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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP3/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-246.577018
Energy at 298.15K-246.582607
HF Energy-245.809003
Nuclear repulsion energy156.676192
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/cc-pVDZ
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' 3204 3037 17.93      
2 A' 3050 2891 36.61      
3 A' 3041 2883 30.99      
4 A' 2438 2311 0.70      
5 A' 1526 1447 3.02      
6 A' 1505 1427 7.21      
7 A' 1489 1411 0.19      
8 A' 1432 1357 56.52      
9 A' 1257 1192 94.83      
10 A' 1202 1140 80.22      
11 A' 1042 988 30.78      
12 A' 972 921 8.69      
13 A' 550 522 0.92      
14 A' 387 367 1.75      
15 A' 180 171 2.12      
16 A" 3108 2946 43.63      
17 A" 3088 2928 37.76      
18 A" 1494 1416 7.14      
19 A" 1277 1210 3.89      
20 A" 1193 1131 4.97      
21 A" 1045 990 2.95      
22 A" 368 348 1.41      
23 A" 226 215 4.16      
24 A" 86 81 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17579.2 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 16663.3 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/cc-pVDZ
ABC
0.97727 0.08196 0.07788

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.133 -0.321 0.000
O2 -0.747 -0.599 0.000
C3 0.000 0.589 0.000
C4 1.442 0.247 0.000
N5 2.580 0.010 0.000
H6 -2.655 -1.288 0.000
H7 -2.432 0.253 0.899
H8 -2.432 0.253 -0.899
H9 -0.209 1.209 -0.895
H10 -0.209 1.209 0.895

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41352.31863.61924.72381.09901.10821.10822.61562.6156
O21.41351.40322.34643.38162.02912.09202.09202.08782.0878
C32.31861.40321.48172.64373.25162.61512.61511.10851.1085
C43.61922.34641.48171.16224.37523.97733.97732.10972.1097
N54.72383.38162.64371.16225.39345.09785.09783.16453.1645
H61.09902.02913.25164.37525.39341.79771.79773.60813.6081
H71.10822.09202.61513.97735.09781.79771.79893.01282.4204
H81.10822.09202.61513.97735.09781.79771.79892.42043.0128
H92.61562.08781.10852.10973.16453.60813.01282.42041.7895
H102.61562.08781.10852.10973.16453.60812.42043.01281.7895

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.804 O2 C1 H6 107.056
O2 C1 H7 111.539 O2 C1 H8 111.539
O2 C3 C4 108.816 O2 C3 H9 111.917
O2 C3 H10 111.917 C3 C4 N5 178.435
C4 C3 H9 108.210 C4 C3 H10 108.210
H6 C1 H7 109.067 H6 C1 H8 109.067
H7 C1 H8 108.517 H9 C3 H10 107.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-246.579560
Energy at 298.15K-246.585273
HF Energy-245.810868
Nuclear repulsion energy159.484076
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/cc-pVDZ
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 3206 3039 18.44      
2 A 3177 3011 6.28      
3 A 3125 2962 37.31      
4 A 3070 2910 29.58      
5 A 3052 2893 34.18      
6 A 2423 2297 1.13      
7 A 1517 1438 9.51      
8 A 1499 1421 1.82      
9 A 1494 1417 7.17      
10 A 1480 1403 0.93      
11 A 1409 1336 25.93      
12 A 1333 1263 11.52      
13 A 1251 1185 94.32      
14 A 1200 1138 41.16      
15 A 1190 1128 20.38      
16 A 1047 992 11.10      
17 A 989 938 25.57      
18 A 920 872 20.55      
19 A 604 573 1.69      
20 A 403 382 3.00      
21 A 361 342 0.84      
22 A 259 246 9.88      
23 A 177 168 3.47      
24 A 119 113 7.52      

Unscaled Zero Point Vibrational Energy (zpe) 17652.9 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 16733.2 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/cc-pVDZ
ABC
0.40202 0.11171 0.09467

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.563 -0.771 0.137
O2 1.086 0.431 -0.444
C3 -0.047 0.926 0.213
C4 -1.248 0.055 0.035
N5 -2.179 -0.629 -0.097
H6 2.468 -1.054 -0.418
H7 0.819 -1.587 0.056
H8 1.820 -0.626 1.204
H9 -0.272 1.913 -0.217
H10 0.121 1.048 1.301

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41782.33982.93113.75131.09891.10641.10793.27012.5965
O21.41781.39942.41153.44972.02922.09582.09162.02232.0869
C32.33981.39941.49362.65653.26212.66182.62221.09991.1077
C42.93112.41151.49361.16303.90452.63983.35302.11342.1123
N53.75133.44972.65651.16304.67763.15084.20513.18003.1711
H61.09892.02923.26213.90454.67761.79681.79854.04343.5887
H71.10642.09582.66182.63983.15081.79681.80073.67572.9961
H81.10792.09162.62223.35304.20511.79851.80073.58342.3868
H93.27012.02231.09992.11343.18004.04343.67573.58341.7902
H102.59652.08691.10772.11233.17113.58872.99612.38681.7902

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.305 O2 C1 H6 106.782
O2 C1 H7 111.661 O2 C1 H8 111.217
O2 C3 C4 112.892 O2 C3 H9 107.416
O2 C3 H10 112.162 C3 C4 N5 179.493
C4 C3 H9 108.194 C4 C3 H10 107.659
H6 C1 H7 109.129 H6 C1 H8 109.167
H7 C1 H8 108.826 H9 C3 H10 108.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability