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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-639.019271
Energy at 298.15K-639.026894
HF Energy-639.019271
Nuclear repulsion energy278.505684
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/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' 3436 3374 46.45      
2 A' 3099 3043 0.42      
3 A' 3006 2952 0.13      
4 A' 1553 1525 78.71      
5 A' 1458 1432 9.59      
6 A' 1372 1347 32.77      
7 A' 1185 1163 161.97      
8 A' 998 980 68.20      
9 A' 920 903 154.24      
10 A' 760 746 60.60      
11 A' 508 499 121.67      
12 A' 465 457 23.11      
13 A' 422 414 210.26      
14 A' 295 290 4.11      
15 A" 3571 3507 55.48      
16 A" 3110 3054 0.71      
17 A" 1466 1440 1.36      
18 A" 1426 1400 189.32      
19 A" 1015 997 11.61      
20 A" 952 935 0.02      
21 A" 420 413 1.48      
22 A" 326 320 0.49      
23 A" 258 253 0.12      
24 A" 160 158 5.17      

Unscaled Zero Point Vibrational Energy (zpe) 16089.6 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 15800.0 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/3-21G*
ABC
0.15632 0.14837 0.14460

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.644 -0.066 0.000
S2 0.118 -0.133 0.000
N3 0.538 1.444 0.000
O4 0.538 -0.697 1.277
O5 0.538 -0.697 -1.277
H6 -2.038 -1.096 0.000
H7 -2.002 0.457 0.901
H8 -2.002 0.457 -0.901
H9 0.822 1.881 0.881
H10 0.822 1.881 -0.881

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.76322.65332.60592.60591.10311.10151.10153.26333.2633
S21.76321.63211.45831.45832.36122.37792.37792.30852.3085
N32.65331.63212.49352.49353.61762.86992.86991.02371.0237
O42.60591.45832.49352.55492.90262.81533.53962.62423.3746
O52.60591.45832.49352.55492.90263.53962.81533.37462.6242
H61.10312.36123.61762.90262.90261.79611.79614.22154.2215
H71.10152.37792.86992.81533.53961.79611.80173.16313.6304
H81.10152.37792.86993.53962.81531.79611.80173.63043.1631
H93.26332.30851.02372.62423.37464.22153.16313.63041.7618
H103.26332.30851.02373.37462.62424.22153.63043.16311.7618

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 102.720 C1 S2 O4 107.603
C1 S2 O5 107.603 S2 C1 H6 108.739
S2 C1 H7 110.060 S2 C1 H8 110.060
S2 N3 H9 118.949 S2 N3 H10 118.949
N3 S2 O4 107.450 N3 S2 O5 107.450
O4 S2 O5 122.330 H6 C1 H7 109.112
H6 C1 H8 109.112 H7 C1 H8 109.732
H9 N3 H10 118.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.899      
2 S 1.070      
3 N -0.798      
4 O -0.412      
5 O -0.412      
6 H 0.264      
7 H 0.252      
8 H 0.252      
9 H 0.342      
10 H 0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.712 3.807 0.000 4.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.801 4.746 0.000
y 4.746 -32.595 0.000
z 0.000 0.000 -39.198
Traceless
 xyz
x 2.095 4.746 0.000
y 4.746 3.904 0.000
z 0.000 0.000 -6.000
Polar
3z2-r2-12.000
x2-y2-1.206
xy4.746
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.877 0.350 0.000
y 0.350 5.200 0.000
z 0.000 0.000 5.351


<r2> (average value of r2) Å2
<r2> 119.266
(<r2>)1/2 10.921