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 (Butane, 1-methoxy-)

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-272.848954
Energy at 298.15K-272.862016
Nuclear repulsion energy245.186368
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 BLYP/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' 3044 3038 29.30      
2 A' 3020 3014 43.03      
3 A' 2957 2951 61.36      
4 A' 2950 2944 20.90      
5 A' 2939 2934 22.66      
6 A' 2889 2883 96.15      
7 A' 2867 2862 41.49      
8 A' 1459 1456 3.19      
9 A' 1447 1444 1.66      
10 A' 1435 1432 3.31      
11 A' 1432 1429 5.41      
12 A' 1428 1426 0.53      
13 A' 1403 1400 0.15      
14 A' 1358 1355 15.36      
15 A' 1349 1347 6.94      
16 A' 1324 1322 0.08      
17 A' 1241 1239 2.65      
18 A' 1166 1164 13.64      
19 A' 1091 1089 28.14      
20 A' 1064 1062 149.49      
21 A' 1032 1030 0.85      
22 A' 992 990 3.11      
23 A' 919 917 17.80      
24 A' 867 865 10.07      
25 A' 475 474 0.90      
26 A' 367 366 3.06      
27 A' 305 304 0.63      
28 A' 135 135 0.78      
29 A" 3015 3009 78.24      
30 A" 2997 2991 25.73      
31 A" 2963 2958 4.76      
32 A" 2930 2924 62.56      
33 A" 2894 2889 61.97      
34 A" 1435 1432 6.13      
35 A" 1415 1413 6.16      
36 A" 1272 1270 0.09      
37 A" 1259 1257 0.00      
38 A" 1199 1197 1.68      
39 A" 1145 1143 4.80      
40 A" 1116 1114 0.66      
41 A" 919 917 0.01      
42 A" 787 786 0.36      
43 A" 715 714 2.07      
44 A" 231 231 0.43      
45 A" 211 211 2.32      
46 A" 127 127 1.40      
47 A" 84 84 1.10      
48 A" 69 69 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 34869.2 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 34802.9 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 BLYP/aug-cc-pVDZ
ABC
0.53701 0.03928 0.03793

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.502 2.807 0.000
C2 1.445 1.265 0.000
C3 -1.569 -2.660 0.000
O4 -1.431 -1.234 0.000
C5 -0.052 -0.815 0.000
C6 0.000 0.716 0.000
H7 -2.651 -2.877 0.000
H8 2.546 3.169 0.000
H9 0.999 3.225 0.893
H10 0.999 3.225 -0.893
H11 1.986 0.879 0.887
H12 1.986 0.879 -0.887
H13 -1.104 -3.113 0.904
H14 -1.104 -3.113 -0.904
H15 -0.544 1.090 -0.889
H16 -0.544 1.090 0.889
H17 0.463 -1.226 -0.899
H18 0.463 -1.226 0.899

Atom - Atom Distances (Å)
  C1 C2 C3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.54336.27084.99323.94192.57457.03891.10571.10671.10672.17732.17736.53126.53122.81552.81554.26104.2610
C21.54334.94883.80972.56301.54555.82442.19972.19922.19921.10861.10865.14605.14602.18582.18582.82452.8245
C36.27084.94881.43262.38843.72311.10287.13566.48266.48265.09415.09411.11251.11253.98773.98772.64472.6447
O44.99323.80971.43261.44062.41882.04585.93345.15595.15594.11404.11402.11012.11012.64132.64132.09632.0963
C53.94192.56302.38841.44061.53243.31654.75694.26914.26912.79482.79482.68372.68372.15912.15911.11451.1145
C62.57451.54553.72312.41881.53244.46463.53572.84412.84412.18112.18114.08634.08631.10741.10742.18982.1898
H77.03895.82441.10282.04583.31654.46467.97227.16537.16536.03216.03211.80651.80654.57784.57783.63683.6368
H81.10572.19977.13565.93344.75693.53577.97221.78761.78762.51912.51917.32177.32173.82993.82994.94634.9463
H91.10672.19926.48265.15594.26912.84417.16531.78761.78692.54503.10596.67756.91513.18082.63454.82794.4831
H101.10672.19926.48265.15594.26912.84417.16531.78761.78693.10592.54506.91516.67752.63453.18084.48314.8279
H112.17731.10865.09414.11402.79482.18116.03212.51912.54503.10591.77395.04825.35623.09872.53923.15242.5981
H122.17731.10865.09414.11402.79482.18116.03212.51913.10592.54501.77395.35625.04822.53923.09872.59813.1524
H136.53125.14601.11252.11012.68374.08631.80657.32176.67756.91515.04825.35621.80704.60314.23983.04372.4529
H146.53125.14601.11252.11012.68374.08631.80657.32176.91516.67755.35625.04821.80704.23984.60312.45293.0437
H152.81552.18583.98772.64132.15911.10744.57783.82993.18082.63453.09872.53924.60314.23981.77802.52583.0943
H162.81552.18583.98772.64132.15911.10744.57783.82992.63453.18082.53923.09874.23984.60311.77803.09432.5258
H174.26102.82452.64472.09631.11452.18983.63684.94634.82794.48313.15242.59813.04372.45292.52583.09431.7970
H184.26102.82452.64472.09631.11452.18983.63684.94634.48314.82792.59813.15242.45293.04373.09432.52581.7970

picture of Butane, 1-methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 112.920 C1 C2 H11 109.284
C1 C2 H12 109.284 C2 C1 H8 111.203
C2 C1 H9 111.101 C2 C1 H10 111.101
C2 C6 C5 112.761 C2 C6 H15 109.864
C2 C6 H16 109.864 C3 O4 C5 112.458
O4 C3 H7 106.865 O4 C3 H13 111.390
O4 C3 H14 111.390 O4 C5 C6 108.859
O4 C5 H17 109.596 O4 C5 H18 109.596
C5 C6 H15 108.684 C5 C6 H16 108.684
C6 C2 H11 109.431 C6 C2 H12 109.431
C6 C5 H17 110.657 C6 C5 H18 110.657
H7 C3 H13 109.268 H7 C3 H14 109.268
H8 C1 H9 107.802 H8 C1 H10 107.802
H9 C1 H10 107.667 H11 C2 H12 106.273
H13 C3 H14 108.616 H15 C6 H16 106.796
H17 C5 H18 107.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.917      
2 C 1.307      
3 C 1.248      
4 O -0.430      
5 C 1.250      
6 C 1.088      
7 H -0.528      
8 H -0.348      
9 H -0.337      
10 H -0.337      
11 H -0.551      
12 H -0.551      
13 H -0.272      
14 H -0.272      
15 H -0.547      
16 H -0.547      
17 H -0.546      
18 H -0.546      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.994 -0.559 0.000 1.140
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.844 1.072 0.000
y 1.072 -38.447 0.000
z 0.000 0.000 -40.744
Traceless
 xyz
x -3.248 1.072 0.000
y 1.072 3.346 0.000
z 0.000 0.000 -0.098
Polar
3z2-r2-0.197
x2-y2-4.396
xy1.072
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.270 1.604 0.000
y 1.604 13.225 0.000
z 0.000 0.000 9.735


<r2> (average value of r2) Å2
<r2> 301.497
(<r2>)1/2 17.364