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

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-96.218509
Energy at 298.15K-96.224397
HF Energy-96.218509
Nuclear repulsion energy47.109946
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 HSEh1PBE/6-31G**
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 3082 2941 57.84      
2 A1 2528 2412 88.98      
3 A1 1322 1261 131.16      
4 A1 1127 1075 9.60      
5 A1 859 820 29.43      
6 A2 278 266 0.00      
7 E 3186 3040 14.70      
7 E 3186 3040 14.71      
8 E 1626 1552 2325.68      
8 E 1626 1552 2326.48      
9 E 1474 1406 123.77      
9 E 1474 1406 123.70      
10 E 1218 1162 6.55      
10 E 1218 1162 6.55      
11 E 856 817 11.02      
11 E 856 817 11.02      
12 E 200 191 2998.03      
12 E 200 191 2999.12      

Unscaled Zero Point Vibrational Energy (zpe) 13156.7 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 12555.5 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 HSEh1PBE/6-31G**
ABC
2.59222 0.67447 0.67447

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

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 0.709
H3 0.000 -1.039 -1.126
H4 -0.899 0.519 -1.126
H5 0.899 0.519 -1.126
H6 0.000 1.035 1.054
H7 -0.897 -0.518 1.054
H8 0.897 -0.518 1.054

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50051.09111.09111.09112.11562.11562.1156
N21.50052.10832.10832.10831.09121.09121.0912
H31.09112.10831.79901.79903.00842.41332.4133
H41.09112.10831.79901.79902.41332.41333.0084
H51.09112.10831.79901.79902.41333.00842.4133
H62.11561.09123.00842.41332.41331.79341.7934
H72.11561.09122.41332.41333.00841.79341.7934
H82.11561.09122.41333.00842.41331.79341.7934

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 108.400 C1 N2 H7 108.400
C1 N2 H8 108.400 N2 C1 H3 107.837
N2 C1 H4 107.837 N2 C1 H5 107.837
H3 C1 H4 111.055 H3 C1 H5 111.055
H4 C1 H5 111.055 H6 N2 H7 110.521
H6 N2 H8 110.521 H7 N2 H8 110.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.294      
2 N -0.247      
3 H 0.141      
4 H 0.141      
5 H 0.141      
6 H 0.039      
7 H 0.039      
8 H 0.039      


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 -0.975 0.975
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.827 0.000 0.000
y 0.000 -16.827 0.000
z 0.000 0.000 -16.509
Traceless
 xyz
x -0.159 0.000 0.000
y 0.000 -0.159 0.000
z 0.000 0.000 0.318
Polar
3z2-r20.635
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 8.206 0.000 0.000
y 0.000 8.203 0.000
z 0.000 0.000 5.303


<r2> (average value of r2) Å2
<r2> 31.305
(<r2>)1/2 5.595