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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-642.238368
Energy at 298.15K-642.246025
HF Energy-642.238368
Nuclear repulsion energy280.249223
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 LSDA/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' 3456 3400 45.55      
2 A' 3121 3071 0.35      
3 A' 3006 2958 0.39      
4 A' 1496 1472 44.71      
5 A' 1372 1350 5.89      
6 A' 1268 1247 36.88      
7 A' 1174 1155 125.10      
8 A' 936 921 61.75      
9 A' 875 861 75.83      
10 A' 738 726 16.51      
11 A' 615 606 209.96      
12 A' 492 484 48.68      
13 A' 466 458 5.16      
14 A' 286 281 4.71      
15 A" 3571 3513 58.86      
16 A" 3129 3079 0.08      
17 A" 1414 1392 146.20      
18 A" 1367 1345 46.84      
19 A" 1028 1012 0.06      
20 A" 908 894 2.85      
21 A" 387 381 1.63      
22 A" 324 318 2.15      
23 A" 218 215 4.73      
24 A" 191 188 26.08      

Unscaled Zero Point Vibrational Energy (zpe) 15917.7 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 15663.1 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 LSDA/6-31G(2df,p)
ABC
0.16001 0.14910 0.14560

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.650 -0.061 0.000
S2 0.108 -0.132 0.000
N3 0.524 1.470 0.000
O4 0.524 -0.688 1.262
O5 0.524 -0.688 -1.262
H6 -2.008 -1.102 0.000
H7 -1.987 0.462 0.906
H8 -1.987 0.462 -0.906
H9 1.052 1.687 0.848
H10 1.052 1.687 -0.848

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.75972.65922.59042.59041.10021.09871.09873.32823.3282
S21.75971.65501.44031.44032.32802.35832.35832.21742.2174
N32.65921.65502.50032.50033.60902.85322.85321.02241.0224
O42.59041.44032.50032.52372.85882.78413.51042.46803.2205
O52.59041.44032.50032.52372.85883.51042.78413.22052.4680
H61.10022.32803.60902.85882.85881.80681.80684.22604.2260
H71.09872.35832.85322.78413.51041.80681.81143.27713.7164
H81.09872.35832.85323.51042.78411.80681.81143.71643.2771
H93.32822.21741.02242.46803.22054.22603.27713.71641.6962
H103.32822.21741.02243.22052.46804.22603.71643.27711.6962

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 102.247 C1 S2 O4 107.676
C1 S2 O5 107.676 S2 C1 H6 106.699
S2 C1 H7 108.984 S2 C1 H8 108.984
S2 N3 H9 109.550 S2 N3 H10 109.550
N3 S2 O4 107.554 N3 S2 O5 107.554
O4 S2 O5 122.349 H6 C1 H7 110.506
H6 C1 H8 110.506 H7 C1 H8 111.040
H9 N3 H10 112.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.531      
2 S 0.306      
3 N -0.513      
4 O -0.236      
5 O -0.236      
6 H 0.207      
7 H 0.198      
8 H 0.198      
9 H 0.303      
10 H 0.303      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.398 2.883 0.000 3.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.790 5.080 0.000
y 5.080 -35.287 0.000
z 0.000 0.000 -39.169
Traceless
 xyz
x 5.438 5.080 0.000
y 5.080 0.192 0.000
z 0.000 0.000 -5.630
Polar
3z2-r2-11.260
x2-y23.498
xy5.080
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.359 0.396 0.000
y 0.396 6.140 0.000
z 0.000 0.000 6.111


<r2> (average value of r2) Å2
<r2> 117.987
(<r2>)1/2 10.862