return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-644.446575
Energy at 298.15K-644.454388
HF Energy-644.446575
Nuclear repulsion energy280.213517
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 mPW1PW91/6-31G(2df,p)
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' 3571 3409 40.68      
2 A' 3205 3060 0.20      
3 A' 3094 2953 0.10      
4 A' 1590 1518 39.12      
5 A' 1454 1388 4.59      
6 A' 1351 1289 20.03      
7 A' 1196 1142 153.28      
8 A' 983 938 41.29      
9 A' 900 859 99.84      
10 A' 746 712 16.35      
11 A' 665 635 219.74      
12 A' 510 487 46.36      
13 A' 487 465 8.57      
14 A' 297 284 4.73      
15 A" 3684 3517 52.51      
16 A" 3214 3069 0.47      
17 A" 1459 1392 10.09      
18 A" 1423 1358 212.36      
19 A" 1094 1044 0.66      
20 A" 964 920 1.81      
21 A" 403 385 0.36      
22 A" 333 318 2.49      
23 A" 220 210 3.32      
24 A" 188 179 30.25      

Unscaled Zero Point Vibrational Energy (zpe) 16513.9 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 15765.8 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 mPW1PW91/6-31G(2df,p)
ABC
0.16027 0.14770 0.14554

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.662 -0.061 0.000
S2 0.110 -0.132 0.000
N3 0.527 1.476 0.000
O4 0.527 -0.691 1.255
O5 0.527 -0.691 -1.255
H6 -2.016 -1.092 0.000
H7 -1.994 0.457 0.898
H8 -1.994 0.457 -0.898
H9 1.054 1.690 0.836
H10 1.054 1.690 -0.836

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.77282.67422.60032.60031.09011.08871.08873.33753.3375
S21.77281.66121.43601.43602.33222.36222.36222.21602.2160
N32.67421.66122.50452.50453.61372.86362.86361.01151.0115
O42.60031.43602.50452.51052.86352.79303.50852.47473.2131
O52.60031.43602.50452.51052.86353.50852.79303.21312.4747
H61.09012.33223.61372.86352.86351.79061.79064.22634.2263
H71.08872.36222.86362.79303.50851.79061.79593.28853.7173
H81.08872.36222.86363.50852.79301.79061.79593.71733.2885
H93.33752.21601.01152.47473.21314.22633.28853.71731.6729
H103.33752.21601.01153.21312.47474.22633.71733.28851.6729

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 102.245 C1 S2 O4 107.798
C1 S2 O5 107.798 S2 C1 H6 106.657
S2 C1 H7 108.923 S2 C1 H8 108.923
S2 N3 H9 109.616 S2 N3 H10 109.616
N3 S2 O4 107.705 N3 S2 O5 107.705
O4 S2 O5 121.876 H6 C1 H7 110.538
H6 C1 H8 110.538 H7 C1 H8 111.132
H9 N3 H10 111.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.523      
2 S 0.539      
3 N -0.563      
4 O -0.313      
5 O -0.313      
6 H 0.197      
7 H 0.189      
8 H 0.189      
9 H 0.299      
10 H 0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.473 2.913 0.000 3.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.554 5.139 0.000
y 5.139 -35.299 0.000
z 0.000 0.000 -39.313
Traceless
 xyz
x 5.752 5.139 0.000
y 5.139 0.134 0.000
z 0.000 0.000 -5.887
Polar
3z2-r2-11.774
x2-y23.745
xy5.139
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.137 0.356 0.000
y 0.356 5.926 0.000
z 0.000 0.000 5.899


<r2> (average value of r2) Å2
<r2> 118.221
(<r2>)1/2 10.873