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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-60.098499
Energy at 298.15K-60.106244
HF Energy-59.325865
Nuclear repulsion energy109.386663
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' 3511 3333 35.85      
2 A' 3244 3080 2.20      
3 A' 3115 2958 3.45      
4 A' 1641 1557 48.73      
5 A' 1479 1404 7.00      
6 A' 1389 1319 12.69      
7 A' 1139 1082 207.61      
8 A' 1015 964 20.46      
9 A' 912 866 90.91      
10 A' 761 723 160.09      
11 A' 723 686 99.71      
12 A' 488 463 52.29      
13 A' 460 437 14.21      
14 A' 292 278 4.98      
15 A" 3633 3449 42.60      
16 A" 3254 3089 2.28      
17 A" 1480 1405 2.31      
18 A" 1346 1278 257.92      
19 A" 1123 1066 9.66      
20 A" 1001 950 1.37      
21 A" 388 368 0.03      
22 A" 324 308 3.83      
23 A" 229 217 3.47      
24 A" 173 164 52.36      

Unscaled Zero Point Vibrational Energy (zpe) 16558.7 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 15720.9 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
0.15097 0.14174 0.13912

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 -1.692 -0.040 0.000
S2 0.108 -0.142 0.000
N3 0.535 1.515 0.000
O4 0.535 -0.712 1.298
O5 0.535 -0.712 -1.298
H6 -2.064 -1.076 0.000
H7 -2.007 0.493 0.909
H8 -2.007 0.493 -0.909
H9 1.095 1.698 0.841
H10 1.095 1.698 -0.841

Atom - Atom Distances (Å)
  C1 S2 N3 O4 O5 H6 H7 H8 H9 H10
C11.80232.71612.66352.66351.10131.10001.10003.39023.3902
S21.80231.71131.48031.48032.36462.38762.38762.25122.2512
N32.71611.71132.57742.57743.67062.88652.88651.02701.0270
O42.66351.48032.57742.59512.92832.83983.57532.51573.2705
O52.66351.48032.57742.59512.92833.57532.83983.27052.5157
H61.10132.36463.67062.92832.92831.81461.81464.28794.2879
H71.10002.38762.88652.83983.57531.81461.81823.32813.7598
H81.10002.38762.88653.57532.83981.81461.81823.75983.3281
H93.39022.25121.02702.51573.27054.28793.32813.75981.6829
H103.39022.25121.02703.27052.51574.28793.75983.32811.6829

picture of methanesulfonamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 N3 101.222 C1 S2 O4 108.068
C1 S2 O5 108.068 S2 C1 H6 106.543
S2 C1 H7 108.261 S2 C1 H8 108.261
S2 N3 H9 107.977 S2 N3 H10 107.977
N3 S2 O4 107.496 N3 S2 O5 107.496
O4 S2 O5 122.459 H6 C1 H7 111.048
H6 C1 H8 111.048 H7 C1 H8 111.475
H9 N3 H10 110.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability