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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP3=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-246.586791
Energy at 298.15K-246.592395
HF Energy-245.798631
Nuclear repulsion energy157.270562
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=FULL/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' 3262 3262 18.99      
2 A' 3104 3104 47.26      
3 A' 3096 3096 17.36      
4 A' 2468 2468 0.62      
5 A' 1585 1585 1.79      
6 A' 1569 1569 6.52      
7 A' 1539 1539 1.14      
8 A' 1467 1467 52.18      
9 A' 1275 1275 69.53      
10 A' 1212 1212 96.71      
11 A' 1040 1040 30.17      
12 A' 985 985 10.06      
13 A' 555 555 1.23      
14 A' 389 389 2.33      
15 A' 183 183 2.51      
16 A" 3170 3170 46.79      
17 A" 3138 3138 30.35      
18 A" 1559 1559 6.13      
19 A" 1303 1303 3.44      
20 A" 1219 1219 4.80      
21 A" 1071 1071 2.67      
22 A" 373 373 2.29      
23 A" 225 225 4.65      
24 A" 86 86 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 17936.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17936.3 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=FULL/6-31G**
ABC
0.98445 0.08250 0.07836

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.129 -0.346 0.000
O2 -0.737 -0.603 0.000
C3 0.000 0.594 0.000
C4 1.433 0.261 0.000
N5 2.568 0.035 0.000
H6 -2.621 -1.311 0.000
H7 -2.429 0.214 0.888
H8 -2.429 0.214 -0.888
H9 -0.216 1.202 -0.883
H10 -0.216 1.202 0.883

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41582.32703.61354.71241.08351.09201.09202.61452.6145
O21.41581.40532.33573.36572.01332.07862.07862.07582.0758
C32.32701.40531.47142.62833.24032.61402.61401.09391.0939
C43.61352.33571.47141.15724.34883.96343.96342.09392.0939
N54.71243.36572.62831.15725.36115.07865.07863.14523.1452
H61.08352.01333.24034.34885.36111.77521.77523.58903.5890
H71.09202.07862.61403.96345.07861.77521.77673.00232.4237
H81.09202.07862.61403.96345.07861.77521.77672.42373.0023
H92.61452.07581.09392.09393.14523.58903.00232.42371.7669
H102.61452.07581.09392.09393.14523.58902.42373.00231.7669

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.147 O2 C1 H6 106.568
O2 C1 H7 111.304 O2 C1 H8 111.304
O2 C3 C4 108.549 O2 C3 H9 111.714
O2 C3 H10 111.714 C3 C4 N5 178.229
C4 C3 H9 108.521 C4 C3 H10 108.521
H6 C1 H7 109.367 H6 C1 H8 109.367
H7 C1 H8 108.884 H9 C3 H10 107.729
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-246.589254
Energy at 298.15K-246.594991
HF Energy-245.800538
Nuclear repulsion energy160.203858
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=FULL/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 3263 3263 19.67      
2 A 3224 3224 6.44      
3 A 3187 3187 36.98      
4 A 3121 3121 27.58      
5 A 3111 3111 32.26      
6 A 2453 2453 0.90      
7 A 1578 1578 8.09      
8 A 1562 1562 5.62      
9 A 1552 1552 2.18      
10 A 1538 1538 0.16      
11 A 1441 1441 23.24      
12 A 1355 1355 7.39      
13 A 1266 1266 67.67      
14 A 1225 1225 18.47      
15 A 1209 1209 64.17      
16 A 1069 1069 7.46      
17 A 989 989 30.09      
18 A 934 934 21.37      
19 A 611 611 2.14      
20 A 406 406 2.79      
21 A 365 365 1.35      
22 A 262 262 11.72      
23 A 181 181 4.17      
24 A 120 120 8.98      

Unscaled Zero Point Vibrational Energy (zpe) 18009.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18009.8 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=FULL/6-31G**
ABC
0.39962 0.11361 0.09573

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.552 -0.776 0.138
O2 1.081 0.433 -0.439
C3 -0.056 0.933 0.211
C4 -1.240 0.059 0.035
N5 -2.155 -0.638 -0.097
H6 2.454 -1.041 -0.400
H7 0.820 -1.578 0.036
H8 1.787 -0.638 1.195
H9 -0.273 1.905 -0.223
H10 0.113 1.062 1.284

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41972.34792.91583.71741.08351.09021.09183.26282.6007
O21.41971.40232.39803.42602.01472.08202.07762.01142.0743
C32.34791.40231.48252.64043.25162.66532.61411.08601.0931
C42.91582.39801.48251.15803.87882.63103.31562.09982.0965
N53.71743.42602.64041.15804.63733.12354.14853.16623.1525
H61.08352.01473.25163.87884.63731.77441.77584.01803.5697
H71.09022.08202.66532.63103.12351.77441.77783.65903.0044
H81.09182.07762.61413.31564.14851.77581.77783.56652.3879
H93.26282.01141.08602.09983.16624.01803.65903.56651.7690
H102.60072.07431.09312.09653.15253.56973.00442.38791.7690

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.607 O2 C1 H6 106.412
O2 C1 H7 111.422 O2 C1 H8 110.955
O2 C3 C4 112.423 O2 C3 H9 107.191
O2 C3 H10 111.860 C3 C4 N5 179.124
C4 C3 H9 108.691 C4 C3 H10 108.024
H6 C1 H7 109.433 H6 C1 H8 109.438
H7 C1 H8 109.129 H9 C3 H10 108.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability