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 CH2N4 (1H-Tetrazole)

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-257.624241
Energy at 298.15K-257.629793
HF Energy-256.769770
Nuclear repulsion energy164.997980
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 MP4=FULL/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 3531        
2 A' 3310 3195        
3 A' 1480 1428        
4 A' 1456 1405        
5 A' 1240 1197        
6 A' 1228 1185        
7 A' 1133 1094        
8 A' 1051 1014        
9 A' 1040 1004        
10 A' 992 957        
11 A' 943 910        
12 A" 833 804        
13 A" 727 702        
14 A" 683 659        
15 A" 551 532        

Unscaled Zero Point Vibrational Energy (zpe) 10162.4 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 9807.7 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 MP4=FULL/cc-pVDZ
ABC
0.34471 0.33731 0.17048

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.076 0.236 0.000
N2 0.000 1.065 0.000
N3 -1.131 0.311 0.000
N4 -0.730 -0.936 0.000
N5 0.645 -1.022 0.000
H6 2.112 0.571 0.000
H7 -0.057 2.079 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.35762.20782.15231.32981.08942.1631
N21.35761.35892.12922.18402.16941.0162
N32.20781.35891.31002.22063.25372.0688
N42.15232.12921.31001.37733.21663.0892
N51.32982.18402.22061.37732.16553.1796
H61.08942.16943.25373.21662.16552.6422
H72.16311.01622.06883.08923.17962.6422

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 108.728 C1 N2 H7 130.802
C1 N5 N4 105.304 N2 C1 N5 108.710
N2 C1 H6 124.523 N2 N3 N4 105.832
N3 N2 H7 120.470 N3 N4 N5 111.426
N5 C1 H6 126.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability