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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-641.123534
Energy at 298.15K-641.131264
HF Energy-641.123534
Nuclear repulsion energy277.913767
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 B3PW91/3-21G*
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' 3527 3383 45.78      
2 A' 3169 3040 1.58      
3 A' 3081 2956 0.78      
4 A' 1629 1563 68.80      
5 A' 1518 1456 8.53      
6 A' 1434 1376 23.64      
7 A' 1185 1137 182.42      
8 A' 1034 992 43.72      
9 A' 924 886 198.17      
10 A' 758 728 58.41      
11 A' 518 497 112.79      
12 A' 480 461 29.90      
13 A' 420 403 232.84      
14 A' 305 293 1.65      
15 A" 3661 3512 55.78      
16 A" 3180 3051 2.21      
17 A" 1522 1461 2.68      
18 A" 1426 1368 215.51      
19 A" 1060 1017 6.70      
20 A" 1001 960 0.00      
21 A" 429 412 0.89      
22 A" 338 324 1.43      
23 A" 248 238 0.04      
24 A" 183 176 8.23      

Unscaled Zero Point Vibrational Energy (zpe) 16515.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 15844.6 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 B3PW91/3-21G*
ABC
0.15601 0.14674 0.14378

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.658 -0.066 0.000
S2 0.118 -0.134 0.000
N3 0.540 1.453 0.000
O4 0.540 -0.700 1.276
O5 0.540 -0.700 -1.276
H6 -2.045 -1.090 0.000
H7 -2.010 0.453 0.895
H8 -2.010 0.453 -0.895
H9 0.846 1.875 0.871
H10 0.846 1.875 -0.871

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.77682.67182.61942.61941.09441.09291.09293.28553.2855
S21.77681.64161.45851.45852.36452.38172.38172.30722.3072
N32.67181.64162.50262.50263.62592.88172.88171.01501.0150
O42.61941.45852.50262.55162.90902.82493.54212.62473.3666
O52.61941.45852.50262.55162.90903.54212.82493.36662.6247
H61.09442.36453.62592.90902.90901.78401.78404.23144.2314
H71.09292.38172.88172.82493.54211.78401.78963.19043.6464
H81.09292.38172.88173.54212.82491.78401.78963.64643.1904
H93.28552.30721.01502.62473.36664.23143.19043.64641.7419
H103.28552.30721.01503.36662.62474.23143.64643.19041.7419

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 102.738 C1 S2 O4 107.716
C1 S2 O5 107.716 S2 C1 H6 108.531
S2 C1 H7 109.888 S2 C1 H8 109.888
S2 N3 H9 118.655 S2 N3 H10 118.655
N3 S2 O4 107.507 N3 S2 O5 107.507
O4 S2 O5 122.023 H6 C1 H7 109.293
H6 C1 H8 109.293 H7 C1 H8 109.923
H9 N3 H10 118.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.906      
2 S 1.264      
3 N -0.855      
4 O -0.480      
5 O -0.480      
6 H 0.261      
7 H 0.251      
8 H 0.251      
9 H 0.347      
10 H 0.347      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.764 3.783 0.000 4.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.560 4.957 0.000
y 4.957 -33.017 0.000
z 0.000 0.000 -39.697
Traceless
 xyz
x 2.797 4.957 0.000
y 4.957 3.611 0.000
z 0.000 0.000 -6.408
Polar
3z2-r2-12.817
x2-y2-0.543
xy4.957
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.731 0.323 0.000
y 0.323 5.001 0.000
z 0.000 0.000 5.214


<r2> (average value of r2) Å2
<r2> 119.964
(<r2>)1/2 10.953