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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-95.862539
Energy at 298.15K 
HF Energy-95.862539
Nuclear repulsion energy42.089435
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 B3PW91/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' 3515 3380 0.35      
2 A' 3064 2946 35.93      
3 A' 2969 2855 91.36      
4 A' 1660 1596 20.15      
5 A' 1491 1434 6.70      
6 A' 1451 1395 1.43      
7 A' 1170 1125 6.39      
8 A' 1074 1033 10.72      
9 A' 839 807 154.60      
10 A" 3594 3456 0.55      
11 A" 3101 2982 30.16      
12 A" 1512 1454 3.82      
13 A" 1346 1294 0.11      
14 A" 973 936 0.15      
15 A" 301 289 34.38      

Unscaled Zero Point Vibrational Energy (zpe) 14030.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 13491.3 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 B3PW91/cc-pVTZ
ABC
3.47026 0.76423 0.73471

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.701 0.000
N2 0.050 -0.756 0.000
H3 -0.942 1.174 0.000
H4 0.590 1.063 0.877
H5 0.590 1.063 -0.877
H6 -0.445 -1.107 -0.810
H7 -0.445 -1.107 0.810

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45741.09921.09161.09162.04262.0426
N21.45742.17052.09062.09061.01211.0121
H31.09922.17051.76911.76912.47172.4717
H41.09162.09061.76911.75382.93742.4057
H51.09162.09061.76911.75382.40572.9374
H62.04261.01212.47172.93742.40571.6198
H72.04261.01212.47172.40572.93741.6198

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 110.310 C1 N2 H7 110.310
N2 C1 H3 115.480 N2 C1 H4 109.360
N2 C1 H5 109.360 H3 C1 H4 107.701
H3 C1 H5 107.701 H4 C1 H5 106.893
H6 N2 H7 106.302
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.160      
2 N -0.320      
3 H 0.053      
4 H 0.086      
5 H 0.086      
6 H 0.127      
7 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.245 0.289 0.000 1.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.803 2.068 0.000
y 2.068 -14.140 0.000
z 0.000 0.000 -12.541
Traceless
 xyz
x -1.462 2.068 0.000
y 2.068 -0.469 0.000
z 0.000 0.000 1.931
Polar
3z2-r23.862
x2-y2-0.662
xy2.068
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.105 0.092 0.000
y 0.092 3.714 0.000
z 0.000 0.000 3.296


<r2> (average value of r2) Å2
<r2> 26.545
(<r2>)1/2 5.152