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 CH3NH2 (methyl amine)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-95.864425
Energy at 298.15K 
HF Energy-95.864425
Nuclear repulsion energy42.121569
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 wB97X-D/cc-pVTZ
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' 3542 3387 0.17 104.30 0.10 0.18
2 A' 3084 2948 36.89 96.40 0.28 0.43
3 A' 2992 2861 84.26 149.58 0.12 0.21
4 A' 1671 1597 21.75 5.12 0.68 0.81
5 A' 1506 1440 6.65 10.86 0.67 0.80
6 A' 1466 1402 1.30 2.63 0.54 0.70
7 A' 1180 1128 6.93 1.66 0.45 0.62
8 A' 1088 1040 11.44 8.04 0.25 0.40
9 A' 846 809 155.41 2.04 0.58 0.73
10 A" 3623 3463 0.72 53.96 0.75 0.86
11 A" 3121 2984 30.84 65.33 0.75 0.86
12 A" 1524 1457 4.00 10.41 0.75 0.86
13 A" 1355 1295 0.10 1.27 0.75 0.86
14 A" 985 941 0.09 0.06 0.75 0.86
15 A" 300 286 34.59 0.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14141.3 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 13519.1 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 wB97X-D/cc-pVTZ
ABC
3.47667 0.76501 0.73528

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.702 0.000
N2 0.050 -0.756 0.000
H3 -0.943 1.168 0.000
H4 0.589 1.063 0.876
H5 0.589 1.063 -0.876
H6 -0.442 -1.107 -0.810
H7 -0.442 -1.107 0.810

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45771.09721.09011.09012.04202.0420
N21.45772.16522.08932.08931.01051.0105
H31.09722.16521.76791.76792.46642.4664
H41.09012.08931.76791.75292.93472.4029
H51.09012.08931.76791.75292.40292.9347
H62.04201.01052.46642.93472.40291.6194
H72.04201.01052.46642.40292.93471.6194

picture of methyl amine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 110.334 C1 N2 H7 110.334
N2 C1 H3 115.154 N2 C1 H4 109.324
N2 C1 H5 109.324 H3 C1 H4 107.851
H3 C1 H5 107.851 H4 C1 H5 107.027
H6 N2 H7 106.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.137      
2 N -0.321      
3 H 0.050      
4 H 0.078      
5 H 0.078      
6 H 0.126      
7 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.264 0.316 0.000 1.303
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.785 2.077 0.000
y 2.077 -14.116 0.000
z 0.000 0.000 -12.506
Traceless
 xyz
x -1.474 2.077 0.000
y 2.077 -0.470 0.000
z 0.000 0.000 1.944
Polar
3z2-r23.889
x2-y2-0.669
xy2.077
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.085 0.095 0.000
y 0.095 3.652 0.000
z 0.000 0.000 3.286


<r2> (average value of r2) Å2
<r2> 26.503
(<r2>)1/2 5.148