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 C4H10O (Methyl propyl ether)

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-232.981435
Energy at 298.15K 
HF Energy-233.425191
Nuclear repulsion energy187.731456
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 PBEPBE/TZVP
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' 3051 3017 27.41      
2 A' 3045 3011 29.57      
3 A' 2975 2941 32.46      
4 A' 2966 2933 19.91      
5 A' 2894 2862 84.14      
6 A' 2862 2830 47.78      
7 A' 1479 1462 3.97      
8 A' 1460 1444 7.58      
9 A' 1451 1435 5.33      
10 A' 1443 1427 3.97      
11 A' 1427 1411 0.01      
12 A' 1378 1363 17.54      
13 A' 1366 1351 1.42      
14 A' 1292 1278 1.48      
15 A' 1185 1172 17.69      
16 A' 1117 1105 114.66      
17 A' 1094 1082 49.60      
18 A' 1035 1024 2.42      
19 A' 949 938 23.60      
20 A' 888 878 8.37      
21 A' 427 422 0.54      
22 A' 398 394 3.06      
23 A' 189 186 1.37      
24 A" 3036 3002 54.32      
25 A" 3008 2975 3.38      
26 A" 2936 2903 63.49      
27 A" 2887 2854 68.98      
28 A" 1454 1438 8.57      
29 A" 1429 1413 7.49      
30 A" 1274 1260 0.12      
31 A" 1227 1213 1.61      
32 A" 1156 1143 3.89      
33 A" 1128 1115 0.12      
34 A" 879 869 1.77      
35 A" 749 740 1.90      
36 A" 240 237 1.01      
37 A" 235 233 2.33      
38 A" 111 109 3.07      
39 A" 103 102 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 29109.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 28783.8 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 PBEPBE/TZVP
ABC
0.65887 0.07014 0.06659

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.333 0.646 0.000
O2 -1.278 -0.301 0.000
C3 0.000 0.325 0.000
C4 1.083 -0.743 0.000
C5 2.490 -0.143 0.000
H6 -3.276 0.084 0.000
H7 -2.303 1.295 0.898
H8 -2.303 1.295 -0.898
H9 0.106 0.978 0.893
H10 0.106 0.978 -0.893
H11 0.941 -1.385 -0.884
H12 0.941 -1.385 0.884
H13 2.661 0.485 0.888
H14 2.661 0.485 -0.888
H15 3.256 -0.931 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.41742.35483.68684.88681.09801.10831.10832.61812.61813.95293.95295.07445.07445.8073
O21.41741.42362.40183.77162.03482.09832.09832.08592.08592.62342.62344.11384.11384.5782
C32.35481.42361.52062.53353.28522.65492.65491.11171.11172.14292.14292.80962.80963.4902
C43.68682.40181.52061.52994.43654.05184.05182.17142.17141.10171.10172.18802.18802.1819
C54.88683.77162.53351.52995.77075.08345.08342.78212.78212.17312.17311.10121.10121.0993
H61.09802.03483.28524.43655.77071.79441.79443.61043.61044.55284.55286.01646.01646.6110
H71.10832.09832.65494.05185.08341.79441.79562.42893.01794.56944.20775.02895.33686.0549
H81.10832.09832.65494.05185.08341.79441.79563.01792.42894.20774.56945.33685.02896.0549
H92.61812.08591.11172.17142.78213.61042.42893.01791.78663.07292.50692.60233.15383.7909
H102.61812.08591.11172.17142.78213.61043.01792.42891.78662.50693.07293.15382.60233.7909
H113.95292.62342.14291.10172.17314.55284.56944.20773.07292.50691.76783.09752.54032.5193
H123.95292.62342.14291.10172.17314.55284.20774.56942.50693.07291.76782.54033.09752.5193
H135.07444.11382.80962.18801.10126.01645.02895.33682.60233.15383.09752.54031.77691.7745
H145.07444.11382.80962.18801.10126.01645.33685.02893.15382.60232.54033.09751.77691.7745
H155.80734.57823.49022.18191.09936.61106.05496.05493.79093.79092.51932.51931.77451.7745

picture of Methyl propyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.963 O2 C1 H6 107.305
O2 C1 H7 111.781 O2 C1 H8 111.781
O2 C3 C4 109.278 O2 C3 H9 110.112
O2 C3 H10 110.112 C3 C4 C5 112.300
C3 C4 H11 108.553 C3 C4 H12 108.553
C4 C3 H9 110.188 C4 C3 H10 110.188
C4 C5 H13 111.481 C4 C5 H14 111.481
C4 C5 H15 111.114 C5 C4 H11 110.274
C5 C4 H12 110.274 H6 C1 H7 108.844
H6 C1 H8 108.844 H7 C1 H8 108.213
H9 C3 H10 106.942 H11 C4 H12 106.703
H13 C5 H14 107.570 H13 C5 H15 107.494
H14 C5 H15 107.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.224      
2 O -0.215      
3 C -0.130      
4 C -0.167      
5 C -0.378      
6 H 0.139      
7 H 0.102      
8 H 0.102      
9 H 0.086      
10 H 0.086      
11 H 0.119      
12 H 0.119      
13 H 0.115      
14 H 0.115      
15 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.246 1.077 0.000 1.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.632 -2.289 0.000
y -2.289 -34.267 0.000
z 0.000 0.000 -33.627
Traceless
 xyz
x 2.315 -2.289 0.000
y -2.289 -1.638 0.000
z 0.000 0.000 -0.677
Polar
3z2-r2-1.354
x2-y22.635
xy-2.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.033 -0.425 0.000
y -0.425 7.851 0.000
z 0.000 0.000 7.593


<r2> (average value of r2) Å2
<r2> 182.663
(<r2>)1/2 13.515