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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-641.197712
Energy at 298.15K-641.205512
HF Energy-641.197712
Nuclear repulsion energy279.401110
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 B1B95/3-21G*
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' 3549 3389 50.64      
2 A' 3193 3049 1.21      
3 A' 3104 2964 0.46      
4 A' 1636 1562 74.91      
5 A' 1524 1455 8.43      
6 A' 1443 1378 26.25      
7 A' 1203 1149 188.25      
8 A' 1039 992 53.62      
9 A' 944 901 188.27      
10 A' 778 743 63.19      
11 A' 528 504 136.08      
12 A' 486 464 29.80      
13 A' 435 415 216.59      
14 A' 306 292 2.56      
15 A" 3683 3517 59.73      
16 A" 3203 3059 1.84      
17 A" 1529 1460 1.83      
18 A" 1448 1383 224.05      
19 A" 1065 1017 7.74      
20 A" 1003 958 0.04      
21 A" 434 415 0.75      
22 A" 340 324 1.30      
23 A" 255 243 0.06      
24 A" 190 182 6.41      

Unscaled Zero Point Vibrational Energy (zpe) 16658.0 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 15906.7 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 B1B95/3-21G*
ABC
0.15775 0.14838 0.14530

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.648 -0.068 0.000
S2 0.117 -0.133 0.000
N3 0.539 1.443 0.000
O4 0.539 -0.695 1.269
O5 0.539 -0.695 -1.269
H6 -2.035 -1.088 0.000
H7 -2.000 0.449 0.892
H8 -2.000 0.449 -0.892
H9 0.827 1.874 0.869
H10 0.827 1.874 -0.869

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.76692.65832.60512.60511.09121.08961.08963.26423.2642
S21.76691.63111.45061.45062.35532.37042.37042.29912.2991
N32.65831.63112.48662.48663.61022.86862.86861.01221.0122
O42.60511.45062.48662.53782.89662.81063.52512.61613.3551
O52.60511.45062.48662.53782.89663.52512.81063.35512.6161
H61.09122.35533.61022.89662.89661.77811.77814.21004.2100
H71.08962.37042.86862.81063.52511.77811.78393.16603.6229
H81.08962.37042.86863.52512.81061.77811.78393.62293.1660
H93.26422.29911.01222.61613.35514.21003.16603.62291.7388
H103.26422.29911.01223.35512.61614.21003.62293.16601.7388

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 102.873 C1 S2 O4 107.725
C1 S2 O5 107.725 S2 C1 H6 108.679
S2 C1 H7 109.887 S2 C1 H8 109.887
S2 N3 H9 118.992 S2 N3 H10 118.992
N3 S2 O4 107.442 N3 S2 O5 107.442
O4 S2 O5 122.026 H6 C1 H7 109.239
H6 C1 H8 109.239 H7 C1 H8 109.886
H9 N3 H10 118.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.895      
2 S 1.256      
3 N -0.854      
4 O -0.478      
5 O -0.478      
6 H 0.259      
7 H 0.248      
8 H 0.248      
9 H 0.348      
10 H 0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.828 3.824 0.000 4.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.621 4.845 0.000
y 4.845 -32.787 0.000
z 0.000 0.000 -39.634
Traceless
 xyz
x 2.589 4.845 0.000
y 4.845 3.840 0.000
z 0.000 0.000 -6.430
Polar
3z2-r2-12.859
x2-y2-0.834
xy4.845
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.649 0.316 0.000
y 0.316 4.933 0.000
z 0.000 0.000 5.149


<r2> (average value of r2) Å2
<r2> 118.888
(<r2>)1/2 10.904