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: PBE1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A'
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-233.362497
Energy at 298.15K 
HF Energy-233.403167
Nuclear repulsion energy188.837963
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 PBE1PBE/aug-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' 3150 3029 26.61      
2 A' 3140 3019 29.49      
3 A' 3065 2947 25.58      
4 A' 3049 2931 28.22      
5 A' 2992 2877 81.06      
6 A' 2965 2852 44.55      
7 A' 1497 1440 6.56      
8 A' 1480 1423 4.83      
9 A' 1473 1416 6.54      
10 A' 1466 1409 2.51      
11 A' 1451 1395 0.49      
12 A' 1410 1356 12.65      
13 A' 1391 1338 4.54      
14 A' 1313 1263 2.96      
15 A' 1228 1180 62.44      
16 A' 1191 1145 124.32      
17 A' 1128 1085 9.10      
18 A' 1080 1039 3.08      
19 A' 1008 969 22.72      
20 A' 911 876 6.30      
21 A' 442 425 0.67      
22 A' 410 394 2.87      
23 A' 193 186 1.28      
24 A" 3131 3011 56.04      
25 A" 3106 2986 2.05      
26 A" 3049 2932 54.35      
27 A" 3000 2885 57.32      
28 A" 1472 1415 7.43      
29 A" 1458 1402 8.50      
30 A" 1300 1250 0.28      
31 A" 1254 1206 1.85      
32 A" 1183 1138 4.50      
33 A" 1156 1111 0.22      
34 A" 890 856 1.29      
35 A" 755 726 1.81      
36 A" 238 229 0.92      
37 A" 226 218 2.38      
38 A" 108 104 2.88      
39 A" 105 101 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 29930.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 28780.8 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 PBE1PBE/aug-cc-pVDZ
ABC
0.66633 0.07102 0.06745

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.314 0.653 0.000
O2 -1.271 -0.287 0.000
C3 0.000 0.324 0.000
C4 1.070 -0.746 0.000
C5 2.474 -0.157 0.000
H6 -3.259 0.097 0.000
H7 -2.277 1.299 0.896
H8 -2.277 1.299 -0.896
H9 0.106 0.974 0.891
H10 0.106 0.974 -0.891
H11 0.925 -1.387 -0.882
H12 0.925 -1.387 0.882
H13 2.647 0.469 0.888
H14 2.647 0.469 -0.888
H15 3.234 -0.949 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.40412.33703.66204.85611.09611.10521.10522.59842.59843.92803.92805.04315.04315.7747
O21.40411.40982.38563.74712.02472.08082.08082.06872.06872.60952.60954.08754.08754.5532
C32.33701.40981.51372.52063.26642.63392.63391.10821.10822.13562.13562.79582.79583.4758
C43.66202.38561.51371.52244.41044.02364.02362.16462.16461.09971.09972.17952.17952.1733
C54.85613.74712.52061.52245.73845.04945.04942.77202.77202.16542.16541.09971.09971.0977
H61.09612.02473.26644.41045.73841.79171.79173.58923.58924.52604.52605.98365.98366.5765
H71.10522.08082.63394.02365.04941.79171.79232.40472.99604.54174.17914.99365.30266.0190
H81.10522.08082.63394.02365.04941.79171.79232.99602.40474.17914.54175.30264.99366.0190
H92.59842.06871.10822.16462.77203.58922.40472.99601.78183.06442.49932.59123.14283.7791
H102.59842.06871.10822.16462.77203.58922.99602.40471.78182.49933.06443.14282.59123.7791
H113.92802.60952.13561.09972.16544.52604.54174.17913.06442.49931.76453.08852.53112.5101
H123.92802.60952.13561.09972.16544.52604.17914.54172.49933.06441.76452.53113.08852.5101
H135.04314.08752.79582.17951.09975.98364.99365.30262.59123.14283.08852.53111.77521.7728
H145.04314.08752.79582.17951.09975.98365.30264.99363.14282.59122.53113.08851.77521.7728
H155.77474.55323.47582.17331.09776.57656.01906.01903.77913.77912.51012.51011.77281.7728

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 112.308 O2 C1 H6 107.522
O2 C1 H7 111.490 O2 C1 H8 111.490
O2 C3 C4 109.325 O2 C3 H9 109.905
O2 C3 H10 109.905 C3 C4 C5 112.238
C3 C4 H11 108.564 C3 C4 H12 108.564
C4 C3 H9 110.337 C4 C3 H10 110.337
C4 C5 H13 111.419 C4 C5 H14 111.419
C4 C5 H15 111.050 C5 C4 H11 110.302
C5 C4 H12 110.302 H6 C1 H7 108.963
H6 C1 H8 108.963 H7 C1 H8 108.357
H9 C3 H10 107.007 H11 C4 H12 106.689
H13 C5 H14 107.631 H13 C5 H15 107.563
H14 C5 H15 107.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.732      
2 O -0.580      
3 C 0.846      
4 C 0.514      
5 C 0.424      
6 H -0.317      
7 H -0.088      
8 H -0.088      
9 H -0.296      
10 H -0.296      
11 H -0.227      
12 H -0.227      
13 H -0.124      
14 H -0.124      
15 H -0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.294 1.023 0.000 1.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.733 -2.161 0.000
y -2.161 -33.991 0.000
z 0.000 0.000 -33.236
Traceless
 xyz
x 1.880 -2.161 0.000
y -2.161 -1.506 0.000
z 0.000 0.000 -0.374
Polar
3z2-r2-0.748
x2-y22.258
xy-2.161
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.366 -0.447 0.000
y -0.447 8.200 0.000
z 0.000 0.000 7.685


<r2> (average value of r2) Å2
<r2> 180.571
(<r2>)1/2 13.438