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: PBE1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-95.773887
Energy at 298.15K 
HF Energy-95.773887
Nuclear repulsion energy42.121571
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 PBE1PBE/TZVP
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' 3546 3403 0.02 110.12 0.11 0.19
2 A' 3084 2960 35.15 102.09 0.28 0.44
3 A' 2985 2864 94.50 159.37 0.14 0.25
4 A' 1672 1604 29.25 7.04 0.73 0.85
5 A' 1493 1433 7.92 19.01 0.63 0.77
6 A' 1459 1400 2.50 5.38 0.67 0.80
7 A' 1169 1122 6.85 2.81 0.54 0.70
8 A' 1089 1045 12.26 8.38 0.30 0.46
9 A' 828 794 188.03 2.59 0.75 0.86
10 A" 3631 3484 1.18 58.90 0.75 0.86
11 A" 3124 2998 30.54 71.04 0.75 0.86
12 A" 1515 1454 4.49 16.62 0.75 0.86
13 A" 1349 1294 0.07 1.86 0.75 0.86
14 A" 978 939 0.10 0.02 0.75 0.86
15 A" 313 300 42.29 0.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14117.4 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 13547.0 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 PBE1PBE/TZVP
ABC
3.47595 0.76659 0.73576

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 0.700 0.000
N2 0.048 -0.753 0.000
H3 -0.945 1.174 0.000
H4 0.590 1.063 0.877
H5 0.590 1.063 -0.877
H6 -0.431 -1.115 -0.814
H7 -0.431 -1.115 0.814

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45361.10051.09251.09252.04662.0466
N21.45362.16822.08792.08791.01151.0115
H31.10052.16821.77121.77122.48362.4836
H41.09252.08791.77121.75392.94002.4060
H51.09252.08791.77121.75392.40602.9400
H62.04661.01152.48362.94002.40601.6279
H72.04661.01152.48362.40602.94001.6279

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 110.975 C1 N2 H7 110.975
N2 C1 H3 115.496 N2 C1 H4 109.362
N2 C1 H5 109.362 H3 C1 H4 107.740
H3 C1 H5 107.740 H4 C1 H5 106.784
H6 N2 H7 107.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.294      
2 N -0.458      
3 H 0.098      
4 H 0.125      
5 H 0.125      
6 H 0.202      
7 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.369 0.345 0.000 1.412
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.108 2.274 0.000
y 2.274 -14.207 0.000
z 0.000 0.000 -12.526
Traceless
 xyz
x -1.742 2.274 0.000
y 2.274 -0.390 0.000
z 0.000 0.000 2.132
Polar
3z2-r24.264
x2-y2-0.901
xy2.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.013 0.049 0.000
y 0.049 3.488 0.000
z 0.000 0.000 3.185


<r2> (average value of r2) Å2
<r2> 26.604
(<r2>)1/2 5.158