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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-640.802948
Energy at 298.15K-640.810378
HF Energy-640.802948
Nuclear repulsion energy274.872010
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 PBEPBE/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3403 3245 27.50      
2 A' 3095 2951 2.81      
3 A' 3006 2866 1.69      
4 A' 1577 1504 52.44      
5 A' 1478 1410 7.82      
6 A' 1381 1317 16.33      
7 A' 1131 1078 153.36      
8 A' 995 948 30.92      
9 A' 875 834 185.73      
10 A' 712 679 40.59      
11 A' 483 461 58.61      
12 A' 452 431 28.80      
13 A' 367 350 245.72      
14 A' 286 273 1.09      
15 A" 3537 3373 36.63      
16 A" 3106 2961 3.11      
17 A" 1481 1412 2.78      
18 A" 1372 1308 176.67      
19 A" 1021 973 4.42      
20 A" 965 921 0.14      
21 A" 404 385 1.86      
22 A" 317 303 1.53      
23 A" 242 231 0.01      
24 A" 149 142 13.50      

Unscaled Zero Point Vibrational Energy (zpe) 15916.4 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 15176.3 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 PBEPBE/3-21G*
ABC
0.15198 0.14394 0.14093

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.674 -0.050 0.000
S2 0.119 -0.139 0.000
N3 0.541 1.471 0.000
O4 0.541 -0.711 1.294
O5 0.541 -0.711 -1.294
H6 -2.073 -1.078 0.000
H7 -2.019 0.478 0.901
H8 -2.019 0.478 -0.901
H9 0.901 1.864 0.875
H10 0.901 1.864 -0.875

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.79502.68662.64832.64831.10241.10071.10073.32623.3262
S21.79501.66441.47551.47552.38502.40172.40172.32242.3224
N32.68661.66442.53592.53593.65092.89022.89021.02521.0252
O42.64831.47552.53592.58712.93992.85013.57592.63353.3859
O52.64831.47552.53592.58712.93993.57592.85013.38592.6335
H61.10242.38503.65092.93992.93991.79901.79904.27464.2746
H71.10072.40172.89022.85013.57591.79901.80283.23333.6892
H81.10072.40172.89023.57592.85011.79901.80283.68923.2333
H93.32622.32241.02522.63353.38594.27463.23333.68921.7505
H103.32622.32241.02523.38592.63354.27463.68923.23331.7505

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 101.834 C1 S2 O4 107.739
C1 S2 O5 107.739 S2 C1 H6 108.424
S2 C1 H7 109.737 S2 C1 H8 109.737
S2 N3 H9 117.431 S2 N3 H10 117.431
N3 S2 O4 107.576 N3 S2 O5 107.576
O4 S2 O5 122.481 H6 C1 H7 109.485
H6 C1 H8 109.485 H7 C1 H8 109.949
H9 N3 H10 117.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.866      
2 S 1.152      
3 N -0.797      
4 O -0.439      
5 O -0.439      
6 H 0.249      
7 H 0.242      
8 H 0.242      
9 H 0.328      
10 H 0.328      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.415 3.482 0.000 3.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.401 5.039 0.000
y 5.039 -33.638 0.000
z 0.000 0.000 -39.399
Traceless
 xyz
x 3.117 5.039 0.000
y 5.039 2.762 0.000
z 0.000 0.000 -5.879
Polar
3z2-r2-11.758
x2-y20.237
xy5.039
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.071 0.382 0.000
y 0.382 5.300 0.000
z 0.000 0.000 5.475


<r2> (average value of r2) Å2
<r2> 122.049
(<r2>)1/2 11.048