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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP4/6-311G**

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 MP4/6-311G**
 hartrees
Energy at 0K-246.709659
Energy at 298.15K-246.715160
HF Energy-245.848940
Nuclear repulsion energy156.439117
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 MP4/6-311G**
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 3066        
2 A' 3002 2911        
3 A' 2994 2904        
4 A' 2189 2123        
5 A' 1536 1489        
6 A' 1513 1468        
7 A' 1490 1445        
8 A' 1423 1380        
9 A' 1236 1198        
10 A' 1166 1130        
11 A' 1006 975        
12 A' 946 918        
13 A' 536 520        
14 A' 378 366        
15 A' 176 170        
16 A" 3060 2968        
17 A" 3031 2939        
18 A" 1495 1450        
19 A" 1268 1229        
20 A" 1191 1155        
21 A" 1037 1006        
22 A" 352 341        
23 A" 221 214        
24 A" 74 72        

Unscaled Zero Point Vibrational Energy (zpe) 17240.0 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 16717.7 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 MP4/6-311G**
ABC
0.96958 0.08189 0.07776

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.136 -0.315 0.000
O2 -0.746 -0.605 0.000
C3 0.000 0.592 0.000
C4 1.437 0.252 0.000
N5 2.585 0.003 0.000
H6 -2.655 -1.276 0.000
H7 -2.424 0.257 0.897
H8 -2.424 0.257 -0.897
H9 -0.214 1.204 -0.893
H10 -0.214 1.204 0.893

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42052.32043.61744.73161.09231.10191.10192.60722.6072
O21.42051.40982.34433.38542.02352.08942.08942.08592.0859
C32.32041.40981.47642.65083.24572.60682.60681.10361.1036
C43.61742.34431.47641.17454.36713.96403.96402.10442.1044
N54.73163.38542.65081.17455.39335.09525.09523.17343.1734
H61.09232.02353.24574.36715.39331.79071.79073.59213.5921
H71.10192.08942.60683.96405.09521.79071.79422.99802.4049
H81.10192.08942.60683.96405.09521.79071.79422.40492.9980
H92.60722.08591.10362.10443.17343.59212.99802.40491.7861
H102.60722.08591.10362.10443.17343.59212.40492.99801.7861

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.135 O2 C1 H6 106.540
O2 C1 H7 111.228 O2 C1 H8 111.228
O2 C3 C4 108.610 O2 C3 H9 111.601
O2 C3 H10 111.601 C3 C4 N5 178.874
C4 C3 H9 108.444 C4 C3 H10 108.444
H6 C1 H7 109.394 H6 C1 H8 109.394
H7 C1 H8 109.008 H9 C3 H10 108.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-246.712360
Energy at 298.15K-246.718012
HF Energy-245.850538
Nuclear repulsion energy159.371458
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 MP4/6-311G**
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 3162 3066        
2 A 3129 3034        
3 A 3077 2984        
4 A 3016 2924        
5 A 3008 2917        
6 A 2168 2102        
7 A 1525 1479        
8 A 1503 1457        
9 A 1497 1452        
10 A 1486 1441        
11 A 1396 1354        
12 A 1321 1281        
13 A 1227 1190        
14 A 1195 1159        
15 A 1163 1128        
16 A 1033 1002        
17 A 955 926        
18 A 893 866        
19 A 590 572        
20 A 398 386        
21 A 344 334        
22 A 258 250        
23 A 176 171        
24 A 116 113        

Unscaled Zero Point Vibrational Energy (zpe) 17317.4 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 16792.7 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 MP4/6-311G**
ABC
0.39376 0.11300 0.09515

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.540 -0.788 0.140
O2 1.093 0.431 -0.446
C3 -0.041 0.939 0.213
C4 -1.239 0.070 0.040
N5 -2.169 -0.635 -0.101
H6 2.455 -1.066 -0.388
H7 0.794 -1.588 0.024
H8 1.760 -0.651 1.210
H9 -0.255 1.919 -0.224
H10 0.135 1.061 1.295

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42432.34262.91073.72011.09231.09991.10173.26852.5943
O21.42431.40632.40913.44882.02462.09392.08812.01992.0847
C32.34261.40631.48972.66523.25742.66772.60171.09451.1031
C42.91072.40911.48971.17563.88882.62383.30012.11132.1086
N53.72013.44882.66521.17564.65313.11494.14263.19473.1834
H61.09232.02463.25743.88884.65311.78931.79174.03483.5697
H71.09992.09392.66772.62383.11491.78931.79453.66883.0116
H81.10172.08812.60173.30014.14261.79171.79453.56722.3630
H93.26852.01991.09452.11133.19474.03483.66883.56721.7872
H102.59432.08471.10312.10863.18343.56973.01162.36301.7872

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.698 O2 C1 H6 106.376
O2 C1 H7 111.446 O2 C1 H8 110.863
O2 C3 C4 112.549 O2 C3 H9 107.085
O2 C3 H10 111.785 C3 C4 N5 178.729
C4 C3 H9 108.606 C4 C3 H10 107.897
H6 C1 H7 109.413 H6 C1 H8 109.500
H7 C1 H8 109.189 H9 C3 H10 108.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability