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: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-641.264732
Energy at 298.15K-641.272317
HF Energy-641.264732
Nuclear repulsion energy276.521897
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 TPSSh/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' 3474 3355 33.76      
2 A' 3151 3043 3.70      
3 A' 3068 2963 2.07      
4 A' 1629 1574 54.43      
5 A' 1527 1475 7.24      
6 A' 1434 1385 14.49      
7 A' 1157 1117 169.95      
8 A' 1027 992 30.19      
9 A' 902 871 201.51      
10 A' 733 708 41.78      
11 A' 498 481 82.43      
12 A' 466 450 33.52      
13 A' 397 384 240.01      
14 A' 291 281 0.27      
15 A" 3606 3483 43.45      
16 A" 3162 3054 4.30      
17 A" 1531 1478 3.38      
18 A" 1400 1352 196.49      
19 A" 1056 1020 3.56      
20 A" 999 965 0.01      
21 A" 413 399 1.46      
22 A" 324 313 2.09      
23 A" 244 236 0.00      
24 A" 168 162 13.09      

Unscaled Zero Point Vibrational Energy (zpe) 16328.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 15768.7 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 TPSSh/3-21G*
ABC
0.15400 0.14543 0.14259

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.666 -0.052 0.000
S2 0.118 -0.138 0.000
N3 0.539 1.462 0.000
O4 0.539 -0.706 1.284
O5 0.539 -0.706 -1.284
H6 -2.063 -1.072 0.000
H7 -2.009 0.473 0.896
H8 -2.009 0.473 -0.896
H9 0.893 1.858 0.870
H10 0.893 1.858 -0.870

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.78582.67472.63462.63461.09491.09341.09343.30923.3092
S21.78581.65421.46611.46612.37222.38722.38722.31122.3112
N32.67471.65422.51962.51963.63212.87632.87631.01941.0194
O42.63461.46612.51962.56812.92472.83493.55482.62143.3677
O52.63461.46612.51962.56812.92473.55482.83493.36772.6214
H61.09492.37223.63212.92472.92471.78721.78724.25184.2518
H71.09342.38722.87632.83493.55481.78721.79133.21513.6680
H81.09342.38722.87633.55482.83491.78721.79133.66803.2151
H93.30922.31121.01942.62143.36774.25183.21513.66801.7404
H103.30922.31121.01943.36772.62144.25183.66803.21511.7404

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 102.002 C1 S2 O4 107.818
C1 S2 O5 107.818 S2 C1 H6 108.480
S2 C1 H7 109.663 S2 C1 H8 109.663
S2 N3 H9 117.674 S2 N3 H10 117.674
N3 S2 O4 107.547 N3 S2 O5 107.547
O4 S2 O5 122.281 H6 C1 H7 109.508
H6 C1 H8 109.508 H7 C1 H8 109.995
H9 N3 H10 117.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.869      
2 S 1.252      
3 N -0.835      
4 O -0.477      
5 O -0.477      
6 H 0.250      
7 H 0.242      
8 H 0.242      
9 H 0.337      
10 H 0.337      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.542 3.579 0.000 3.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.891 0.358 0.000
y 0.358 5.121 0.000
z 0.000 0.000 5.337


<r2> (average value of r2) Å2
<r2> 120.969
(<r2>)1/2 10.999