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All results from a given calculation for C4H10O2 (1,1-Dimethoxyethane)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-308.792674
Energy at 298.15K-308.804276
Nuclear repulsion energy267.379168
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 mPW1PW91/6-31G**
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 3183 3028 14.96      
2 A 3167 3013 28.03      
3 A 3082 2933 22.48      
4 A 3069 2921 95.97      
5 A 3013 2867 56.36      
6 A 2928 2786 67.35      
7 A 1529 1455 3.37      
8 A 1522 1448 1.73      
9 A 1500 1427 14.80      
10 A 1489 1417 2.91      
11 A 1428 1359 63.34      
12 A 1387 1320 6.30      
13 A 1281 1219 23.88      
14 A 1205 1147 34.86      
15 A 1190 1133 0.06      
16 A 1143 1088 9.96      
17 A 1097 1043 50.95      
18 A 860 818 6.43      
19 A 541 514 6.76      
20 A 451 430 11.52      
21 A 254 242 2.66      
22 A 184 175 1.75      
23 A 63 60 4.27      
24 A 3167 3013 17.21      
25 A 3161 3008 34.76      
26 A 3069 2920 14.41      
27 A 3011 2865 66.12      
28 A 1530 1456 7.34      
29 A 1509 1436 1.71      
30 A 1502 1430 7.70      
31 A 1490 1418 0.08      
32 A 1408 1339 73.74      
33 A 1233 1173 246.53      
34 A 1192 1134 141.89      
35 A 1188 1131 47.85      
36 A 1108 1054 11.77      
37 A 936 891 5.58      
38 A 471 448 2.16      
39 A 349 332 1.12      
40 A 244 232 0.03      
41 A 207 197 0.03      
42 A 51 48 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 31194.9 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 29681.9 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 mPW1PW91/6-31G**
ABC
0.22145 0.07518 0.06284

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.465 -0.510 1.105
O2 -0.465 -0.510 -1.105
C3 -0.465 0.248 2.285
C4 -0.465 0.248 -2.285
C5 0.087 0.148 0.000
C6 1.605 0.058 0.000
H7 0.548 0.459 2.657
H8 0.548 0.459 -2.657
H9 -0.990 -0.340 3.039
H10 -0.990 -0.340 -3.039
H11 -0.991 1.205 2.156
H12 -0.991 1.205 -2.156
H13 -0.237 1.208 0.000
H14 1.895 -0.994 0.000
H15 2.030 0.544 -0.882
H16 2.030 0.544 0.882

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.21001.40283.47411.39922.41422.09114.01452.01124.18052.07893.72142.05562.64963.35902.7178
O22.21003.47411.40281.39922.41424.01452.09114.18052.01123.72142.07892.05562.64962.71783.3590
C31.40283.47414.57082.35313.08921.09865.04931.09055.38241.09984.57322.48943.51154.04262.8781
C43.47411.40284.57082.35313.08925.04931.09865.38241.09054.57321.09982.48943.51152.87814.0426
C51.39921.39922.35312.35311.52112.71452.71453.26063.26062.63152.63151.10872.13812.17082.1708
C62.41422.41423.08923.08921.52112.88772.88774.01594.01593.56363.56362.17131.09141.09261.0926
H72.09114.01451.09865.04932.71452.88775.31381.77425.95361.78135.10702.86973.31453.83762.3148
H84.01452.09115.04931.09862.71452.88775.31385.95361.77425.10701.78132.86973.31452.31483.8376
H92.01124.18051.09055.38243.26064.01591.77425.95366.07791.77975.41943.49274.24055.02733.8154
H104.18052.01125.38241.09053.26064.01595.95361.77426.07795.41941.77973.49274.24053.81545.0273
H112.07893.72141.09984.57322.63153.56361.78135.10701.77975.41944.31112.28364.21974.33443.3446
H123.72142.07894.57321.09982.63153.56365.10701.78135.41941.77974.31112.28364.21973.34464.3344
H132.05562.05562.48942.48941.10872.17132.86972.86973.49273.49272.28362.28363.06462.52152.5215
H142.64962.64963.51153.51152.13811.09143.31453.31454.24054.24054.21974.21973.06461.77801.7780
H153.35902.71784.04262.87812.17081.09263.83762.31485.02733.81544.33443.34462.52151.77801.7631
H162.71783.35902.87814.04262.17081.09262.31483.83763.81545.02733.34464.33442.52151.77801.7631

picture of 1,1-Dimethoxyethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 H7 112.863 O1 C3 H9 106.865
O1 C3 H11 111.768 O1 C5 O2 104.326
O1 C5 C6 111.454 O1 C5 H13 109.556
O2 C4 H8 112.863 O2 C4 H10 106.865
O2 C4 H12 111.768 O2 C5 C6 111.454
O2 C5 H13 109.556 C3 O1 C5 114.236
C4 O2 C5 114.236 C5 C6 H14 108.738
C5 C6 H15 111.247 C5 C6 H16 111.247
C6 C5 H13 110.327 H7 C3 H9 108.281
H7 C3 H11 108.248 H8 C4 H10 108.281
H8 C4 H12 108.248 H9 C3 H11 108.686
H10 C4 H12 108.686 H14 C6 H15 108.992
H14 C6 H16 108.992 H15 C6 H16 107.574
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.480      
2 O -0.480      
3 C -0.137      
4 C -0.137      
5 C 0.397      
6 C -0.413      
7 H 0.114      
8 H 0.114      
9 H 0.148      
10 H 0.148      
11 H 0.116      
12 H 0.116      
13 H 0.077      
14 H 0.159      
15 H 0.128      
16 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.912 2.212 0.000 2.392
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.103 -1.260 0.000
y -1.260 -39.223 0.000
z 0.000 0.000 -31.521
Traceless
 xyz
x -2.731 -1.260 0.000
y -1.260 -4.411 0.000
z 0.000 0.000 7.142
Polar
3z2-r214.283
x2-y21.120
xy-1.260
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 197.918
(<r2>)1/2 14.068