239 0.000
N2 0.000 1.066 0.000
N3 -1.134 0.307 0.000
N4 -0.732 -0.937 0.000
N5 0.649 -1.020 0.000
H6 2.114 0.572 0.000
H7 -0.060 2.078 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.35822.21272.15841.33041.08832.1626
N21.35821.36412.13222.18472.17101.0142
N32.21271.36411.30742.22303.25862.0709
N42.15842.13221.30741.38383.22123.0889
N51.33042.18472.22301.38382.16343.1786
H61.08832.17103.25863.22122.16342.6451
H72.16261.01422.07093.08893.17862.6451

picture of 1H-Tetrazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 108.736 C1 N2 H7 130.887
C1 N5 N4 105.334 N2 C1 N5 108.692
N2 C1 H6 124.722 N2 N3 N4 105.883
N3 N2 H7 120.377 N3 N4 N5 111.355
N5 C1 H6 126.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability