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 C5H12O (Propane, 2-methoxy-2-methyl-)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-272.916470
Energy at 298.15K 
HF Energy-272.916470
Nuclear repulsion energy271.220243
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 wB97X-D/cc-pVDZ
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' 3159 3009 42.53      
2 A' 3156 3007 37.35      
3 A' 3152 3002 32.48      
4 A' 3147 2998 34.66      
5 A' 3070 2924 6.53      
6 A' 3063 2918 32.63      
7 A' 3021 2878 60.54      
8 A' 1533 1461 10.97      
9 A' 1518 1446 8.27      
10 A' 1504 1432 5.43      
11 A' 1495 1424 2.05      
12 A' 1477 1407 0.30      
13 A' 1435 1367 16.70      
14 A' 1414 1347 24.48      
15 A' 1302 1240 13.99      
16 A' 1258 1198 124.64      
17 A' 1212 1155 2.80      
18 A' 1160 1105 83.40      
19 A' 1052 1002 1.42      
20 A' 936 892 0.15      
21 A' 887 845 19.86      
22 A' 743 708 4.79      
23 A' 517 493 1.50      
24 A' 426 406 0.68      
25 A' 374 356 0.78      
26 A' 293 279 0.90      
27 A' 254 242 0.22      
28 A" 3154 3005 38.23      
29 A" 3151 3001 0.28      
30 A" 3143 2994 0.68      
31 A" 3082 2936 67.64      
32 A" 3062 2917 15.62      
33 A" 1517 1445 0.02      
34 A" 1496 1425 8.75      
35 A" 1489 1418 0.35      
36 A" 1477 1407 0.01      
37 A" 1407 1340 25.57      
38 A" 1270 1209 19.26      
39 A" 1168 1112 2.14      
40 A" 1041 992 2.15      
41 A" 960 914 0.03      
42 A" 923 879 0.02      
43 A" 469 447 6.35      
44 A" 350 333 1.31      
45 A" 277 264 1.21      
46 A" 214 204 1.70      
47 A" 142 135 3.11      
48 A" 104i 99i 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 36122.0 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 34409.8 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 wB97X-D/cc-pVDZ
ABC
0.14638 0.09124 0.09112

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.442 -1.033 0.000
C2 -0.140 0.374 0.000
C3 -1.520 1.033 0.000
C4 0.634 -1.944 0.000
H5 0.187 -2.941 0.000
H6 -1.430 2.124 0.000
C7 0.634 0.772 1.263
C8 0.634 0.772 -1.263
H9 1.264 -1.846 0.894
H10 1.264 -1.846 -0.894
H11 0.112 0.414 -2.155
H12 0.112 0.414 2.155
H13 0.718 1.861 1.324
H14 0.718 1.861 -1.324
H15 1.650 0.366 1.268
H16 1.650 0.366 -1.268
H17 -2.083 0.727 -0.886
H18 -2.083 0.727 0.886

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
O11.43852.33011.41012.00903.30762.45062.45062.09032.09032.65422.65423.38653.38652.81782.81782.56402.5640
C21.43851.52872.44433.33072.17391.53341.53342.77502.77502.17052.17052.16782.16782.19392.19392.16392.1639
C32.33011.52873.67484.32491.09432.51002.51004.10354.10352.77332.77332.72812.72813.47843.47841.09361.0936
C41.41012.44433.67481.09164.56202.99512.99511.09761.09763.23733.23734.02984.02982.82492.82493.91173.9117
H52.00903.33074.32491.09165.31653.94623.94621.77601.77603.98803.98805.00865.00863.83183.83184.40334.4033
H63.30762.17391.09434.56205.31652.77182.77184.88054.88053.15403.15402.53672.53673.76633.76631.77831.7783
C72.45061.53342.51002.99513.94622.77182.52502.71793.44953.47591.09431.09412.80771.09402.75683.46392.7429
C82.45061.53342.51002.99513.94622.77182.52503.44952.71791.09433.47592.80771.09412.75681.09402.74293.4639
H92.09032.77504.10351.09761.77604.88052.71793.44951.78703.96642.83353.77194.35422.27733.11734.58134.2216
H102.09032.77504.10351.09761.77604.88053.44952.71791.78702.83353.96644.35423.77193.11732.27734.22164.5813
H112.65422.17052.77333.23733.98803.15403.47591.09433.96642.83354.31083.81651.77513.75331.77652.55453.7636
H122.65422.17052.77333.23733.98803.15401.09433.47592.83353.96644.31081.77513.81651.77653.75333.76362.5545
H133.38652.16782.72814.02985.00862.53671.09412.80773.77194.35423.81651.77512.64791.76243.13383.74323.0527
H143.38652.16782.72814.02985.00862.53672.80771.09414.35423.77191.77513.81652.64793.13381.76243.05273.7432
H152.81782.19393.47842.82493.83183.76631.09402.75682.27733.11733.75331.77651.76243.13382.53594.32483.7696
H162.81782.19393.47842.82493.83183.76632.75681.09403.11732.27731.77653.75333.13381.76242.53593.76964.3248
H172.56402.16391.09363.91174.40331.77833.46392.74294.58134.22162.55453.76363.74323.05274.32483.76961.7721
H182.56402.16391.09363.91174.40331.77832.74293.46394.22164.58133.76362.55453.05273.74323.76964.32481.7721

picture of Propane, 2-methoxy-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 103.453 O1 C2 C7 111.054
O1 C2 C8 111.054 O1 C4 H5 106.148
O1 C4 H9 112.337 O1 C4 H10 112.337
C2 O1 C4 118.200 C2 C3 H6 110.856
C2 C3 H17 110.108 C2 C3 H18 110.108
C2 C7 H12 110.259 C2 C7 H13 110.056
C2 C7 H15 112.152 C2 C8 H11 110.259
C2 C8 H14 110.056 C2 C8 H16 112.152
C3 C2 C7 110.106 C3 C2 C8 110.106
H5 C4 H9 108.434 H5 C4 H10 108.434
H6 C3 H17 108.738 H6 C3 H18 108.738
C7 C2 C8 110.839 H9 C4 H10 108.982
H11 C8 H14 108.415 H11 C8 H16 108.541
H12 C7 H13 108.415 H12 C7 H15 108.541
H13 C7 H15 107.298 H14 C8 H16 107.298
H17 C3 H18 108.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.275      
2 C -0.101      
3 C -0.449      
4 C -0.178      
5 H 0.156      
6 H 0.150      
7 C -0.432      
8 C -0.432      
9 H 0.130      
10 H 0.130      
11 H 0.170      
12 H 0.170      
13 H 0.160      
14 H 0.160      
15 H 0.152      
16 H 0.152      
17 H 0.168      
18 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.255 0.561 0.000 1.374
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.643 -2.157 0.000
y -2.157 -38.365 0.000
z 0.000 0.000 -40.039
Traceless
 xyz
x -1.441 -2.157 0.000
y -2.157 1.976 0.000
z 0.000 0.000 -0.535
Polar
3z2-r2-1.069
x2-y2-2.278
xy-2.157
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.266 -0.405 0.000
y -0.405 10.003 0.000
z 0.000 0.000 9.271


<r2> (average value of r2) Å2
<r2> 179.780
(<r2>)1/2 13.408