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 CH7N3 (triaminomethane)

using model chemistry: CISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3 1A
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-204.517495
Energy at 298.15K-204.527623
HF Energy-204.123981
Nuclear repulsion energy136.116035
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 CISD/3-21G
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 3575 3365 2.08      
2 A 3473 3269 8.17      
3 A 3163 2978 34.14      
4 A 1773 1669 44.57      
5 A 1416 1333 3.62      
6 A 946 891 23.49      
7 A 829 780 0.95      
8 A 548 516 30.58      
9 A 319 300 84.99      
10 E 3574 3364 0.05      
10 E 3574 3364 0.05      
11 E 3471 3267 0.65      
11 E 3471 3267 0.65      
12 E 1776 1672 17.60      
12 E 1776 1672 17.60      
13 E 1476 1390 18.31      
13 E 1476 1390 18.31      
14 E 1258 1184 48.18      
14 E 1258 1184 48.18      
15 E 1070 1007 42.76      
15 E 1070 1007 42.76      
16 E 853 803 318.29      
16 E 853 803 318.29      
17 E 434 409 53.41      
17 E 434 409 53.41      
18 E 287 270 30.10      
18 E 287 270 30.10      

Unscaled Zero Point Vibrational Energy (zpe) 22218.8 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 20914.5 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 CISD/3-21G
ABC
0.28393 0.28393 0.16322

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.376
H2 0.000 0.000 1.465
N3 0.000 1.412 -0.061
N4 1.223 -0.706 -0.061
N5 -1.223 -0.706 -0.061
H6 0.842 1.885 0.266
H7 1.211 -1.671 0.266
H8 -2.053 -0.214 0.266
H9 -0.055 1.480 -1.079
H10 1.309 -0.693 -1.079
H11 -1.254 -0.787 -1.079

Atom - Atom Distances (Å)
  C1 H2 N3 N4 N5 H6 H7 H8 H9 H10 H11
C11.08921.47821.47821.47822.06712.06712.06712.07592.07592.0759
H21.08922.07922.07922.07922.38732.38732.38732.94352.94352.9435
N31.47822.07922.44592.44591.01903.32892.63911.02142.67942.7290
N41.47822.07922.44592.44592.63911.01903.32892.72901.02142.6794
N51.47822.07922.44592.44593.32892.63911.01902.67942.72901.0214
H62.06712.38731.01902.63913.32893.57523.57521.66572.94433.6526
H72.06712.38733.32891.01902.63913.57523.57523.65261.66572.9443
H82.06712.38732.63913.32891.01903.57523.57522.94433.65261.6657
H92.07592.94351.02142.72902.67941.66573.65262.94432.56532.5653
H102.07592.94352.67941.02142.72902.94431.66573.65262.56532.5653
H112.07592.94352.72902.67941.02143.65262.94431.66572.56532.5653

picture of triaminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H6 110.387 C1 N3 H9 110.982
C1 N4 H7 110.386 C1 N4 H10 110.982
C1 N5 H8 110.386 C1 N5 H11 110.981
H2 C1 N3 107.193 H2 C1 N4 107.193
H2 C1 N5 107.193 N3 C1 N4 111.650
N3 C1 N5 111.650 N4 C1 N5 111.650
H6 N3 H9 109.441 H7 N4 H10 109.441
H8 N5 H11 109.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability