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 (Propane, 2-methoxy-)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-232.386324
Energy at 298.15K-232.397428
Nuclear repulsion energy195.281076
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 B3LYP/3-21G
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 3132 3022 35.76      
2 A 3129 3019 14.99      
3 A 3126 3016 22.89      
4 A 3122 3012 62.81      
5 A 3113 3004 0.04      
6 A 3070 2962 9.19      
7 A 3059 2952 72.49      
8 A 3058 2951 10.00      
9 A 3050 2943 4.50      
10 A 3013 2908 37.32      
11 A 1584 1529 17.19      
12 A 1572 1517 2.45      
13 A 1564 1509 1.96      
14 A 1563 1508 9.73      
15 A 1550 1496 0.00      
16 A 1546 1492 4.03      
17 A 1504 1451 0.69      
18 A 1456 1405 10.24      
19 A 1443 1393 13.48      
20 A 1393 1344 10.11      
21 A 1389 1341 8.46      
22 A 1228 1185 1.68      
23 A 1203 1160 74.36      
24 A 1185 1143 30.40      
25 A 1160 1119 0.33      
26 A 1142 1102 21.56      
27 A 1029 993 48.48      
28 A 974 940 2.13      
29 A 938 905 0.16      
30 A 885 854 6.75      
31 A 761 735 5.60      
32 A 543 524 2.85      
33 A 391 377 10.68      
34 A 368 355 1.68      
35 A 295 285 1.02      
36 A 245 237 1.80      
37 A 240 232 0.05      
38 A 188 181 1.87      
39 A 77 74 4.30      

Unscaled Zero Point Vibrational Energy (zpe) 30144.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 29085.9 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 B3LYP/3-21G
ABC
0.20993 0.13466 0.10624

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.736 -0.000 0.425
H2 1.597 -0.890 1.053
H3 2.758 -0.001 0.038
H4 1.598 0.892 1.051
O5 0.880 -0.001 -0.754
C6 -1.020 -1.275 0.256
H7 -2.114 -1.329 0.262
H8 -0.623 -2.157 -0.256
H9 -0.674 -1.284 1.295
C10 -1.018 1.275 0.255
H11 -2.112 1.332 0.260
H12 -0.674 1.284 1.295
H13 -0.620 2.157 -0.256
C14 -0.562 0.000 -0.475
H15 -0.994 0.000 -1.481

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 C6 H7 H8 H9 C10 H11 H12 H13 C14 H15
C11.09821.09271.09821.45623.04054.07553.26832.86583.03984.07532.86603.26622.46773.3292
H21.09821.77981.78222.13722.76183.81902.87152.31743.48794.39593.15353.98952.79053.7317
H31.09271.77981.77982.03753.99215.05404.02083.87333.99195.05393.87424.01953.35924.0475
H41.09821.78221.77982.13723.48954.39673.99223.15522.76133.81902.31862.86852.79073.7314
O51.45622.13722.03752.13722.50043.42922.67582.87432.50053.42922.87512.67541.46922.0105
C63.04052.76183.99213.48952.50041.09531.09431.09552.55012.82632.78343.49281.53892.1550
H74.07553.81905.05404.39673.42921.09531.78141.77282.82562.66123.15763.82812.17182.4616
H83.26832.87154.02083.99222.67581.09431.78141.78063.49293.82833.77504.31462.16922.5087
H92.86582.31743.87333.15522.87431.09551.77281.78062.78403.15962.56813.77512.18973.0760
C103.03983.48793.99192.76132.50052.55012.82563.49292.78401.09531.09541.09431.53882.1550
H114.07534.39595.05393.81903.42922.82632.66123.82833.15961.09531.77281.78132.17172.4611
H122.86603.15353.87422.31862.87512.78343.15763.77502.56811.09541.77281.78072.18973.0760
H133.26623.98954.01952.86852.67543.49283.82814.31463.77511.09431.78131.78072.16922.5092
C142.46772.79053.35922.79071.46921.53892.17182.16922.18971.53882.17172.18972.16921.0953
H153.32923.73174.04753.73142.01052.15502.46162.50873.07602.15502.46113.07602.50921.0953

picture of Propane, 2-methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O5 C14 115.024 H2 C1 H3 108.650
H2 C1 H4 108.466 H2 C1 O5 112.828
H3 C1 H4 108.651 H3 C1 O5 105.244
H4 C1 O5 112.825 O5 C14 C6 112.430
O5 C14 C10 112.438 O5 C14 H15 102.265
C6 C14 C10 111.904 C6 C14 H15 108.617
H7 C6 H8 108.891 H7 C6 H9 108.038
H7 C6 C14 109.922 H8 C6 H9 108.815
H8 C6 C14 109.786 H9 C6 C14 111.334
C10 C14 H15 108.620 H11 C10 H12 108.036
H11 C10 H13 108.884 H11 C10 C14 109.922
H12 C10 H13 108.822 H12 C10 C14 111.339
H13 C10 C14 109.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.321     0.019
2 H 0.175     0.040
3 H 0.204     0.090
4 H 0.175     0.040
5 O -0.479     -0.465
6 C -0.567     -0.547
7 H 0.188     0.132
8 H 0.203     0.148
9 H 0.186     0.151
10 C -0.567     -0.547
11 H 0.188     0.132
12 H 0.186     0.151
13 H 0.203     0.148
14 C 0.019     0.487
15 H 0.208     0.021


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.605 0.002 1.362 1.490
CHELPG        
AIM        
ESP -0.595 0.002 1.393 1.515


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.024 0.001 2.549
y 0.001 -33.127 -0.002
z 2.549 -0.002 -34.039
Traceless
 xyz
x 2.559 0.001 2.549
y 0.001 -0.596 -0.002
z 2.549 -0.002 -1.963
Polar
3z2-r2-3.927
x2-y22.103
xy0.001
xz2.549
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.475 0.000 0.291
y 0.000 6.358 0.000
z 0.291 0.000 5.904


<r2> (average value of r2) Å2
<r2> 136.420
(<r2>)1/2 11.680