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: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3 1A
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-206.110277
Energy at 298.15K-206.120483
HF Energy-205.302547
Nuclear repulsion energy137.975161
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/6-31G(2df,p)
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 3608 3418 0.10      
2 A 3517 3332 1.57      
3 A 3100 2937 30.56      
4 A 1678 1589 47.68      
5 A 1391 1318 1.85      
6 A 974 923 11.14      
7 A 892 845 0.50      
8 A 563 533 19.07      
9 A 306 290 68.36      
10 E 3608 3418 0.69      
10 E 3608 3418 0.69      
11 E 3519 3334 0.20      
11 E 3519 3334 0.20      
12 E 1690 1601 24.40      
12 E 1690 1601 24.40      
13 E 1451 1375 25.90      
13 E 1451 1375 25.90      
14 E 1255 1189 55.28      
14 E 1255 1189 55.28      
15 E 1081 1024 34.37      
15 E 1081 1024 34.37      
16 E 950 900 211.14      
16 E 950 900 211.14      
17 E 448 424 35.09      
17 E 448 424 35.09      
18 E 284 269 19.31      
18 E 284 269 19.31      

Unscaled Zero Point Vibrational Energy (zpe) 22298.7 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 21125.8 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/6-31G(2df,p)
ABC
0.29274 0.29274 0.16843

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.371
H2 0.000 0.000 1.466
N3 0.000 1.394 -0.055
N4 1.207 -0.697 -0.055
N5 -1.207 -0.697 -0.055
H6 0.884 1.812 0.222
H7 1.128 -1.671 0.222
H8 -2.011 -0.141 0.222
H9 -0.014 1.424 -1.071
H10 1.240 -0.700 -1.071
H11 -1.227 -0.724 -1.071

Atom - Atom Distances (Å)
  C1 H2 N3 N4 N5 H6 H7 H8 H9 H10 H11
C11.09471.45781.45781.45782.02192.02192.02192.02712.02712.0271
H21.09472.06292.06292.06292.36932.36932.36932.90942.90942.9094
N31.45782.06292.41492.41491.01583.27812.54541.01692.63802.6505
N41.45782.06292.41492.41492.54541.01583.27812.65051.01692.6380
N51.45782.06292.41492.41493.27812.54541.01582.63802.65051.0169
H62.02192.36931.01582.54543.27813.49243.49241.62062.84823.5437
H72.02192.36933.27811.01582.54543.49243.49243.54371.62062.8482
H82.02192.36932.54543.27811.01583.49243.49242.84823.54371.6206
H92.02712.90941.01692.65052.63801.62063.54372.84822.46732.4673
H102.02712.90942.63801.01692.65052.84821.62063.54372.46732.4673
H112.02712.90942.65052.63801.01693.54372.84821.62062.46732.4673

picture of triaminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H6 108.323 C1 N3 H9 108.683
C1 N4 H7 108.323 C1 N4 H10 108.683
C1 N5 H8 108.323 C1 N5 H11 108.683
H2 C1 N3 106.981 H2 C1 N4 106.981
H2 C1 N5 106.981 N3 C1 N4 111.842
N3 C1 N5 111.842 N4 C1 N5 111.842
H6 N3 H9 105.736 H7 N4 H10 105.736
H8 N5 H11 105.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability