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All results from a given calculation for CH3NH3 (methyl ammonium radical)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-96.273272
Energy at 298.15K-96.280305
HF Energy-96.273272
Nuclear repulsion energy47.298431
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 B1B95/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 A1 3074 2955 82.72      
2 A1 2652 2549 74.97      
3 A1 1311 1260 124.86      
4 A1 1169 1123 96.95      
5 A1 914 878 58.25      
6 A2 287 276 0.00      
7 E 3184 3061 12.15      
7 E 3184 3061 12.14      
8 E 1990 1913 4623.63      
8 E 1990 1913 4633.63      
9 E 1437 1382 28.77      
9 E 1437 1382 28.69      
10 E 1261 1212 1.47      
10 E 1261 1212 1.44      
11 E 1078 1036 549.55      
11 E 1078 1036 548.55      
12 E 836 803 151.26      
12 E 836 803 151.79      

Unscaled Zero Point Vibrational Energy (zpe) 14488.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 13926.6 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 B1B95/cc-pVDZ
ABC
2.64284 0.67696 0.67696

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.791
N2 0.000 0.000 0.701
H3 0.000 -1.043 -1.126
H4 -0.903 0.521 -1.126
H5 0.903 0.521 -1.126
H6 0.000 1.011 1.073
H7 -0.876 -0.505 1.073
H8 0.876 -0.505 1.073

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49241.09541.09541.09542.12072.12072.1207
N21.49242.10422.10422.10421.07721.07721.0772
H31.09542.10421.80641.80643.00922.42752.4275
H41.09542.10421.80641.80642.42752.42753.0092
H51.09542.10421.80641.80642.42753.00922.4275
H62.12071.07723.00922.42752.42751.75101.7510
H72.12071.07722.42752.42753.00921.75101.7510
H82.12071.07722.42753.00922.42751.75101.7510

picture of methyl ammonium radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 110.194 C1 N2 H7 110.194
C1 N2 H8 110.194 N2 C1 H3 107.816
N2 C1 H4 107.816 N2 C1 H5 107.816
H3 C1 H4 111.074 H3 C1 H5 111.074
H4 C1 H5 111.074 H6 N2 H7 108.739
H6 N2 H8 108.739 H7 N2 H8 108.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 N 0.195      
3 H 0.037      
4 H 0.037      
5 H 0.037      
6 H -0.104      
7 H -0.104      
8 H -0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.210 1.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.381 0.000 0.000
y 0.000 -17.381 0.000
z 0.000 0.000 -17.250
Traceless
 xyz
x -0.065 0.000 0.000
y 0.000 -0.065 0.000
z 0.000 0.000 0.131
Polar
3z2-r20.261
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.381 0.000 0.000
y 0.000 11.365 -0.001
z 0.000 -0.001 7.087


<r2> (average value of r2) Å2
<r2> 31.615
(<r2>)1/2 5.623