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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-644.056505
Energy at 298.15K-644.063313
HF Energy-644.056505
Nuclear repulsion energy256.839820
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 B3PW91/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3493 3345 34.86      
2 A' 3254 3117 0.98      
3 A' 3117 2985 0.12      
4 A' 1599 1531 39.12      
5 A' 1481 1418 15.94      
6 A' 1381 1323 3.67      
7 A' 1035 991 23.44      
8 A' 858 822 174.19      
9 A' 832 797 18.37      
10 A' 633 606 24.68      
11 A' 531 509 194.00      
12 A' 363 347 22.14      
13 A' 328 314 33.44      
14 A' 227 218 5.08      
15 A" 3655 3500 44.25      
16 A" 3261 3123 0.90      
17 A" 1484 1421 14.67      
18 A" 1139 1091 46.82      
19 A" 1019 975 12.18      
20 A" 929 890 28.48      
21 A" 298 286 2.76      
22 A" 243 233 12.81      
23 A" 156 149 1.42      
24 A" 151 144 43.60      

Unscaled Zero Point Vibrational Energy (zpe) 15732.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15066.8 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 B3PW91/6-31G
ABC
0.12910 0.12799 0.12326

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.560 1.674 0.000
S2 -0.107 -0.134 0.000
N3 1.693 -0.042 0.000
O4 -0.560 -0.789 1.422
O5 -0.560 -0.789 -1.422
H6 -1.649 1.719 0.000
H7 -0.132 2.103 0.903
H8 -0.132 2.103 -0.903
H9 2.054 -0.457 0.858
H10 2.054 -0.457 -0.858

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.86412.83232.84372.84371.08921.08811.08813.47983.4798
S21.86411.80231.62971.62972.41042.41302.41302.34722.3472
N32.83231.80232.76692.76693.77702.95762.95761.01881.0188
O42.84371.62972.76692.84413.08132.96903.73552.69483.4844
O52.84371.62972.76692.84413.08133.73552.96903.48442.6948
H61.08922.41043.77703.08133.08131.80681.80684.37914.3791
H71.08812.41302.95762.96903.73551.80681.80683.36623.7988
H81.08812.41302.95763.73552.96901.80681.80683.79883.3662
H93.47982.34721.01882.69483.48444.37913.36623.79881.7156
H103.47982.34721.01883.48442.69484.37913.79883.36621.7156

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 101.142 C1 S2 O4 108.780
C1 S2 O5 108.780 S2 C1 H6 106.431
S2 C1 H7 106.669 S2 C1 H8 106.669
S2 N3 H9 109.457 S2 N3 H10 109.457
N3 S2 O4 107.349 N3 S2 O5 107.349
O4 S2 O5 121.525 H6 C1 H7 112.166
H6 C1 H8 112.166 H7 C1 H8 112.247
H9 N3 H10 114.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.674      
2 S 1.220      
3 N -0.856      
4 O -0.583      
5 O -0.583      
6 H 0.252      
7 H 0.247      
8 H 0.247      
9 H 0.366      
10 H 0.366      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.664 3.462 0.000 4.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.942 -7.382 0.000
y -7.382 -36.544 0.000
z 0.000 0.000 -43.680
Traceless
 xyz
x 6.170 -7.382 0.000
y -7.382 2.267 0.000
z 0.000 0.000 -8.438
Polar
3z2-r2-16.875
x2-y22.602
xy-7.382
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.708 -0.174 0.000
y -0.174 6.139 0.000
z 0.000 0.000 6.945


<r2> (average value of r2) Å2
<r2> 136.850
(<r2>)1/2 11.698