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 C5H12S (Butane, 1-(methylthio)-)

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-45.104383
Energy at 298.15K-45.117104
HF Energy-44.360227
Nuclear repulsion energy133.611980
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' 3205 3042 14.26      
2 A' 3179 3018 41.87      
3 A' 3093 2937 60.36      
4 A' 3086 2930 12.51      
5 A' 3085 2929 31.41      
6 A' 3081 2925 54.23      
7 A' 3080 2924 14.73      
8 A' 1534 1457 6.57      
9 A' 1523 1446 0.74      
10 A' 1518 1441 0.95      
11 A' 1513 1436 1.15      
12 A' 1509 1432 10.33      
13 A' 1447 1374 3.75      
14 A' 1433 1361 4.12      
15 A' 1402 1331 4.34      
16 A' 1366 1297 9.57      
17 A' 1277 1212 15.74      
18 A' 1148 1090 2.42      
19 A' 1105 1049 0.88      
20 A' 1063 1009 0.54      
21 A' 1006 955 7.75      
22 A' 920 873 1.83      
23 A' 802 761 1.99      
24 A' 754 716 1.89      
25 A' 423 402 0.46      
26 A' 319 303 0.64      
27 A' 237 225 0.01      
28 A' 115 110 1.06      
29 A" 3192 3030 17.17      
30 A" 3183 3022 94.26      
31 A" 3168 3008 39.99      
32 A" 3149 2990 0.93      
33 A" 3140 2981 5.22      
34 A" 1529 1451 8.65      
35 A" 1493 1417 8.96      
36 A" 1360 1291 0.15      
37 A" 1335 1267 0.60      
38 A" 1254 1191 0.44      
39 A" 1103 1047 0.84      
40 A" 1003 952 5.47      
41 A" 947 899 1.21      
42 A" 808 767 0.17      
43 A" 750 712 6.12      
44 A" 247 235 0.03      
45 A" 171 162 0.56      
46 A" 135 128 0.04      
47 A" 93 88 0.66      
48 A" 56 53 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 36167.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 34337.4 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
0.35694 0.03133 0.02962

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 -1.420 -2.979 0.000
C2 -1.425 -1.433 0.000
C3 1.336 3.113 0.000
S4 1.718 1.326 0.000
C5 0.000 0.689 0.000
C6 0.007 -0.853 0.000
H7 2.298 3.653 0.000
H8 -2.449 -3.382 0.000
H9 -0.898 -3.367 0.893
H10 -0.898 -3.367 -0.893
H11 -1.969 -1.063 0.890
H12 -1.969 -1.063 -0.890
H13 0.767 3.395 0.902
H14 0.767 3.395 -0.902
H15 0.551 -1.219 -0.891
H16 0.551 -1.219 0.891
H17 -0.527 1.064 -0.898
H18 -0.527 1.064 0.898

Atom - Atom Distances (Å)
  C1 C2 C3 S4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.54576.68665.32733.93302.56027.60291.10481.10521.10522.18282.18286.79886.79882.78862.78864.23644.2364
C21.54575.31924.18242.55601.54456.30302.20112.19472.19471.10711.10715.37875.37872.17802.17802.80142.8014
C36.68665.31921.82772.76834.18321.10257.51736.91306.91305.39995.39991.10351.10354.49204.49202.91182.9118
S45.32734.18241.82771.83272.77092.39826.28705.44725.44724.48284.48282.44962.44962.93832.93832.43232.4323
C53.93302.55602.76831.83271.54193.75054.75034.24954.24952.78182.78182.95402.95402.17652.17651.10671.1067
C62.56021.54454.18322.77091.54195.05513.52462.81762.81762.17712.17714.40894.40891.10661.10662.18292.1829
H77.60296.30301.10252.39823.75055.05518.48627.76537.76536.42176.42171.79541.79545.25195.25193.93573.9357
H81.10482.20117.51736.28704.75033.52468.48621.78961.78962.52962.52967.55517.55513.80393.80394.92564.9256
H91.10522.19476.91305.44724.24952.81767.76531.78961.78702.54113.10456.96457.19233.14682.59154.79404.4466
H101.10522.19476.91305.44724.24952.81767.76531.78961.78703.10452.54117.19236.96452.59153.14684.44664.7940
H112.18281.10715.39994.48282.78182.17716.42172.52962.54113.10451.78025.23075.52923.09002.52473.13062.5696
H122.18281.10715.39994.48282.78182.17716.42172.52963.10452.54111.78025.52925.23072.52473.09002.56963.1306
H136.79885.37871.10352.44962.95404.40891.79547.55516.96457.19235.23075.52921.80454.95504.61903.21732.6664
H146.79885.37871.10352.44962.95404.40891.79547.55517.19236.96455.52925.23071.80454.61904.95502.66643.2173
H152.78862.17804.49202.93832.17651.10665.25193.80393.14682.59153.09002.52474.95504.61901.78292.52413.0942
H162.78862.17804.49202.93832.17651.10665.25193.80392.59153.14682.52473.09004.61904.95501.78293.09422.5241
H174.23642.80142.91182.43231.10672.18293.93574.92564.79404.44663.13062.56963.21732.66642.52413.09421.7963
H184.23642.80142.91182.43231.10672.18293.93574.92564.44664.79402.56963.13062.66643.21733.09422.52411.7963

picture of Butane, 1-(methylthio)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 111.885 C1 C2 H11 109.633
C1 C2 H12 109.633 C2 C1 H8 111.202
C2 C1 H9 110.670 C2 C1 H10 110.670
C2 C6 C5 111.816 C2 C6 H15 109.364
C2 C6 H16 109.364 C3 S4 C5 98.279
S4 C3 H7 107.258 S4 C3 H13 110.955
S4 C3 H14 110.955 S4 C5 C6 110.094
S4 C5 H17 109.184 S4 C5 H18 109.184
C5 C6 H15 109.430 C5 C6 H16 109.430
C6 C2 H11 109.268 C6 C2 H12 109.268
C6 C5 H17 109.923 C6 C5 H18 109.923
H7 C3 H13 108.954 H7 C3 H14 108.954
H8 C1 H9 108.145 H8 C1 H10 108.145
H9 C1 H10 107.889 H11 C2 H12 107.030
H13 C3 H14 109.693 H15 C6 H16 107.331
H17 C5 H18 108.503
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability