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

using model chemistry: ROHF/aug-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 ROHF/aug-cc-pVDZ
 hartrees
Energy at 0K-95.722705
Energy at 298.15K-95.729986
HF Energy-95.722705
Nuclear repulsion energy48.129530
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 ROHF/aug-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 3419 3419 138.48      
2 A1 3229 3229 10.93      
3 A1 1565 1565 639.53      
4 A1 1539 1539 89.48      
5 A1 1033 1033 45.34      
6 A2 312 312 0.00      
7 E 3434 3434 4004.42      
7 E 3434 3434 4004.42      
8 E 3332 3332 0.84      
8 E 3332 3332 0.84      
9 E 1684 1684 977.70      
9 E 1684 1684 977.71      
10 E 1593 1593 12.63      
10 E 1593 1593 12.63      
11 E 1361 1361 6.57      
11 E 1361 1361 6.56      
12 E 960 960 191.95      
12 E 960 960 191.96      

Unscaled Zero Point Vibrational Energy (zpe) 17913.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17913.8 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 ROHF/aug-cc-pVDZ
ABC
2.85728 0.68185 0.68185

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-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 0.699
H3 0.000 -1.029 -1.133
H4 -0.891 0.514 -1.133
H5 0.891 0.514 -1.133
H6 0.000 0.945 1.083
H7 -0.818 -0.473 1.083
H8 0.818 -0.473 1.083

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.48981.08411.08411.08412.09882.09882.0988
N21.48982.10102.10102.10101.02021.02021.0202
H31.08412.10101.78171.78172.96762.42702.4270
H41.08412.10101.78171.78172.42702.42702.9676
H51.08412.10101.78171.78172.42702.96762.4270
H62.09881.02022.96762.42702.42701.63691.6369
H72.09881.02022.42702.42702.96761.63691.6369
H82.09881.02022.42702.96762.42701.63691.6369

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 112.122 C1 N2 H7 112.122
C1 N2 H8 112.122 N2 C1 H3 108.399
N2 C1 H4 108.399 N2 C1 H5 108.399
H3 C1 H4 110.522 H3 C1 H5 110.522
H4 C1 H5 110.522 H6 N2 H7 106.696
H6 N2 H8 106.696 H7 N2 H8 106.696
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.101      
2 N -0.108      
3 H -0.083      
4 H -0.083      
5 H -0.083      
6 H -0.248      
7 H -0.248      
8 H -0.248      


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 -4.053 4.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.111 0.000 0.000
y 0.000 -26.109 0.004
z 0.000 0.004 -27.489
Traceless
 xyz
x 0.688 0.000 0.000
y 0.000 0.691 0.004
z 0.000 0.004 -1.379
Polar
3z2-r2-2.758
x2-y2-0.003
xy0.000
xz0.000
yz0.004


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


<r2> (average value of r2) Å2
<r2> 36.991
(<r2>)1/2 6.082