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All results from a given calculation for CH3CH2NH2 (Ethylamine)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
1 2 no C1 gauche 1A

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-135.153422
Energy at 298.15K-135.161392
Nuclear repulsion energy81.915058
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 B3LYP/LANL2DZ
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' 3536 3398 0.79      
2 A' 3116 2995 73.38      
3 A' 3056 2937 42.74      
4 A' 3024 2907 32.74      
5 A' 1686 1621 33.88      
6 A' 1524 1465 8.97      
7 A' 1508 1450 0.68      
8 A' 1428 1372 11.72      
9 A' 1389 1335 8.91      
10 A' 1153 1108 25.80      
11 A' 1068 1027 23.00      
12 A' 891 856 4.75      
13 A' 623 599 306.24      
14 A' 392 377 19.82      
15 A" 3659 3517 0.26      
16 A" 3129 3007 98.82      
17 A" 3097 2977 1.49      
18 A" 1514 1455 10.76      
19 A" 1370 1317 0.40      
20 A" 1267 1218 0.57      
21 A" 994 955 0.41      
22 A" 785 754 5.41      
23 A" 262 251 23.55      
24 A" 241 232 38.61      

Unscaled Zero Point Vibrational Energy (zpe) 20355.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 19565.3 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 B3LYP/LANL2DZ
ABC
1.05570 0.28341 0.25432

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.306 -0.107 0.000
C2 0.000 0.577 0.000
C3 1.238 -0.354 0.000
H4 2.173 0.226 0.000
H5 1.239 -1.001 0.889
H6 1.239 -1.001 -0.889
H7 0.036 1.235 -0.879
H8 0.036 1.235 0.879
H9 -1.506 -0.640 0.843
H10 -1.506 -0.640 -0.843

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 H7 H8 H9 H10
N11.47472.55653.49462.84012.84012.09202.09201.01721.0172
C21.47471.54982.20092.19452.19451.09821.09822.11212.1121
C32.55651.54981.09951.09901.09902.17792.17792.88532.8853
H43.49462.20091.09951.77901.77902.52082.52083.87203.8720
H52.84012.19451.09901.77901.77773.09342.53862.76923.2660
H62.84012.19451.09901.77901.77772.53863.09343.26602.7692
H72.09201.09822.17792.52083.09342.53861.75782.97652.4280
H82.09201.09822.17792.52082.53863.09341.75782.42802.9765
H91.01722.11212.88533.87202.76923.26602.97652.42801.6865
H101.01722.11212.88533.87203.26602.76922.42802.97651.6865

picture of Ethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.377 N1 C2 H7 107.898
N1 C2 H8 107.898 C2 N1 H9 114.659
C2 N1 H10 114.659 C2 C3 H4 111.209
C2 C3 H5 110.738 C2 C3 H6 110.738
C3 C2 H7 109.481 C3 C2 H8 109.481
H4 C3 H5 108.037 H4 C3 H6 108.037
H5 C3 H6 107.958 H7 C2 H8 106.314
H9 N1 H10 111.992
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.570      
2 C -0.310      
3 C -0.602      
4 H 0.192      
5 H 0.191      
6 H 0.191      
7 H 0.194      
8 H 0.194      
9 H 0.260      
10 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.883 -1.071 0.000 1.388
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.793 -0.066 -0.152
y -0.066 4.234 -0.170
z -0.152 -0.170 3.732


<r2> (average value of r2) Å2
<r2> 59.712
(<r2>)1/2 7.727

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-135.153129
Energy at 298.15K 
Nuclear repulsion energy 
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 B3LYP/LANL2DZ
Rotational Constants (cm-1) from geometry optimized at B3LYP/LANL2DZ
ABC
1.05570 0.28341 0.25432

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability