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/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-95.840835
Energy at 298.15K 
HF Energy-95.840835
Nuclear repulsion energy41.947792
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/aug-cc-pVDZ
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' 3545 3394 0.71 115.51 0.08 0.14
2 A' 3094 2962 34.03 96.20 0.32 0.48
3 A' 2999 2871 84.89 159.04 0.08 0.16
4 A' 1653 1582 21.86 2.58 0.73 0.84
5 A' 1481 1418 6.92 4.65 0.69 0.82
6 A' 1444 1382 1.68 0.61 0.49 0.66
7 A' 1166 1116 5.78 0.30 0.13 0.23
8 A' 1095 1048 13.89 8.99 0.14 0.24
9 A' 829 794 141.67 0.96 0.35 0.52
10 A" 3630 3475 2.17 46.22 0.75 0.86
11 A" 3135 3001 29.62 55.66 0.75 0.86
12 A" 1499 1435 5.11 5.57 0.75 0.86
13 A" 1340 1283 0.16 0.41 0.75 0.86
14 A" 978 936 0.06 0.10 0.75 0.86
15 A" 307 294 33.08 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14097.3 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 13495.3 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 wB97X-D/aug-cc-pVDZ
ABC
3.43386 0.76062 0.73073

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.704 0.000
N2 0.050 -0.756 0.000
H3 -0.951 1.171 0.000
H4 0.593 1.065 0.884
H5 0.593 1.065 -0.884
H6 -0.440 -1.115 -0.814
H7 -0.440 -1.115 0.814

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46071.10471.09791.09792.05242.0524
N21.46072.17202.09562.09561.01531.0153
H31.10472.17201.78241.78242.47992.4799
H41.09792.09561.78241.76722.94942.4132
H51.09792.09561.78241.76722.41322.9494
H62.05241.01532.47992.94942.41321.6272
H72.05241.01532.47992.41322.94941.6272

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 110.691 C1 N2 H7 110.691
N2 C1 H3 114.994 N2 C1 H4 109.156
N2 C1 H5 109.156 H3 C1 H4 108.040
H3 C1 H5 108.040 H4 C1 H5 107.176
H6 N2 H7 106.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.824      
2 N -0.170      
3 H -0.166      
4 H -0.199      
5 H -0.199      
6 H -0.045      
7 H -0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.286 0.380 0.000 1.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.141 2.178 0.000
y 2.178 -14.427 0.000
z 0.000 0.000 -12.660
Traceless
 xyz
x -1.598 2.178 0.000
y 2.178 -0.527 0.000
z 0.000 0.000 2.124
Polar
3z2-r24.248
x2-y2-0.714
xy2.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.692 -0.019 0.000
y -0.019 4.185 0.000
z 0.000 0.000 3.593


<r2> (average value of r2) Å2
<r2> 26.811
(<r2>)1/2 5.178