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 C(CH3)3SH (2-Propanethiol, 2-methyl-)

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-552.484933
Energy at 298.15K-552.495808
HF Energy-551.991514
Nuclear repulsion energy240.267850
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 QCISD/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' 3106 3010 20.03      
2 A' 3089 2994 22.31      
3 A' 3079 2984 32.62      
4 A' 3024 2931 18.03      
5 A' 3017 2924 23.08      
6 A' 2361 2289 40.96      
7 A' 1586 1537 9.22      
8 A' 1575 1526 11.05      
9 A' 1563 1515 0.43      
10 A' 1492 1447 1.15      
11 A' 1468 1423 14.95      
12 A' 1285 1245 1.29      
13 A' 1247 1208 43.44      
14 A' 1097 1064 1.27      
15 A' 963 933 2.34      
16 A' 856 829 5.89      
17 A' 815 790 2.44      
18 A' 565 547 5.69      
19 A' 399 387 1.08      
20 A' 365 353 0.36      
21 A' 303 294 0.25      
22 A' 288 279 1.47      
23 A" 3105 3009 26.62      
24 A" 3099 3004 1.80      
25 A" 3074 2979 0.77      
26 A" 3013 2921 11.49      
27 A" 1576 1527 7.90      
28 A" 1561 1513 0.63      
29 A" 1555 1507 0.01      
30 A" 1470 1424 11.29      
31 A" 1277 1238 5.58      
32 A" 1088 1055 0.06      
33 A" 1027 995 0.02      
34 A" 953 924 0.58      
35 A" 403 390 0.37      
36 A" 305 295 1.59      
37 A" 288 279 0.00      
38 A" 264 256 5.94      
39 A" 230 223 18.37      

Unscaled Zero Point Vibrational Energy (zpe) 28913.8 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 28023.2 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 QCISD/3-21G
ABC
0.14627 0.09501 0.09416

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.378 -0.004 0.000
S2 -1.549 0.085 0.000
C3 0.858 1.467 0.000
C4 0.858 -0.735 1.274
C5 0.858 -0.735 -1.274
H6 -1.752 -1.285 0.000
H7 1.958 1.485 0.000
H8 0.494 1.993 -0.894
H9 0.494 1.993 0.894
H10 1.959 -0.753 1.292
H11 1.959 -0.753 -1.292
H12 0.492 -0.220 2.173
H13 0.492 -1.773 1.289
H14 0.492 -0.220 -2.173
H15 0.492 -1.773 -1.289

Atom - Atom Distances (Å)
  C1 S2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.92971.54781.54531.54532.48532.17102.19132.19132.17472.17472.18622.19172.18622.1917
S21.92972.77562.84412.84411.38433.77652.93542.93543.83153.83152.99653.04662.99653.0466
C31.54782.77562.54472.54473.79241.10091.09911.09912.79532.79532.77523.50652.77523.5065
C41.54532.84412.54472.54872.95542.78643.50392.77821.10182.79311.09811.10023.50432.7898
C51.54532.84412.54472.54872.95542.78642.77823.50392.79311.10183.50432.78981.09811.1002
H62.48531.38433.79242.95542.95544.62964.07264.07263.96533.96533.29952.63393.29952.6339
H72.17103.77651.10092.78642.78644.62961.78921.78922.58412.58413.12683.79793.12683.7979
H82.19132.93541.09913.50392.77824.07261.78921.78903.80353.13733.78204.35312.55543.7863
H92.19132.93541.09912.77823.50394.07261.78921.78903.13733.80352.55543.78633.78204.3531
H102.17473.83152.79531.10182.79313.96532.58413.80353.13732.58471.79211.78663.80033.1397
H112.17473.83152.79532.79311.10183.96532.58413.13733.80352.58473.80033.13971.79211.7866
H122.18622.99652.77521.09813.50433.29953.12683.78202.55541.79213.80031.78634.34513.7942
H132.19173.04663.50651.10022.78982.63393.79794.35313.78631.78663.13971.78633.79422.5789
H142.18622.99652.77523.50431.09813.29953.12682.55543.78203.80031.79214.34513.79421.7863
H152.19173.04663.50652.78981.10022.63393.79793.78634.35313.13971.78663.79422.57891.7863

picture of 2-Propanethiol, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.767 C1 C3 H7 108.936
C1 C3 H8 110.622 C1 C3 H9 110.622
C1 C4 H10 109.336 C1 C4 H12 110.449
C1 C4 H13 110.764 C1 C5 H11 109.336
C1 C5 H14 110.449 C1 C5 H15 110.764
S2 C1 C3 105.386 S2 C1 C4 109.368
S2 C1 C5 109.368 C3 C1 C4 110.719
C3 C1 C5 110.719 C4 C1 C5 111.111
H7 C3 H8 108.837 H7 C3 H9 108.837
H8 C3 H9 108.946 H10 C4 H12 109.094
H10 C4 H13 108.454 H11 C5 H14 109.094
H11 C5 H15 108.454 H12 C4 H13 108.700
H14 C5 H15 108.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability