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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP3=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-246.768248
Energy at 298.15K-246.773812
HF Energy-245.875990
Nuclear repulsion energy157.782480
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/TZVP
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' 3210 2997 17.63      
2 A' 3064 2860 36.25      
3 A' 3055 2852 33.61      
4 A' 2466 2303 0.45      
5 A' 1563 1459 3.12      
6 A' 1538 1436 8.30      
7 A' 1525 1424 1.17      
8 A' 1464 1367 44.66      
9 A' 1277 1192 57.46      
10 A' 1207 1127 116.09      
11 A' 1042 973 34.98      
12 A' 976 911 8.77      
13 A' 554 517 1.00      
14 A' 390 364 1.55      
15 A' 181 169 2.40      
16 A" 3117 2911 40.10      
17 A" 3099 2893 28.54      
18 A" 1519 1418 7.80      
19 A" 1296 1210 3.55      
20 A" 1218 1138 4.66      
21 A" 1056 986 3.24      
22 A" 355 331 1.61      
23 A" 222 208 4.47      
24 A" 70 66 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 17732.2 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 16556.6 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/TZVP
ABC
0.99787 0.08290 0.07881

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.122 -0.343 0.000
O2 -0.736 -0.609 0.000
C3 0.000 0.582 0.000
C4 1.433 0.265 0.000
N5 2.559 0.048 0.000
H6 -2.629 -1.302 0.000
H7 -2.416 0.219 0.891
H8 -2.416 0.219 -0.891
H9 -0.215 1.188 -0.886
H10 -0.215 1.188 0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41132.31463.60644.69701.08511.09381.09382.60052.6005
O21.41131.40032.33853.35972.01562.07472.07472.07032.0703
C32.31461.40031.46762.61413.23422.60082.60081.09481.0948
C43.60642.33851.46761.14684.35353.95143.95142.08662.0866
N54.69703.35972.61411.14685.36035.05745.05743.12773.1277
H61.08512.01563.23424.35355.36031.77591.77593.57913.5791
H71.09382.07472.60083.95145.05741.77591.78162.98992.4048
H81.09382.07472.60083.95145.05741.77591.78162.40482.9899
H92.60052.07031.09482.08663.12773.57912.98992.40481.7718
H102.60052.07031.09482.08663.12773.57912.40482.98991.7718

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.823 O2 C1 H6 106.960
O2 C1 H7 111.195 O2 C1 H8 111.195
O2 C3 C4 109.236 O2 C3 H9 111.563
O2 C3 H10 111.563 C3 C4 N5 178.460
C4 C3 H9 108.161 C4 C3 H10 108.161
H6 C1 H7 109.186 H6 C1 H8 109.186
H7 C1 H8 109.066 H9 C3 H10 108.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/TZVP
 hartrees
Energy at 0K-246.770655
Energy at 298.15K-246.776414
HF Energy-245.877360
Nuclear repulsion energy160.813191
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/TZVP
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 3210 2998 18.69      
2 A 3186 2975 5.07      
3 A 3133 2925 32.65      
4 A 3077 2873 28.10      
5 A 3063 2860 34.27      
6 A 2451 2288 0.80      
7 A 1552 1449 7.65      
8 A 1536 1434 2.08      
9 A 1525 1424 9.74      
10 A 1514 1414 0.78      
11 A 1440 1344 21.08      
12 A 1356 1266 6.38      
13 A 1266 1182 62.55      
14 A 1227 1145 11.74      
15 A 1202 1123 81.64      
16 A 1060 990 8.73      
17 A 986 920 31.92      
18 A 924 863 20.57      
19 A 616 575 1.34      
20 A 407 380 2.88      
21 A 360 336 0.96      
22 A 265 247 12.05      
23 A 186 174 4.30      
24 A 119 111 8.58      

Unscaled Zero Point Vibrational Energy (zpe) 17830.2 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 16648.1 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/TZVP
ABC
0.39832 0.11548 0.09665

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.527 -0.787 0.132
O2 1.092 0.441 -0.422
C3 -0.054 0.937 0.205
C4 -1.232 0.058 0.031
N5 -2.138 -0.635 -0.096
H6 2.469 -1.031 -0.348
H7 0.808 -1.587 -0.056
H8 1.686 -0.693 1.211
H9 -0.276 1.902 -0.242
H10 0.101 1.077 1.279

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.41522.33992.88713.67531.08511.09181.09393.25902.6120
O21.41521.39722.39833.41992.01682.07962.07472.01002.0691
C32.33991.39721.47992.62733.24702.67932.58781.08661.0946
C42.88712.39831.47991.14753.87612.62183.23572.09532.0912
N53.67533.41992.62731.14754.63053.09644.04123.15063.1357
H61.08512.01683.24703.87614.63051.77511.77684.01873.5637
H71.09182.07962.67932.62183.09641.77511.78083.65833.0622
H81.09392.07472.58783.23574.04121.77681.78083.56302.3773
H93.25902.01001.08662.09533.15064.01873.65833.56301.7708
H102.61202.06911.09462.09123.13573.56373.06222.37731.7708

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.604 O2 C1 H6 106.788
O2 C1 H7 111.445 O2 C1 H8 110.908
O2 C3 C4 112.910 O2 C3 H9 107.383
O2 C3 H10 111.699 C3 C4 N5 179.215
C4 C3 H9 108.485 C4 C3 H10 107.696
H6 C1 H7 109.255 H6 C1 H8 109.262
H7 C1 H8 109.128 H9 C3 H10 108.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability