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All results from a given calculation for CH7N3 (triaminomethane)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-204.541453
Energy at 298.15K-204.551527
HF Energy-204.122385
Nuclear repulsion energy135.546707
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=FULL/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 3510 3328 3.16      
2 A 3396 3219 10.98      
3 A 3136 2973 31.38      
4 A 1744 1653 43.05      
5 A 1398 1325 2.02      
6 A 943 894 18.13      
7 A 809 767 0.03      
8 A 540 512 34.14      
9 A 320 303 82.43      
10 E 3510 3327 0.20      
10 E 3510 3327 0.20      
11 E 3401 3224 0.97      
11 E 3401 3224 0.97      
12 E 1747 1656 14.49      
12 E 1747 1656 14.49      
13 E 1452 1377 16.84      
13 E 1452 1377 16.84      
14 E 1240 1175 41.91      
14 E 1240 1175 41.91      
15 E 1056 1001 42.99      
15 E 1056 1001 42.99      
16 E 836 792 302.17      
16 E 836 792 302.17      
17 E 427 404 53.77      
17 E 427 404 53.77      
18 E 288 273 28.88      
18 E 288 273 28.88      

Unscaled Zero Point Vibrational Energy (zpe) 21854.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 20717.9 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=FULL/3-21G*
ABC
0.28160 0.28160 0.16185

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.377
H2 0.000 0.000 1.469
N3 0.000 1.420 -0.060
N4 1.229 -0.710 -0.060
N5 -1.229 -0.710 -0.060
H6 0.855 1.882 0.265
H7 1.203 -1.681 0.265
H8 -2.057 -0.201 0.265
H9 -0.041 1.475 -1.085
H10 1.297 -0.702 -1.085
H11 -1.257 -0.773 -1.085

Atom - Atom Distances (Å)
  C1 H2 N3 N4 N5 H6 H7 H8 H9 H10 H11
C11.09201.48531.48531.48532.07012.07012.07012.07692.07692.0769
H21.09202.08642.08642.08642.39212.39212.39212.94932.94932.9493
N31.48532.08642.45882.45881.02473.34172.63891.02712.69002.7268
N41.48532.08642.45882.45882.63891.02473.34172.72681.02712.6900
N51.48532.08642.45882.45883.34172.63891.02472.69002.72681.0271
H62.07012.39211.02472.63893.34173.58023.58021.67022.94913.6507
H72.07012.39213.34171.02472.63893.58023.58023.65071.67022.9491
H82.07012.39212.63893.34171.02473.58023.58022.94913.65071.6702
H92.07692.94931.02712.72682.69001.67023.65072.94912.55542.5554
H102.07692.94932.69001.02712.72682.94911.67023.65072.55542.5554
H112.07692.94932.72682.69001.02713.65072.94911.67022.55542.5554

picture of triaminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H6 109.756 C1 N3 H9 110.180
C1 N4 H7 109.756 C1 N4 H10 110.180
C1 N5 H8 109.756 C1 N5 H11 110.180
H2 C1 N3 107.112 H2 C1 N4 107.112
H2 C1 N5 107.112 N3 C1 N4 111.724
N3 C1 N5 111.724 N4 C1 N5 111.724
H6 N3 H9 108.981 H7 N4 H10 108.981
H8 N5 H11 108.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability