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All results from a given calculation for CH3SO2NH2 (methanesulfonamide)

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-59.501844
Energy at 298.15K-59.508758
HF Energy-59.026862
Nuclear repulsion energy101.906031
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 MP2/CEP-31G
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' 3441 3325 28.44      
2 A' 3240 3131 1.27      
3 A' 3080 2976 7.66      
4 A' 1610 1556 42.70      
5 A' 1456 1407 12.07      
6 A' 1385 1339 0.04      
7 A' 1039 1004 21.14      
8 A' 909 879 184.54      
9 A' 811 783 40.57      
10 A' 647 625 65.87      
11 A' 561 542 133.41      
12 A' 356 344 54.39      
13 A' 324 313 18.38      
14 A' 231 223 6.30      
15 A" 3601 3480 33.75      
16 A" 3247 3137 1.29      
17 A" 1465 1415 10.35      
18 A" 1128 1090 44.55      
19 A" 1025 991 15.63      
20 A" 912 882 103.71      
21 A" 296 286 4.89      
22 A" 255 246 11.85      
23 A" 187 180 47.03      
24 A" 170 164 3.97      

Unscaled Zero Point Vibrational Energy (zpe) 15687.2 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 15158.6 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 MP2/CEP-31G
ABC
0.12643 0.12421 0.11897

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.567 1.711 0.000
S2 -0.112 -0.135 0.000
N3 1.722 -0.065 0.000
O4 -0.567 -0.789 1.441
O5 -0.567 -0.789 -1.441
H6 -1.670 1.744 0.000
H7 -0.128 2.134 0.920
H8 -0.128 2.134 -0.920
H9 2.067 -0.515 0.866
H10 2.067 -0.515 -0.866

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.90172.89772.88632.88631.10401.10331.10333.55573.5557
S21.90171.83611.64651.64652.44072.44832.44832.37602.3760
N32.89771.83612.80002.80003.84473.01733.01731.03471.0347
O42.88631.64652.80002.88223.11633.00143.78312.71003.5122
O52.88631.64652.80002.88223.11633.78313.00143.51222.7100
H61.10402.44073.84473.11633.11631.83791.83794.45184.4518
H71.10332.44833.01733.00143.78311.83791.83993.44003.8756
H81.10332.44833.01733.78313.00141.83791.83993.87563.4400
H93.55572.37601.03472.71003.51224.45183.44003.87561.7317
H103.55572.37601.03473.51222.71004.45183.87563.44001.7317

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 101.641 C1 S2 O4 108.659
C1 S2 O5 108.659 S2 C1 H6 105.494
S2 C1 H7 106.054 S2 C1 H8 106.054
S2 N3 H9 108.468 S2 N3 H10 108.468
N3 S2 O4 106.901 N3 S2 O5 106.901
O4 S2 O5 122.149 H6 C1 H7 112.744
H6 C1 H8 112.744 H7 C1 H8 112.977
H9 N3 H10 113.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability