return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-643.706309
Energy at 298.15K-643.713123
HF Energy-643.511886
Nuclear repulsion energy255.443385
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3469 3469 28.30      
2 A' 3259 3259 0.66      
3 A' 3126 3126 0.00      
4 A' 1614 1614 35.90      
5 A' 1502 1502 13.31      
6 A' 1397 1397 1.07      
7 A' 1045 1045 19.27      
8 A' 883 883 173.25      
9 A' 834 834 16.42      
10 A' 633 633 45.30      
11 A' 534 534 155.00      
12 A' 363 363 22.07      
13 A' 324 324 34.16      
14 A' 226 226 5.20      
15 A" 3623 3623 36.60      
16 A" 3264 3264 0.61      
17 A" 1506 1506 12.35      
18 A" 1141 1141 42.54      
19 A" 1025 1025 10.59      
20 A" 926 926 39.58      
21 A" 295 295 1.94      
22 A" 240 240 15.13      
23 A" 158 158 0.00      
24 A" 152 152 47.67      

Unscaled Zero Point Vibrational Energy (zpe) 15769.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15769.1 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 B2PLYP/6-31G
ABC
0.12732 0.12632 0.12224

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.563 1.684 0.000
S2 -0.111 -0.136 0.000
N3 1.707 -0.030 0.000
O4 -0.563 -0.796 1.429
O5 -0.563 -0.796 -1.429
H6 -1.650 1.731 0.000
H7 -0.130 2.107 0.903
H8 -0.130 2.107 -0.903
H9 2.058 -0.462 0.855
H10 2.058 -0.462 -0.855

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.87572.84432.86202.86201.08831.08741.08743.49383.4938
S21.87571.82141.63721.63722.41972.41882.41882.35442.3544
N32.84431.82142.78962.78963.79092.95962.95961.02071.0207
O42.86201.63722.78962.85763.09942.98173.74892.70373.4927
O52.86201.63722.78962.85763.09943.74892.98173.49272.7037
H61.08832.41973.79093.09943.09941.80771.80774.39224.3922
H71.08742.41882.95962.98173.74891.80771.80693.37533.8058
H81.08742.41882.95963.74892.98171.80771.80693.80583.3753
H93.49382.35441.02072.70373.49274.39223.37533.80581.7109
H103.49382.35441.02073.49272.70374.39223.80583.37531.7109

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 100.579 C1 S2 O4 108.928
C1 S2 O5 108.928 S2 C1 H6 106.394
S2 C1 H7 106.377 S2 C1 H8 106.377
S2 N3 H9 108.565 S2 N3 H10 108.565
N3 S2 O4 107.405 N3 S2 O5 107.405
O4 S2 O5 121.552 H6 C1 H7 112.376
H6 C1 H8 112.376 H7 C1 H8 112.373
H9 N3 H10 113.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.603      
2 S 1.237      
3 N -0.833      
4 O -0.586      
5 O -0.586      
6 H 0.228      
7 H 0.223      
8 H 0.223      
9 H 0.349      
10 H 0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.534 3.443 0.000 4.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.763 -7.458 0.000
y -7.458 -37.076 0.000
z 0.000 0.000 -44.267
Traceless
 xyz
x 5.909 -7.458 0.000
y -7.458 2.439 0.000
z 0.000 0.000 -8.348
Polar
3z2-r2-16.696
x2-y22.313
xy-7.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.873 -0.182 0.000
y -0.182 6.240 0.000
z 0.000 0.000 7.056


<r2> (average value of r2) Å2
<r2> 138.485
(<r2>)1/2 11.768