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All results from a given calculation for (Ethane, methoxy-)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-193.211304
Energy at 298.15K-193.220220
HF Energy-193.211304
Nuclear repulsion energy131.888882
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 B3PW91/3-21G*
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' 3149 3021 20.66      
2 A' 3138 3010 26.30      
3 A' 3072 2947 12.16      
4 A' 2993 2872 71.39      
5 A' 2982 2861 24.94      
6 A' 1590 1525 1.43      
7 A' 1572 1508 6.00      
8 A' 1562 1498 12.59      
9 A' 1505 1444 0.44      
10 A' 1452 1393 16.43      
11 A' 1419 1362 24.86      
12 A' 1216 1167 23.77      
13 A' 1125 1079 28.21      
14 A' 1115 1069 84.32      
15 A' 1010 969 7.12      
16 A' 849 814 8.78      
17 A' 454 436 1.23      
18 A' 275 263 4.36      
19 A" 3155 3027 22.40      
20 A" 3032 2909 68.01      
21 A" 3015 2893 65.10      
22 A" 1546 1483 10.82      
23 A" 1544 1481 5.05      
24 A" 1320 1267 0.01      
25 A" 1199 1150 7.67      
26 A" 1156 1109 0.40      
27 A" 863 828 1.94      
28 A" 262 251 3.09      
29 A" 213 204 0.44      
30 A" 114 109 4.69      

Unscaled Zero Point Vibrational Energy (zpe) 23946.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 22974.2 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 B3PW91/3-21G*
ABC
0.90235 0.13609 0.12678

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.348 1.249 0.000
O2 0.000 0.719 0.000
C3 0.002 -0.735 0.000
C4 -1.460 -1.168 0.000
H5 1.250 2.338 0.000
H6 1.915 0.938 0.892
H7 1.915 0.938 -0.892
H8 0.523 -1.124 -0.890
H9 0.523 -1.124 0.890
H10 -1.542 -2.260 0.000
H11 -1.960 -0.768 0.888
H12 -1.960 -0.768 -0.888

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.44802.39693.70461.09311.10201.10202.66492.66494.54543.97463.9746
O21.44801.45362.38582.04492.12422.12422.11252.11253.35432.61582.6158
C32.39691.45361.52503.31602.69372.69371.10281.10282.17022.15372.1537
C43.70462.38581.52504.43074.07754.07752.17482.17481.09541.09441.0944
H51.09312.04493.31604.43071.78781.78783.64713.64715.37874.55394.5539
H61.10202.12422.69374.07751.78781.78433.06062.48804.79354.23454.5934
H71.10202.12422.69374.07751.78781.78432.48803.06064.79354.59344.2345
H82.66492.11251.10282.17483.64713.06062.48801.78072.51973.07512.5087
H92.66492.11251.10282.17483.64712.48803.06061.78072.51972.50873.0751
H104.54543.35432.17021.09545.37874.79354.79352.51972.51971.78571.7857
H113.97462.61582.15371.09444.55394.23454.59343.07512.50871.78571.7760
H123.97462.61582.15371.09444.55394.59344.23452.50873.07511.78571.7760

picture of Ethane, methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.393 O2 C1 H5 106.334
O2 C1 H6 112.106 O2 C1 H7 112.106
O2 C3 C4 106.425 O2 C3 H8 110.701
O2 C3 H9 110.701 C3 C4 H10 110.762
C3 C4 H11 109.521 C3 C4 H12 109.521
C4 C3 H8 110.686 C4 C3 H9 110.686
H5 C1 H6 109.063 H5 C1 H7 109.063
H6 C1 H7 108.099 H8 C3 H9 107.674
H10 C4 H11 109.265 H10 C4 H12 109.265
H11 C4 H12 108.468
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 O -0.486      
3 C -0.162      
4 C -0.637      
5 H 0.225      
6 H 0.190      
7 H 0.190      
8 H 0.193      
9 H 0.193      
10 H 0.205      
11 H 0.228      
12 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.165 -0.790 0.000 1.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.755 2.027 0.000
y 2.027 -25.120 0.000
z 0.000 0.000 -26.396
Traceless
 xyz
x 1.003 2.027 0.000
y 2.027 0.456 0.000
z 0.000 0.000 -1.458
Polar
3z2-r2-2.917
x2-y20.365
xy2.027
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.466 0.785 0.000
y 0.785 5.641 0.000
z 0.000 0.000 4.674


<r2> (average value of r2) Å2
<r2> 104.783
(<r2>)1/2 10.236