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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-59.524513
Energy at 298.15K-59.536582
HF Energy-58.980587
Nuclear repulsion energy147.894997
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 MP2/CEP-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 3186 3078 56.97      
2 A 3166 3059 27.10      
3 A 3106 3001 163.00      
4 A 3038 2935 26.34      
5 A 3011 2910 86.48      
6 A 2981 2880 69.96      
7 A 1528 1476 3.47      
8 A 1519 1468 4.62      
9 A 1511 1460 13.27      
10 A 1484 1434 1.05      
11 A 1441 1392 24.91      
12 A 1385 1338 34.37      
13 A 1216 1175 4.29      
14 A 1159 1120 40.98      
15 A 1142 1103 0.91      
16 A 1080 1043 22.37      
17 A 1009 975 24.06      
18 A 827 799 8.20      
19 A 507 490 13.47      
20 A 406 392 17.30      
21 A 242 234 4.52      
22 A 167 162 1.12      
23 A 31 30 8.92      
24 A 3185 3078 29.40      
25 A 3135 3029 67.26      
26 A 3104 2999 14.67      
27 A 3009 2908 77.43      
28 A 1526 1475 12.75      
29 A 1513 1462 0.05      
30 A 1506 1455 0.03      
31 A 1485 1435 0.24      
32 A 1401 1354 61.38      
33 A 1177 1137 57.43      
34 A 1140 1101 2.00      
35 A 1124 1086 119.96      
36 A 1024 990 150.16      
37 A 849 820 6.97      
38 A 435 420 2.77      
39 A 331 320 2.32      
40 A 232 224 0.24      
41 A 182 176 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 30747.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 29711.0 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 MP2/CEP-31G
ABC
0.18988 0.07022 0.05823

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.514 -0.463 1.167
O2 -0.514 -0.463 -1.167
C3 -0.514 0.443 2.345
C4 -0.514 0.443 -2.345
C5 0.197 0.092 0.000
C6 1.689 -0.359 0.000
H7 0.517 0.620 2.724
H8 0.517 0.620 -2.724
H9 -1.108 -0.087 3.109
H10 -1.108 -0.087 -3.109
H11 -0.993 1.415 2.092
H12 -0.993 1.415 -2.092
H13 0.094 1.208 0.000
H14 1.711 -1.467 0.000
H15 2.216 0.020 -0.903
H16 2.216 0.020 0.903

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.33341.48623.62641.47492.49522.15864.16772.06554.33302.14753.79132.12602.70573.45952.7845
O22.33343.62641.48621.47492.49524.16772.15864.33302.06553.79132.14752.12602.70572.78453.4595
C31.48623.62644.68942.47523.31581.11245.17511.10365.51141.11274.56702.53983.75464.26373.1157
C43.62641.48624.68942.47523.31585.17511.11245.51141.10364.56701.11272.53983.75463.11574.2637
C51.47491.47492.47522.47521.55862.79272.79273.37663.37662.74642.74641.12002.17322.21242.2124
C62.49522.49523.31583.31581.55863.12263.12264.19094.19093.83643.83642.23581.10831.11191.1119
H72.15864.16771.11245.17512.79273.12265.44721.81366.09571.81985.10892.81823.63324.04972.5612
H84.16772.15865.17511.11242.79273.12265.44726.09571.81365.10891.81982.81823.63322.56124.0497
H92.06554.33301.10365.51143.37664.19091.81366.09576.21761.81735.41433.57554.41805.21123.9905
H104.33302.06555.51141.10363.37664.19096.09571.81366.21765.41431.81733.57554.41803.99055.2112
H112.14753.79131.11274.56702.74643.83641.81985.10891.81735.41434.18372.36654.47164.60603.6955
H123.79132.14754.56701.11272.74643.83645.10891.81985.41431.81734.18372.36654.47163.69554.6060
H132.12602.12602.53982.53981.12002.23582.81822.81823.57553.57552.36652.36653.12542.59422.5942
H142.70572.70573.75463.75462.17321.10833.63323.63324.41804.41804.47164.47163.12541.81121.8112
H153.45952.78454.26373.11572.21241.11194.04972.56125.21123.99054.60603.69552.59421.81121.8065
H162.78453.45953.11574.26372.21241.11192.56124.04973.99055.21123.69554.60602.59421.81121.8065

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 111.531 O1 C3 H9 104.837
O1 C3 H11 110.626 O1 C5 O2 104.566
O1 C5 C6 110.652 O1 C5 H13 109.275
O2 C4 H8 111.531 O2 C4 H10 104.837
O2 C4 H12 110.626 O2 C5 C6 110.652
O2 C5 H13 109.275 C3 O1 C5 113.425
C4 O2 C5 113.425 C5 C6 H14 107.964
C5 C6 H15 110.775 C5 C6 H16 110.775
C6 C5 H13 112.137 H7 C3 H9 109.852
H7 C3 H11 109.739 H8 C4 H10 109.852
H8 C4 H12 109.739 H9 C3 H11 110.163
H10 C4 H12 110.163 H14 C6 H15 109.327
H14 C6 H16 109.327 H15 C6 H16 108.649
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability