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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-640.925153
Energy at 298.15K-640.931741
HF Energy-640.925153
Nuclear repulsion energy254.064141
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 BLYP/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' 3147 3130 0.63      
2 A' 3116 3099 3.95      
3 A' 3032 3015 0.12      
4 A' 1573 1564 12.45      
5 A' 1464 1456 9.56      
6 A' 1321 1314 2.16      
7 A' 973 968 47.41      
8 A' 937 931 68.97      
9 A' 874 869 18.66      
10 A' 567 564 96.46      
11 A' 491 488 66.30      
12 A' 369 367 8.72      
13 A' 299 298 29.23      
14 A' 222 221 4.76      
15 A" 3240 3222 0.57      
16 A" 3152 3135 0.01      
17 A" 1470 1462 9.83      
18 A" 1133 1126 37.63      
19 A" 984 978 26.80      
20 A" 923 918 0.61      
21 A" 260 259 0.48      
22 A" 217 216 15.71      
23 A" 156 155 46.37      
24 A" 120 119 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 15018.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 14936.0 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 BLYP/3-21G
ABC
0.12651 0.12308 0.12094

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.555 1.719 0.000
S2 -0.140 -0.159 0.000
N3 1.745 0.079 0.000
O4 -0.555 -0.839 1.396
O5 -0.555 -0.839 -1.396
H6 -1.647 1.810 0.000
H7 -0.097 2.124 0.908
H8 -0.097 2.124 -0.908
H9 2.039 -0.476 0.842
H10 2.039 -0.476 -0.842

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.92292.82542.91412.91411.09561.09491.09493.50143.5014
S21.92291.90001.60751.60752.47952.45672.45672.35762.3576
N32.82541.90002.84322.84323.80872.89852.89851.05061.0506
O42.91411.60752.84322.79153.18733.03743.78122.67773.4455
O52.91411.60752.84322.79153.18733.78123.03743.44552.6777
H61.09562.47953.80873.18733.18731.82371.82374.41884.4188
H71.09492.45672.89853.03743.78121.82371.81673.36583.7932
H81.09492.45672.89853.78123.03741.82371.81673.79323.3658
H93.50142.35761.05062.67773.44554.41883.36583.79321.6842
H103.50142.35761.05063.44552.67774.41883.79323.36581.6842

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 95.302 C1 S2 O4 110.950
C1 S2 O5 110.950 S2 C1 H6 107.252
S2 C1 H7 105.692 S2 C1 H8 105.692
S2 N3 H9 102.212 S2 N3 H10 102.212
N3 S2 O4 108.022 N3 S2 O5 108.022
O4 S2 O5 120.517 H6 C1 H7 112.719
H6 C1 H8 112.719 H7 C1 H8 112.124
H9 N3 H10 106.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.795      
2 S 1.204      
3 N -0.699      
4 O -0.506      
5 O -0.506      
6 H 0.241      
7 H 0.249      
8 H 0.249      
9 H 0.281      
10 H 0.281      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.668 2.284 0.000 2.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.898 -6.490 0.000
y -6.490 -36.700 0.000
z 0.000 0.000 -41.369
Traceless
 xyz
x 4.136 -6.490 0.000
y -6.490 1.434 0.000
z 0.000 0.000 -5.570
Polar
3z2-r2-11.140
x2-y21.801
xy-6.490
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.862 -0.369 0.000
y -0.369 6.466 0.000
z 0.000 0.000 6.478


<r2> (average value of r2) Å2
<r2> 139.420
(<r2>)1/2 11.808