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: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-233.392748
Energy at 298.15K 
HF Energy-232.506642
Nuclear repulsion energy190.460387
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 LSDA/cc-pVTZ
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' 3056 3022 15.93      
2 A' 3051 3017 17.09      
3 A' 2970 2938 31.66      
4 A' 2963 2930 8.37      
5 A' 2881 2849 70.32      
6 A' 2840 2809 48.31      
7 A' 1452 1436 8.25      
8 A' 1432 1417 12.45      
9 A' 1424 1409 3.87      
10 A' 1414 1398 4.12      
11 A' 1403 1388 2.20      
12 A' 1361 1346 11.03      
13 A' 1344 1329 7.73      
14 A' 1271 1257 3.06      
15 A' 1208 1195 155.83      
16 A' 1177 1165 22.97      
17 A' 1106 1094 5.19      
18 A' 1068 1056 3.89      
19 A' 1012 1001 23.51      
20 A' 891 881 9.16      
21 A' 440 436 0.83      
22 A' 402 397 3.02      
23 A' 186 184 1.16      
24 A" 3037 3004 30.57      
25 A" 3007 2975 4.04      
26 A" 2924 2893 46.80      
27 A" 2862 2831 67.63      
28 A" 1423 1407 11.06      
29 A" 1402 1387 10.88      
30 A" 1251 1237 0.29      
31 A" 1210 1197 2.61      
32 A" 1152 1139 4.48      
33 A" 1125 1113 0.06      
34 A" 863 854 1.91      
35 A" 739 731 3.19      
36 A" 242 240 2.31      
37 A" 238 235 0.30      
38 A" 114 113 2.66      
39 A" 106 105 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 29022.3 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 28706.0 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 LSDA/cc-pVTZ
ABC
0.66279 0.07295 0.06916

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.269 0.679 0.000
O2 -1.264 -0.282 0.000
C3 0.000 0.304 0.000
C4 1.052 -0.759 0.000
C5 2.437 -0.169 0.000
H6 -3.238 0.163 0.000
H7 -2.210 1.331 0.896
H8 -2.210 1.331 -0.896
H9 0.118 0.963 0.891
H10 0.118 0.963 -0.891
H11 0.900 -1.401 -0.882
H12 0.900 -1.401 0.882
H13 2.602 0.462 0.887
H14 2.602 0.462 -0.887
H15 3.212 -0.947 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.38932.29933.61874.78131.09781.10931.10932.56302.56303.89123.89124.95514.95515.7162
O21.38931.39362.36553.70322.02252.07262.07262.06222.06222.59142.59144.03584.03584.5253
C32.29931.39361.49602.48253.24062.59622.59621.11421.11422.12042.12042.75322.75323.4467
C43.61872.36551.49601.50534.38773.97653.97652.15232.15231.10181.10182.16312.16312.1675
C54.78133.70322.48251.50535.68424.96464.96462.73022.73022.15882.15881.10081.10081.0980
H61.09782.02253.24064.38775.68421.79501.79503.56253.56254.51004.51005.91385.91386.5439
H71.10932.07262.59623.97654.96461.79501.79112.35672.95744.50504.13934.88975.20435.9486
H81.10932.07262.59623.97654.96461.79501.79112.95742.35674.13934.50505.20434.88975.9486
H92.56302.06221.11422.15232.73023.56252.35672.95741.78223.05692.48992.53403.09543.7435
H102.56302.06221.11422.15232.73023.56252.95742.35671.78222.48993.05693.09542.53403.7435
H113.89122.59142.12041.10182.15884.51004.50504.13933.05692.48991.76463.08202.52392.5159
H123.89122.59142.12041.10182.15884.51004.13934.50502.48993.05691.76462.52393.08202.5159
H134.95514.03582.75322.16311.10085.91384.88975.20432.53403.09543.08202.52391.77321.7733
H144.95514.03582.75322.16311.10085.91385.20434.88973.09542.53402.52393.08201.77321.7733
H155.71624.52533.44672.16751.09806.54395.94865.94863.74353.74352.51592.51591.77331.7733

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 111.421 O2 C1 H6 108.244
O2 C1 H7 111.604 O2 C1 H8 111.604
O2 C3 C4 109.842 O2 C3 H9 110.134
O2 C3 H10 110.134 C3 C4 C5 111.616
C3 C4 H11 108.467 C3 C4 H12 108.467
C4 C3 H9 110.230 C4 C3 H10 110.230
C4 C5 H13 111.257 C4 C5 H14 111.257
C4 C5 H15 111.781 C5 C4 H11 110.850
C5 C4 H12 110.850 H6 C1 H7 108.832
H6 C1 H8 108.832 H7 C1 H8 107.660
H9 C3 H10 106.214 H11 C4 H12 106.407
H13 C5 H14 107.303 H13 C5 H15 107.510
H14 C5 H15 107.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.155      
2 O -0.213      
3 C -0.001      
4 C -0.222      
5 C -0.364      
6 H 0.117      
7 H 0.067      
8 H 0.067      
9 H 0.057      
10 H 0.057      
11 H 0.121      
12 H 0.121      
13 H 0.111      
14 H 0.111      
15 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.253 0.894 0.000 0.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.682 -2.059 0.000
y -2.059 -34.124 0.000
z 0.000 0.000 -33.596
Traceless
 xyz
x 2.178 -2.059 0.000
y -2.059 -1.485 0.000
z 0.000 0.000 -0.693
Polar
3z2-r2-1.386
x2-y22.442
xy-2.059
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.243 -0.530 0.000
y -0.530 8.040 0.000
z 0.000 0.000 7.661


<r2> (average value of r2) Å2
<r2> 176.969
(<r2>)1/2 13.303