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: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-233.436803
Energy at 298.15K-233.447732
HF Energy-233.436803
Nuclear repulsion energy196.924176
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 PBEPBE/Def2TZVPP
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 3052 3015 29.17      
2 A 3050 3013 15.14      
3 A 3046 3009 19.76      
4 A 3043 3006 59.68      
5 A 3037 3000 0.22      
6 A 2974 2938 18.30      
7 A 2971 2935 56.00      
8 A 2968 2932 7.89      
9 A 2962 2926 17.47      
10 A 2917 2881 55.45      
11 A 1459 1442 13.70      
12 A 1456 1438 2.24      
13 A 1445 1427 1.74      
14 A 1443 1426 7.77      
15 A 1430 1412 0.00      
16 A 1426 1409 2.81      
17 A 1411 1394 0.29      
18 A 1356 1339 18.94      
19 A 1342 1325 0.60      
20 A 1338 1322 21.04      
21 A 1312 1296 4.08      
22 A 1182 1168 4.84      
23 A 1139 1125 99.49      
24 A 1136 1122 30.16      
25 A 1130 1117 1.09      
26 A 1105 1092 16.84      
27 A 1025 1013 38.50      
28 A 901 890 0.14      
29 A 885 874 0.12      
30 A 884 873 15.85      
31 A 762 753 9.33      
32 A 532 526 1.89      
33 A 405 400 7.99      
34 A 354 349 1.14      
35 A 297 293 0.64      
36 A 239 236 1.56      
37 A 231 228 0.03      
38 A 174 172 1.40      
39 A 60 59 2.47      

Unscaled Zero Point Vibrational Energy (zpe) 28937.3 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 28587.2 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 PBEPBE/Def2TZVPP
ABC
0.21285 0.13806 0.10777

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.734 -0.000 0.407
H2 1.606 -0.896 1.039
H3 2.757 -0.001 0.013
H4 1.607 0.897 1.038
O5 0.873 -0.000 -0.723
C6 -1.020 -1.273 0.246
H7 -2.118 -1.322 0.236
H8 -0.632 -2.165 -0.266
H9 -0.700 -1.305 1.297
C10 -1.019 1.274 0.245
H11 -2.117 1.323 0.235
H12 -0.700 1.305 1.296
H13 -0.630 2.165 -0.266
C14 -0.543 0.000 -0.459
H15 -0.966 0.000 -1.476

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 C6 H7 H8 H9 C10 H11 H12 H13 C14 H15
C11.10361.09711.10361.42023.03804.07533.27622.90123.03774.07512.90103.27552.43603.2919
H21.10361.78331.79252.10752.76873.83262.88412.35593.49674.40743.19764.00872.76843.7072
H31.09711.78331.78332.02293.99275.05584.03073.91193.99285.05583.91224.03073.33424.0106
H41.10361.79251.78332.10753.49804.40844.01023.19932.76863.83272.35652.88292.76883.7072
O51.42022.10752.02292.10752.47823.40722.67542.87302.47833.40722.87322.67541.44051.9879
C63.03802.76873.99273.49802.47821.09881.09831.09902.54732.81852.80283.49781.53162.1422
H74.07533.83265.05584.40843.40721.09881.78041.77042.81842.64453.16783.82352.17012.4502
H83.27622.88414.03074.01022.67541.09831.78041.78453.49783.82353.80584.32952.17522.5027
H92.90122.35593.91193.19932.87301.09901.77041.78452.80293.16822.60993.80582.19323.0759
C103.03773.49673.99282.76862.47832.54732.81843.49782.80291.09881.09901.09831.53162.1422
H114.07514.40745.05583.83273.40722.81852.64453.82353.16821.09881.77041.78042.17012.4501
H122.90103.19763.91222.35652.87322.80283.16783.80582.60991.09901.77041.78452.19323.0759
H133.27554.00874.03072.88292.67543.49783.82354.32953.80581.09831.78041.78452.17522.5028
C142.43602.76843.33422.76881.44051.53162.17012.17522.19321.53162.17012.19322.17521.1015
H153.29193.70724.01063.70721.98792.14222.45022.50273.07592.14222.45013.07592.50281.1015

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 116.760 H2 C1 H3 108.259
H2 C1 H4 108.607 H2 C1 O5 112.642
H3 C1 H4 108.260 H3 C1 O5 106.241
H4 C1 O5 112.640 O5 C14 C6 112.951
O5 C14 C10 112.956 O5 C14 H15 102.065
C6 C14 C10 112.519 C6 C14 H15 107.773
H7 C6 H8 108.256 H7 C6 H9 107.324
H7 C6 C14 110.089 H8 C6 H9 108.613
H8 C6 C14 110.516 H9 C6 C14 111.917
C10 C14 H15 107.773 H11 C10 H12 107.325
H11 C10 H13 108.255 H11 C10 C14 110.088
H12 C10 H13 108.613 H12 C10 C14 111.918
H13 C10 C14 110.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.145      
2 H 0.075      
3 H 0.109      
4 H 0.075      
5 O -0.270      
6 C -0.274      
7 H 0.076      
8 H 0.091      
9 H 0.071      
10 C -0.274      
11 H 0.076      
12 H 0.071      
13 H 0.091      
14 C 0.167      
15 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.638 0.001 1.044 1.224
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.038 0.000 2.069
y 0.000 -33.801 -0.001
z 2.069 -0.001 -34.664
Traceless
 xyz
x 2.194 0.000 2.069
y 0.000 -0.450 -0.001
z 2.069 -0.001 -1.744
Polar
3z2-r2-3.489
x2-y21.763
xy0.000
xz2.069
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.359 0.000 0.238
y 0.000 8.615 0.000
z 0.238 0.000 7.721


<r2> (average value of r2) Å2
<r2> 135.187
(<r2>)1/2 11.627