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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP4=FULL/aug-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 MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-246.688149
Energy at 298.15K-246.693606
HF Energy-245.818480
Nuclear repulsion energy155.309634
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 MP4=FULL/aug-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' 3160 3082        
2 A' 2993 2919        
3 A' 2987 2913        
4 A' 2168 2114        
5 A' 1489 1452        
6 A' 1475 1439        
7 A' 1450 1414        
8 A' 1383 1349        
9 A' 1205 1175        
10 A' 1128 1101        
11 A' 975 951        
12 A' 938 915        
13 A' 523 510        
14 A' 372 363        
15 A' 171 167        
16 A" 3062 2986        
17 A" 3031 2955        
18 A" 1473 1437        
19 A" 1240 1209        
20 A" 1161 1133        
21 A" 1017 991        
22 A" 343 334        
23 A" 219 213        
24 A" 82 80        

Unscaled Zero Point Vibrational Energy (zpe) 17022.4 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 16600.2 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 MP4=FULL/aug-cc-pVDZ
ABC
0.95970 0.08066 0.07663

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.153 -0.325 0.000
O2 -0.748 -0.615 0.000
C3 0.000 0.594 0.000
C4 1.444 0.257 0.000
N5 2.604 0.021 0.000
H6 -2.671 -1.295 0.000
H7 -2.438 0.249 0.904
H8 -2.438 0.249 -0.904
H9 -0.223 1.206 -0.899
H10 -0.223 1.206 0.899

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.43422.34113.64324.76981.09901.10821.10822.62272.6227
O21.43421.42172.35873.41222.03932.10222.10222.09722.0972
C32.34111.42171.48242.66693.27122.62322.62321.11001.1100
C43.64322.35871.48241.18484.39723.98563.98562.11762.1176
N54.76983.41222.66691.18485.43665.12815.12813.19453.1945
H61.09902.03933.27124.39725.43661.80381.80383.61293.6129
H71.10822.10222.62323.98565.12811.80381.80783.01272.4133
H81.10822.10222.62323.98565.12811.80381.80782.41333.0127
H92.62272.09721.11002.11763.19453.61293.01272.41331.7989
H102.62272.09721.11002.11763.19453.61292.41333.01271.7989

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.109 O2 C1 H6 106.474
O2 C1 H7 110.899 O2 C1 H8 110.899
O2 C3 C4 108.602 O2 C3 H9 111.267
O2 C3 H10 111.267 C3 C4 N5 178.376
C4 C3 H9 108.692 C4 C3 H10 108.692
H6 C1 H7 109.615 H6 C1 H8 109.615
H7 C1 H8 109.296 H9 C3 H10 108.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-246.690787
Energy at 298.15K-246.696358
HF Energy-245.819844
Nuclear repulsion energy158.301876
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 MP4=FULL/aug-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 3161 3083        
2 A 3124 3046        
3 A 3080 3003        
4 A 3008 2934        
5 A 3002 2928        
6 A 2147 2094        
7 A 1487 1450        
8 A 1475 1438        
9 A 1459 1423        
10 A 1449 1413        
11 A 1361 1327        
12 A 1290 1258        
13 A 1198 1168        
14 A 1162 1133        
15 A 1125 1098        
16 A 1012 987        
17 A 926 903        
18 A 884 862        
19 A 577 563        
20 A 385 376        
21 A 335 327        
22 A 249 242        
23 A 172 167        
24 A 112 109        

Unscaled Zero Point Vibrational Energy (zpe) 17089.8 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 16666.0 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 MP4=FULL/aug-cc-pVDZ
ABC
0.38497 0.11224 0.09407

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.540 -0.803 0.140
O2 1.105 0.438 -0.442
C3 -0.043 0.951 0.213
C4 -1.242 0.074 0.036
N5 -2.177 -0.642 -0.100
H6 2.457 -1.089 -0.395
H7 0.774 -1.591 0.014
H8 1.761 -0.671 1.217
H9 -0.255 1.936 -0.233
H10 0.131 1.077 1.301

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.43832.36512.91913.72891.09901.10631.10773.29652.6216
O21.43831.41832.42303.47292.04032.10592.10072.03412.0964
C32.36511.41831.49602.68173.28432.67802.62671.10131.1092
C42.91912.42301.49601.18583.90142.61433.31202.12512.1194
N53.72893.47292.68171.18584.66543.10194.15313.21923.2012
H61.09902.04033.28433.90144.66541.80341.80474.06633.6030
H71.10632.10592.67802.61433.10191.80341.80813.68243.0316
H81.10772.10072.62673.31204.15311.80471.80813.60092.3924
H93.29652.03411.10132.12513.21924.06633.68243.60091.7997
H102.62162.09641.10922.11943.20123.60303.03162.39241.7997

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.771 O2 C1 H6 106.278
O2 C1 H7 111.034 O2 C1 H8 110.519
O2 C3 C4 112.460 O2 C3 H9 106.998
O2 C3 H10 111.496 C3 C4 N5 178.783
C4 C3 H9 108.853 C4 C3 H10 107.962
H6 C1 H7 109.724 H6 C1 H8 109.735
H7 C1 H8 109.501 H9 C3 H10 109.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability