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All results from a given calculation for CH7N3 (triaminomethane)

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-204.571691
Energy at 298.15K-204.581736
HF Energy-204.121181
Nuclear repulsion energy135.194092
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/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 3444 3310 7.18      
2 A 3339 3209 16.72      
3 A 3076 2957 29.15      
4 A 1734 1666 41.28      
5 A 1392 1337 1.30      
6 A 950 913 15.19      
7 A 805 773 0.25      
8 A 533 512 35.48      
9 A 314 302 83.78      
10 E 3444 3310 1.56      
10 E 3444 3310 1.56      
11 E 3341 3211 2.59      
11 E 3341 3211 2.59      
12 E 1737 1670 13.41      
12 E 1737 1670 13.41      
13 E 1438 1382 15.82      
13 E 1438 1382 15.82      
14 E 1232 1184 38.97      
14 E 1232 1184 38.97      
15 E 1053 1012 42.99      
15 E 1053 1012 42.99      
16 E 843 811 286.99      
16 E 843 811 286.99      
17 E 421 405 50.18      
17 E 421 405 50.18      
18 E 285 274 28.93      
18 E 285 274 28.93      

Unscaled Zero Point Vibrational Energy (zpe) 21588.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 20748.5 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 QCISD/3-21G*
ABC
0.28019 0.28019 0.16111

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

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.378
H2 0.000 0.000 1.474
N3 0.000 1.424 -0.061
N4 1.233 -0.712 -0.061
N5 -1.233 -0.712 -0.061
H6 0.860 1.882 0.266
H7 1.200 -1.686 0.266
H8 -2.060 -0.196 0.266
H9 -0.027 1.473 -1.090
H10 1.289 -0.713 -1.090
H11 -1.262 -0.760 -1.090

Atom - Atom Distances (Å)
  C1 H2 N3 N4 N5 H6 H7 H8 H9 H10 H11
C11.09621.48961.48961.48962.07232.07232.07232.07982.07982.0798
H21.09622.09332.09332.09332.39632.39632.39632.95722.95722.9572
N31.48962.09332.46562.46561.02803.34882.64051.03072.69932.7241
N41.48962.09332.46562.46562.64051.02803.34882.72411.03072.6993
N51.48962.09332.46562.46563.34882.64051.02802.69932.72411.0307
H62.07232.39631.02802.64053.34883.58403.58401.67112.95893.6501
H72.07232.39633.34881.02802.64053.58403.58403.65011.67112.9589
H82.07232.39632.64053.34881.02803.58403.58402.95893.65011.6711
H92.07982.95721.03072.72412.69931.67113.65012.95892.55202.5520
H102.07982.95722.69931.03072.72412.95891.67113.65012.55202.5520
H112.07982.95722.72412.69931.03073.65012.95891.67112.55202.5520

picture of triaminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H6 109.428 C1 N3 H9 109.882
C1 N4 H7 109.428 C1 N4 H10 109.882
C1 N5 H8 109.428 C1 N5 H11 109.882
H2 C1 N3 107.127 H2 C1 N4 107.127
H2 C1 N5 107.127 N3 C1 N4 111.710
N3 C1 N5 111.710 N4 C1 N5 111.710
H6 N3 H9 108.522 H7 N4 H10 108.522
H8 N5 H11 108.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability