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: B2PLYP/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 B2PLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-233.252182
Energy at 298.15K 
HF Energy-233.165080
Nuclear repulsion energy187.929844
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 B2PLYP/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' 3152 3152 27.86      
2 A' 3131 3131 33.67      
3 A' 3065 3065 25.42      
4 A' 3048 3048 29.91      
5 A' 2999 2999 80.74      
6 A' 2973 2973 44.25      
7 A' 1511 1511 4.38      
8 A' 1496 1496 3.35      
9 A' 1488 1488 5.89      
10 A' 1481 1481 2.12      
11 A' 1461 1461 0.07      
12 A' 1416 1416 15.67      
13 A' 1403 1403 1.65      
14 A' 1324 1324 3.49      
15 A' 1223 1223 26.06      
16 A' 1157 1157 124.08      
17 A' 1122 1122 42.16      
18 A' 1066 1066 2.57      
19 A' 976 976 22.57      
20 A' 908 908 6.33      
21 A' 438 438 0.58      
22 A' 410 410 3.18      
23 A' 194 194 1.34      
24 A" 3126 3126 63.74      
25 A" 3103 3103 0.62      
26 A" 3053 3053 55.77      
27 A" 3008 3008 55.44      
28 A" 1488 1488 6.31      
29 A" 1475 1475 7.02      
30 A" 1310 1310 0.25      
31 A" 1262 1262 1.40      
32 A" 1189 1189 5.13      
33 A" 1161 1161 0.50      
34 A" 897 897 1.15      
35 A" 761 761 1.10      
36 A" 238 238 1.17      
37 A" 226 226 2.26      
38 A" 107 107 1.36      
39 A" 105 105 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 29973.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 29973.1 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 B2PLYP/aug-cc-pVDZ
ABC
0.66023 0.07026 0.06672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.337 0.632 0.000
O2 -1.274 -0.306 0.000
C3 0.000 0.327 0.000
C4 1.085 -0.739 0.000
C5 2.489 -0.128 0.000
H6 -3.273 0.064 0.000
H7 -2.302 1.276 0.897
H8 -2.302 1.276 -0.897
H9 0.095 0.976 0.892
H10 0.095 0.976 -0.892
H11 0.947 -1.378 -0.884
H12 0.947 -1.378 0.884
H13 2.652 0.499 0.889
H14 2.652 0.499 -0.889
H15 3.258 -0.912 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.41762.35653.68564.88541.09561.10431.10432.61262.61263.95063.95065.06915.06915.8038
O21.41761.42272.39813.76762.03302.08882.08882.07682.07682.62022.62024.10554.10554.5725
C32.35651.42271.52032.53053.28372.64642.64641.10721.10722.14132.14132.80252.80253.4856
C43.68562.39811.52031.53154.43114.04104.04102.17112.17111.09941.09942.18602.18602.1803
C54.88543.76762.53051.53155.76565.07255.07252.78342.78342.17262.17261.09981.09981.0980
H61.09562.03303.28374.43115.76561.79341.79343.60153.60154.54694.54696.00756.00756.6037
H71.10432.08882.64644.04105.07251.79341.79332.41543.00564.55754.19545.01475.32306.0418
H81.10432.08882.64644.04105.07251.79341.79333.00562.41544.19544.55755.32305.01476.0418
H92.61262.07681.10722.17112.78343.60152.41543.00561.78423.06922.50342.60153.15253.7901
H102.61262.07681.10722.17112.78343.60153.00562.41541.78422.50343.06923.15252.60153.7901
H113.95062.62022.14131.09942.17264.54694.55754.19543.06922.50341.76743.09372.53582.5173
H123.95062.62022.14131.09942.17264.54694.19544.55752.50343.06921.76742.53583.09372.5173
H135.06914.10552.80252.18601.09986.00755.01475.32302.60153.15253.09372.53581.77701.7742
H145.06914.10552.80252.18601.09986.00755.32305.01473.15252.60152.53583.09371.77701.7742
H155.80384.57253.48562.18031.09806.60376.04186.04183.79013.79012.51732.51731.77421.7742

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 112.127 O2 C1 H6 107.296
O2 C1 H7 111.241 O2 C1 H8 111.241
O2 C3 C4 109.099 O2 C3 H9 109.723
O2 C3 H10 109.723 C3 C4 C5 112.031
C3 C4 H11 108.578 C3 C4 H12 108.578
C4 C3 H9 110.458 C4 C3 H10 110.458
C4 C5 H13 111.302 C4 C5 H14 111.302
C4 C5 H15 110.954 C5 C4 H11 110.260
C5 C4 H12 110.260 H6 C1 H7 109.223
H6 C1 H8 109.223 H7 C1 H8 108.578
H9 C3 H10 107.362 H11 C4 H12 106.980
H13 C5 H14 107.786 H13 C5 H15 107.661
H14 C5 H15 107.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.959      
2 O -0.593      
3 C 0.946      
4 C 0.673      
5 C 0.647      
6 H -0.383      
7 H -0.158      
8 H -0.158      
9 H -0.366      
10 H -0.366      
11 H -0.297      
12 H -0.297      
13 H -0.196      
14 H -0.196      
15 H -0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.282 1.100 0.000 1.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.164 -2.254 0.000
y -2.254 -34.555 0.000
z 0.000 0.000 -33.707
Traceless
 xyz
x 1.967 -2.254 0.000
y -2.254 -1.620 0.000
z 0.000 0.000 -0.348
Polar
3z2-r2-0.696
x2-y22.391
xy-2.254
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.443 -0.426 0.000
y -0.426 8.223 0.000
z 0.000 0.000 7.690


<r2> (average value of r2) Å2
<r2> 182.490
(<r2>)1/2 13.509