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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-95.806513
Energy at 298.15K 
HF Energy-95.675697
Nuclear repulsion energy42.060655
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 B2PLYP/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' 3517 3374 0.41 110.37 0.10 0.18
2 A' 3088 2962 36.08 96.89 0.27 0.43
3 A' 2999 2877 84.58 147.37 0.12 0.22
4 A' 1673 1605 19.65 5.13 0.68 0.81
5 A' 1513 1452 6.13 10.93 0.66 0.80
6 A' 1469 1409 1.84 2.58 0.50 0.67
7 A' 1185 1137 7.78 1.92 0.40 0.57
8 A' 1066 1022 8.94 9.04 0.25 0.40
9 A' 858 823 150.10 2.10 0.56 0.71
10 A" 3598 3452 0.43 56.57 0.75 0.86
11 A" 3124 2997 30.79 65.15 0.75 0.86
12 A" 1534 1472 3.31 10.26 0.75 0.86
13 A" 1360 1305 0.07 1.26 0.75 0.86
14 A" 982 942 0.02 0.06 0.75 0.86
15 A" 305 292 33.80 0.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14134.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 13560.6 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 B2PLYP/cc-pVTZ
ABC
3.47675 0.76096 0.73199

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.704 0.000
N2 0.051 -0.759 0.000
H3 -0.940 1.172 0.000
H4 0.589 1.063 0.876
H5 0.589 1.063 -0.876
H6 -0.448 -1.106 -0.808
H7 -0.448 -1.106 0.808

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46331.09551.08861.08862.04412.0441
N21.46332.17012.09162.09161.01131.0113
H31.09552.17011.76551.76552.46612.4661
H41.08862.09161.76551.75142.93492.4046
H51.08862.09161.76551.75142.40462.9349
H62.04411.01132.46612.93492.40461.6167
H72.04411.01132.46612.40462.93491.6167

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 110.050 C1 N2 H7 110.050
N2 C1 H3 115.259 N2 C1 H4 109.214
N2 C1 H5 109.214 H3 C1 H4 107.868
H3 C1 H5 107.868 H4 C1 H5 107.112
H6 N2 H7 106.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.208      
2 N -0.350      
3 H 0.069      
4 H 0.103      
5 H 0.103      
6 H 0.141      
7 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.261 0.336 0.000 1.305
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.953 2.071 -0.001
y 2.071 -14.346 -0.003
z -0.001 -0.003 -12.710
Traceless
 xyz
x -1.425 2.071 -0.001
y 2.071 -0.514 -0.003
z -0.001 -0.003 1.939
Polar
3z2-r23.879
x2-y2-0.607
xy2.071
xz-0.001
yz-0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.078 0.103 0.000
y 0.103 3.676 0.000
z 0.000 0.000 3.279


<r2> (average value of r2) Å2
<r2> 26.684
(<r2>)1/2 5.166