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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP3/6-31G*

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 MP3/6-31G*
 hartrees
Energy at 0K-246.523366
Energy at 298.15K-246.528939
HF Energy-245.790012
Nuclear repulsion energy156.915430
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 A' 3222 3024 16.55      
2 A' 3069 2880 42.02      
3 A' 3060 2872 15.81      
4 A' 2460 2309 0.53      
5 A' 1577 1480 2.47      
6 A' 1560 1464 8.20      
7 A' 1531 1437 0.28      
8 A' 1460 1370 42.71      
9 A' 1270 1192 66.39      
10 A' 1206 1132 98.87      
11 A' 1036 972 31.04      
12 A' 984 923 10.86      
13 A' 550 517 1.20      
14 A' 388 364 2.45      
15 A' 180 169 2.48      
16 A" 3131 2938 43.51      
17 A" 3097 2907 27.76      
18 A" 1550 1455 7.91      
19 A" 1297 1217 3.23      
20 A" 1212 1138 3.67      
21 A" 1068 1002 2.24      
22 A" 364 341 2.20      
23 A" 227 213 5.03      
24 A" 87 82 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 17791.7 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 16699.3 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 MP3/6-31G*
ABC
0.97771 0.08222 0.07810

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.133 -0.348 0.000
O2 -0.737 -0.604 0.000
C3 0.000 0.596 0.000
C4 1.436 0.262 0.000
N5 2.572 0.036 0.000
H6 -2.623 -1.321 0.000
H7 -2.435 0.213 0.895
H8 -2.435 0.213 -0.895
H9 -0.218 1.206 -0.889
H10 -0.218 1.206 0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41922.33213.62004.72021.08991.09831.09832.62112.6211
O21.41921.40762.33843.36992.01842.08592.08592.08212.0821
C32.33211.40761.47402.63213.24902.62192.62191.10021.1002
C43.62002.33841.47401.15844.35673.97273.97272.10182.1018
N54.72023.36992.63211.15845.36965.08905.08903.15353.1535
H61.08992.01843.24904.35675.36961.78611.78613.60033.6003
H71.09832.08592.62193.97275.08901.78611.78903.01312.4288
H81.09832.08592.62193.97275.08901.78611.78902.42883.0131
H92.62112.08211.10022.10183.15353.60033.01312.42881.7774
H102.62112.08211.10022.10183.15353.60032.42883.01311.7774

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.174 O2 C1 H6 106.374
O2 C1 H7 111.263 O2 C1 H8 111.263
O2 C3 C4 108.461 O2 C3 H9 111.662
O2 C3 H10 111.662 C3 C4 N5 178.128
C4 C3 H9 108.605 C4 C3 H10 108.605
H6 C1 H7 109.413 H6 C1 H8 109.413
H7 C1 H8 109.063 H9 C3 H10 107.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-246.525922
Energy at 298.15K-246.531620
HF Energy-245.791953
Nuclear repulsion energy159.852134
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 A 3223 3025 17.29      
2 A 3182 2987 5.06      
3 A 3148 2954 33.46      
4 A 3082 2893 25.70      
5 A 3076 2888 27.90      
6 A 2446 2295 0.77      
7 A 1567 1471 9.62      
8 A 1553 1458 7.85      
9 A 1546 1451 2.03      
10 A 1530 1436 0.28      
11 A 1432 1344 18.02      
12 A 1348 1265 7.43      
13 A 1261 1183 68.12      
14 A 1218 1144 19.00      
15 A 1202 1128 59.88      
16 A 1066 1001 7.25      
17 A 984 924 31.92      
18 A 931 874 22.17      
19 A 608 570 2.35      
20 A 406 381 3.31      
21 A 357 335 1.24      
22 A 260 244 11.70      
23 A 178 167 4.40      
24 A 120 113 9.30      

Unscaled Zero Point Vibrational Energy (zpe) 17861.6 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 16764.9 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 MP3/6-31G*
ABC
0.39712 0.11333 0.09546

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.555 -0.777 0.139
O2 1.080 0.432 -0.441
C3 -0.057 0.936 0.211
C4 -1.242 0.059 0.036
N5 -2.157 -0.641 -0.097
H6 2.462 -1.041 -0.406
H7 0.820 -1.584 0.038
H8 1.795 -0.635 1.201
H9 -0.273 1.912 -0.230
H10 0.116 1.071 1.288

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42322.35392.92153.72201.08991.09641.09813.27282.6093
O21.42321.40442.40003.42732.01992.08902.08482.01632.0806
C32.35391.40441.48502.64403.26092.67442.62251.09221.0994
C42.92152.40001.48501.15913.88882.63673.32582.10822.1060
N53.72203.42732.64401.15914.64593.12564.15933.17523.1641
H61.08992.01993.26093.88884.64591.78531.78694.02853.5823
H71.09642.08902.67442.63673.12561.78531.79023.67303.0179
H81.09812.08482.62253.32584.15931.78691.79023.57902.3948
H93.27282.01631.09222.10823.17524.02853.67303.57901.7787
H102.60932.08061.09942.10603.16413.58233.01792.39481.7787

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.708 O2 C1 H6 106.218
O2 C1 H7 111.352 O2 C1 H8 110.904
O2 C3 C4 112.299 O2 C3 H9 107.060
O2 C3 H10 111.826 C3 C4 N5 179.098
C4 C3 H9 108.816 C4 C3 H10 108.236
H6 C1 H7 109.485 H6 C1 H8 109.503
H7 C1 H8 109.319 H9 C3 H10 108.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability