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-121G*

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-121G*
 hartrees
Energy at 0K-45.176588
Energy at 298.15K-45.189273
HF Energy-44.377282
Nuclear repulsion energy134.183021
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-121G*
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' 3187 3036 11.42      
2 A' 3158 3008 39.99      
3 A' 3068 2923 51.46      
4 A' 3066 2921 53.10      
5 A' 3061 2916 18.99      
6 A' 3058 2914 28.90      
7 A' 3055 2911 10.86      
8 A' 1547 1474 6.21      
9 A' 1533 1461 1.54      
10 A' 1525 1453 0.25      
11 A' 1524 1452 2.35      
12 A' 1518 1447 11.47      
13 A' 1446 1378 3.43      
14 A' 1429 1361 3.11      
15 A' 1410 1343 5.96      
16 A' 1364 1299 9.48      
17 A' 1275 1215 12.94      
18 A' 1141 1087 2.30      
19 A' 1096 1044 0.90      
20 A' 1053 1004 0.41      
21 A' 1005 957 5.18      
22 A' 913 870 1.21      
23 A' 800 762 1.93      
24 A' 750 715 2.05      
25 A' 424 404 0.61      
26 A' 320 305 0.59      
27 A' 239 228 0.00      
28 A' 117 111 0.93      
29 A" 3169 3020 13.52      
30 A" 3158 3009 70.22      
31 A" 3138 2990 39.38      
32 A" 3117 2970 0.21      
33 A" 3107 2960 4.28      
34 A" 1537 1465 8.39      
35 A" 1503 1432 10.44      
36 A" 1349 1285 0.57      
37 A" 1327 1264 0.51      
38 A" 1254 1195 0.03      
39 A" 1100 1048 0.94      
40 A" 1000 953 2.55      
41 A" 938 894 0.64      
42 A" 804 766 0.15      
43 A" 740 705 3.26      
44 A" 248 236 0.03      
45 A" 159 151 0.59      
46 A" 121 115 0.03      
47 A" 92 87 0.51      
48 A" 46 44 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 35991.4 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 34292.6 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-121G*
ABC
0.36114 0.03148 0.02977

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.422 -2.969 0.000
C2 -1.421 -1.431 0.000
C3 1.339 3.106 0.000
S4 1.715 1.320 0.000
C5 0.000 0.686 0.000
C6 0.004 -0.849 0.000
H7 2.292 3.640 0.000
H8 -2.443 -3.366 0.000
H9 -0.908 -3.357 0.887
H10 -0.908 -3.357 -0.887
H11 -1.960 -1.062 0.883
H12 -1.960 -1.062 -0.883
H13 0.776 3.387 0.895
H14 0.776 3.387 -0.895
H15 0.544 -1.211 -0.885
H16 0.544 -1.211 0.885
H17 -0.521 1.060 -0.892
H18 -0.521 1.060 0.892

Atom - Atom Distances (Å)
  C1 C2 C3 S4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.53856.67275.31423.92232.55507.58151.09551.09601.09602.16912.16916.78436.78432.78182.78184.22334.2233
C21.53855.30954.17132.54931.53846.28472.18902.18162.18161.09851.09855.36945.36942.16572.16572.79372.7937
C36.67275.30951.82452.76504.17391.09327.49576.89896.89895.38835.38831.09431.09434.47764.47762.90522.9052
S45.31424.17131.82451.82852.76312.39066.26525.43505.43504.46814.46812.44002.44002.92622.92622.42142.4214
C53.92232.54932.76501.82851.53533.73904.73194.23754.23752.77122.77122.94872.94872.16312.16311.09801.0980
C62.55501.53844.17392.76311.53535.03893.51042.81172.81172.16382.16384.39744.39741.09811.09812.17092.1709
H77.58156.28471.09322.39063.73905.03898.45657.74497.74496.40136.40131.77941.77945.23215.23213.92043.9204
H81.09552.18907.49576.26524.73193.51048.45651.77321.77322.51412.51417.53407.53403.78813.78814.90674.9067
H91.09602.18166.89895.43504.23752.81177.74491.77321.77332.52443.08296.95037.17513.13822.59054.77664.4332
H101.09602.18166.89895.43504.23752.81177.74491.77321.77333.08292.52447.17516.95032.59053.13824.43324.7766
H112.16911.09855.38834.46812.77122.16386.40132.51412.52443.08291.76605.22285.51723.06882.50863.11802.5638
H122.16911.09855.38834.46812.77122.16386.40132.51413.08292.52441.76605.51725.22282.50863.06882.56383.1180
H136.78435.36941.09432.44002.94874.39741.77947.53406.95037.17515.22285.51721.79044.93574.60363.20762.6640
H146.78435.36941.09432.44002.94874.39741.77947.53407.17516.95035.51725.22281.79044.60364.93572.66403.2076
H152.78182.16574.47762.92622.16311.09815.23213.78813.13822.59053.06882.50864.93574.60361.76942.50813.0734
H162.78182.16574.47762.92622.16311.09815.23213.78812.59053.13822.50863.06884.60364.93571.76943.07342.5081
H174.22332.79372.90522.42141.09802.17093.92044.90674.77664.43323.11802.56383.20762.66402.50813.07341.7830
H184.22332.79372.90522.42141.09802.17093.92044.90674.43324.77662.56383.11802.66403.20763.07342.50811.7830

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 112.278 C1 C2 H11 109.561
C1 C2 H12 109.561 C2 C1 H8 111.310
C2 C1 H9 110.686 C2 C1 H10 110.686
C2 C6 C5 112.080 C2 C6 H15 109.317
C2 C6 H16 109.317 C3 S4 C5 98.386
S4 C3 H7 107.372 S4 C3 H13 110.940
S4 C3 H14 110.940 S4 C5 C6 110.151
S4 C5 H17 109.104 S4 C5 H18 109.104
C5 C6 H15 109.331 C5 C6 H16 109.331
C6 C2 H11 109.150 C6 C2 H12 109.150
C6 C5 H17 109.943 C6 C5 H18 109.943
H7 C3 H13 108.866 H7 C3 H14 108.866
H8 C1 H9 108.021 H8 C1 H10 108.021
H9 C1 H10 107.993 H11 C2 H12 106.999
H13 C3 H14 109.781 H15 C6 H16 107.348
H17 C5 H18 108.565
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability