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All results from a given calculation for CH3NH2 (methyl amine)

using model chemistry: LSDA/aug-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 LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-95.390531
Energy at 298.15K-95.396092
HF Energy-95.390531
Nuclear repulsion energy42.108374
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 LSDA/aug-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' 3442 3409 0.68      
2 A' 2996 2968 21.48      
3 A' 2895 2868 89.40      
4 A' 1585 1570 22.95      
5 A' 1423 1409 8.10      
6 A' 1385 1372 1.06      
7 A' 1125 1114 7.74      
8 A' 1086 1076 10.84      
9 A' 762 755 158.54      
10 A" 3524 3491 7.00      
11 A" 3038 3010 15.69      
12 A" 1443 1430 6.63      
13 A" 1284 1272 0.39      
14 A" 936 927 0.59      
15 A" 293 290 32.17      

Unscaled Zero Point Vibrational Energy (zpe) 13608.3 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 13480.4 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 LSDA/aug-cc-pVTZ
ABC
3.44558 0.77207 0.73983

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.047 0.695 0.000
N2 0.047 -0.747 0.000
H3 -0.949 1.178 0.000
H4 0.593 1.063 0.881
H5 0.593 1.063 -0.881
H6 -0.426 -1.124 -0.821
H7 -0.426 -1.124 0.821

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.44231.10761.09951.09952.05132.0513
N21.44232.16802.08592.08591.02001.0200
H31.10762.16801.78011.78012.49972.4997
H41.09952.08591.78011.76112.95282.4138
H51.09952.08591.78011.76112.41382.9528
H62.05131.02002.49972.95282.41381.6423
H72.05131.02002.49972.41382.95281.6423

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 111.686 C1 N2 H7 111.686
N2 C1 H3 115.854 N2 C1 H4 109.559
N2 C1 H5 109.559 H3 C1 H4 107.509
H3 C1 H5 107.509 H4 C1 H5 106.423
H6 N2 H7 107.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.490      
2 N -0.362      
3 H 0.207      
4 H 0.239      
5 H 0.239      
6 H 0.084      
7 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.203 0.255 0.000 1.230
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.440 2.136 0.000
y 2.136 -14.536 0.000
z 0.000 0.000 -12.818
Traceless
 xyz
x -1.763 2.136 0.000
y 2.136 -0.407 0.000
z 0.000 0.000 2.170
Polar
3z2-r24.340
x2-y2-0.904
xy2.136
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.961 -0.051 0.000
y -0.051 4.532 0.000
z 0.000 0.000 3.793


<r2> (average value of r2) Å2
<r2> 26.790
(<r2>)1/2 5.176