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All results from a given calculation for C4H10O (Ethoxy ethane)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-232.889096
Energy at 298.15K-232.900391
HF Energy-232.143401
Nuclear repulsion energy189.923614
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3193 2997 31.98      
2 A1 3112 2921 4.18      
3 A1 3045 2858 87.26      
4 A1 1604 1505 0.29      
5 A1 1562 1466 5.12      
6 A1 1510 1417 4.92      
7 A1 1456 1366 0.67      
8 A1 1228 1152 22.22      
9 A1 1106 1038 10.78      
10 A1 894 839 6.57      
11 A1 455 427 0.15      
12 A1 199 187 0.72      
13 A2 3202 3005 0.00      
14 A2 3074 2885 0.00      
15 A2 1545 1450 0.00      
16 A2 1332 1250 0.00      
17 A2 1215 1140 0.00      
18 A2 842 790 0.00      
19 A2 263 247 0.00      
20 A2 95 90 0.00      
21 B1 3202 3005 48.09      
22 B1 3073 2884 113.99      
23 B1 1545 1450 9.92      
24 B1 1340 1258 2.44      
25 B1 1248 1171 13.25      
26 B1 856 803 0.52      
27 B1 271 254 1.86      
28 B1 111 104 4.96      
29 B2 3192 2996 17.01      
30 B2 3111 2920 25.38      
31 B2 3036 2849 5.35      
32 B2 1586 1489 3.95      
33 B2 1560 1464 1.57      
34 B2 1476 1385 45.33      
35 B2 1430 1342 47.16      
36 B2 1223 1148 168.80      
37 B2 1140 1070 1.74      
38 B2 983 922 4.58      
39 B2 444 417 3.70      

Unscaled Zero Point Vibrational Energy (zpe) 30877.9 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 28982.0 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 MP3/6-31G*
ABC
0.59668 0.07516 0.07029

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.264
C2 0.000 1.177 -0.524
C3 0.000 -1.177 -0.524
C4 0.000 2.369 0.414
C5 0.000 -2.369 0.414
H6 0.887 1.195 -1.177
H7 -0.887 1.195 -1.177
H8 0.887 -1.195 -1.177
H9 -0.887 -1.195 -1.177
H10 0.000 3.305 -0.153
H11 0.000 -3.305 -0.153
H12 -0.887 2.345 1.053
H13 0.887 2.345 1.053
H14 0.887 -2.345 1.053
H15 -0.887 -2.345 1.053

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.41681.41682.37392.37392.07192.07192.07192.07193.33173.33172.62812.62812.62812.6281
C21.41682.35481.51663.66851.10171.10172.61612.61612.16024.49822.15312.15313.95973.9597
C31.41682.35483.66851.51662.61612.61611.10171.10174.49822.16023.95973.95972.15312.1531
C42.37391.51663.66854.73842.16702.16704.00314.00311.09455.70291.09311.09314.83924.8392
C52.37393.66851.51664.73844.00314.00312.16702.16705.70291.09454.83924.83921.09311.0931
H62.07191.10172.61612.16704.00311.77422.39092.97732.50764.70053.07242.50874.18424.5446
H72.07191.10172.61612.16704.00311.77422.97732.39092.50764.70052.50873.07244.54464.1842
H82.07192.61611.10174.00312.16702.39092.97731.77424.70052.50764.54464.18422.50873.0724
H92.07192.61611.10174.00312.16702.97732.39091.77424.70052.50764.18424.54463.07242.5087
H103.33172.16024.49821.09455.70292.50762.50764.70054.70056.61091.77821.77825.84535.8453
H113.33174.49822.16025.70291.09454.70054.70052.50762.50766.61095.84535.84531.77821.7782
H122.62812.15313.95971.09314.83923.07242.50874.54464.18421.77825.84531.77315.01404.6900
H132.62812.15313.95971.09314.83922.50873.07244.18424.54461.77825.84531.77314.69005.0140
H142.62813.95972.15314.83921.09314.18424.54462.50873.07245.84531.77825.01404.69001.7731
H152.62813.95972.15314.83921.09314.54464.18423.07242.50875.84531.77824.69005.01401.7731

picture of Ethoxy ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 107.999 O1 C2 H6 110.082
O1 C2 H7 110.082 O1 C3 C5 107.999
O1 C3 H8 110.082 O1 C3 H9 110.082
C2 O1 C3 112.405 C2 C4 H10 110.607
C2 C4 H12 110.127 C2 C4 H13 110.127
C3 C5 H11 110.607 C3 C5 H14 110.127
C3 C5 H15 110.127 C4 C2 H6 110.713
C4 C2 H7 110.713 C5 C3 H8 110.713
C5 C3 H9 110.713 H6 C2 H7 107.262
H8 C3 H9 107.262 H10 C4 H12 108.761
H10 C4 H13 108.761 H11 C5 H14 108.761
H11 C5 H15 108.761 H12 C4 H13 108.406
H14 C5 H15 108.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability