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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-641.204929
Energy at 298.15K-641.212719
HF Energy-641.204929
Nuclear repulsion energy278.727223
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 mPW1PW91/3-21G*
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 3370 50.71      
2 A' 3188 3027 1.09      
3 A' 3098 2942 0.51      
4 A' 1639 1557 72.99      
5 A' 1525 1449 8.89      
6 A' 1445 1372 26.60      
7 A' 1200 1139 187.74      
8 A' 1042 989 49.18      
9 A' 939 891 195.18      
10 A' 774 735 60.03      
11 A' 527 501 128.70      
12 A' 486 462 30.72      
13 A' 430 409 225.08      
14 A' 309 293 2.20      
15 A" 3683 3497 61.18      
16 A" 3199 3037 1.68      
17 A" 1530 1453 2.25      
18 A" 1442 1369 224.39      
19 A" 1070 1016 7.24      
20 A" 1008 958 0.00      
21 A" 434 412 0.79      
22 A" 342 324 1.45      
23 A" 249 237 0.04      
24 A" 188 179 7.84      

Unscaled Zero Point Vibrational Energy (zpe) 16647.2 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 15808.2 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 mPW1PW91/3-21G*
ABC
0.15694 0.14766 0.14465

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.652 -0.067 0.000
S2 0.117 -0.133 0.000
N3 0.539 1.448 0.000
O4 0.539 -0.698 1.272
O5 0.539 -0.698 -1.272
H6 -2.039 -1.089 0.000
H7 -2.004 0.452 0.893
H8 -2.004 0.452 -0.893
H9 0.840 1.872 0.870
H10 0.840 1.872 -0.870

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.77022.66362.61102.61101.09291.09131.09133.27473.2747
S21.77021.63601.45461.45462.35832.37492.37492.30182.3018
N32.66361.63602.49462.49463.61672.87412.87411.01341.0134
O42.61101.45462.49462.54402.90112.81693.53282.61873.3591
O52.61101.45462.49462.54402.90113.53282.81693.35912.6187
H61.09292.35833.61672.90112.90111.78101.78104.22014.2201
H71.09132.37492.87412.81693.53281.78101.78683.17913.6353
H81.09132.37492.87413.53282.81691.78101.78683.63533.1791
H93.27472.30181.01342.61873.35914.22013.17913.63531.7398
H103.27472.30181.01343.35912.61874.22013.63533.17911.7398

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 102.812 C1 S2 O4 107.728
C1 S2 O5 107.728 S2 C1 H6 108.593
S2 C1 H7 109.907 S2 C1 H8 109.907
S2 N3 H9 118.748 S2 N3 H10 118.748
N3 S2 O4 107.494 N3 S2 O5 107.494
O4 S2 O5 121.971 H6 C1 H7 109.257
H6 C1 H8 109.257 H7 C1 H8 109.896
H9 N3 H10 118.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.920      
2 S 1.284      
3 N -0.867      
4 O -0.487      
5 O -0.487      
6 H 0.266      
7 H 0.255      
8 H 0.255      
9 H 0.351      
10 H 0.351      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.811 3.821 0.000 4.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.580 4.952 0.000
y 4.952 -32.982 0.000
z 0.000 0.000 -39.761
Traceless
 xyz
x 2.792 4.952 0.000
y 4.952 3.688 0.000
z 0.000 0.000 -6.480
Polar
3z2-r2-12.960
x2-y2-0.598
xy4.952
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.657 0.312 0.000
y 0.312 4.933 0.000
z 0.000 0.000 5.155


<r2> (average value of r2) Å2
<r2> 119.396
(<r2>)1/2 10.927