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All results from a given calculation for CH3OCH2CN (Methoxyacetonitrile)

using model chemistry: MP4=FULL/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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-246.587920
Energy at 298.15K-246.593437
HF Energy-245.785593
Nuclear repulsion energy156.175955
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/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' 3183 3061        
2 A' 3019 2904        
3 A' 3000 2884        
4 A' 2220 2134        
5 A' 1560 1500        
6 A' 1542 1483        
7 A' 1510 1452        
8 A' 1434 1379        
9 A' 1242 1194        
10 A' 1172 1127        
11 A' 1003 965        
12 A' 960 923        
13 A' 535 514        
14 A' 381 367        
15 A' 175 169        
16 A" 3082 2964        
17 A" 3037 2920        
18 A" 1532 1473        
19 A" 1274 1225        
20 A" 1196 1150        
21 A" 1054 1014        
22 A" 356 342        
23 A" 229 221        
24 A" 86 82        

Unscaled Zero Point Vibrational Energy (zpe) 17390.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 16722.8 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/6-31G*
ABC
0.96371 0.08170 0.07755

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.139 -0.335 0.000
O2 -0.740 -0.604 0.000
C3 0.000 0.600 0.000
C4 1.433 0.257 0.000
N5 2.588 0.018 0.000
H6 -2.638 -1.308 0.000
H7 -2.438 0.231 0.897
H8 -2.438 0.231 -0.897
H9 -0.220 1.213 -0.892
H10 -0.220 1.213 0.892

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42442.33463.62134.74021.09261.10191.10192.62242.6224
O21.42441.41352.33823.38592.02362.09372.09372.09062.0906
C32.33461.41351.47362.65223.25522.62382.62381.10481.1048
C43.62132.33821.47361.17894.36153.97393.97392.10812.1081
N54.74023.38592.65221.17895.39135.10955.10953.17933.1793
H61.09262.02363.25524.36155.39131.79181.79183.60503.6050
H71.10192.09372.62383.97395.10951.79181.79393.01402.4257
H81.10192.09372.62383.97395.10951.79181.79392.42573.0140
H92.62242.09061.10482.10813.17933.60503.01402.42571.7837
H102.62242.09061.10482.10813.17933.60502.42573.01401.7837

picture of Methoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 110.703 O2 C1 H6 106.271
O2 C1 H7 111.301 O2 C1 H8 111.301
O2 C3 C4 108.147 O2 C3 H9 111.642
O2 C3 H10 111.642 C3 C4 N5 178.242
C4 C3 H9 108.845 C4 C3 H10 108.845
H6 C1 H7 109.470 H6 C1 H8 109.470
H7 C1 H8 108.979 H9 C3 H10 107.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4=FULL/6-31G*
 hartrees
Energy at 0K-246.590772
Energy at 298.15K-246.596408
HF Energy-245.787476
Nuclear repulsion energy159.133683
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/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 3182 3060        
2 A 3133 3012        
3 A 3102 2982        
4 A 3029 2913        
5 A 3021 2905        
6 A 2201 2117        
7 A 1551 1492        
8 A 1535 1476        
9 A 1526 1467        
10 A 1510 1452        
11 A 1408 1354        
12 A 1325 1274        
13 A 1233 1186        
14 A 1200 1154        
15 A 1170 1125        
16 A 1049 1009        
17 A 954 918        
18 A 907 872        
19 A 589 567        
20 A 399 384        
21 A 346 332        
22 A 258 248        
23 A 176 170        
24 A 119 114        

Unscaled Zero Point Vibrational Energy (zpe) 17461.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 16790.6 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 MP4=FULL/6-31G*
ABC
0.39050 0.11308 0.09500

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.545 -0.790 0.141
O2 1.089 0.431 -0.445
C3 -0.049 0.944 0.212
C4 -1.238 0.072 0.038
N5 -2.166 -0.644 -0.099
H6 2.453 -1.065 -0.401
H7 0.797 -1.589 0.035
H8 1.779 -0.650 1.208
H9 -0.256 1.925 -0.230
H10 0.129 1.077 1.294

Atom - Atom Distances (Å)
  C1 O2 C3 C4 N5 H6 H7 H8 H9 H10
C11.42882.35592.91483.72171.09281.09981.10163.27882.6112
O21.42881.41072.40393.44572.02522.09702.09272.02182.0888
C32.35591.41071.48552.66503.26682.67662.62201.09601.1040
C42.91482.40391.48551.17973.88712.62673.31562.11502.1112
N53.72173.44572.66501.17974.64843.11344.15623.20423.1888
H61.09282.02523.26683.88714.64841.79081.79314.03863.5864
H71.09982.09702.67662.62673.11341.79081.79493.67843.0231
H81.10162.09272.62203.31564.15621.79311.79493.58372.3904
H93.27882.02181.09602.11503.20424.03863.67843.58371.7859
H102.61122.08881.10402.11123.18883.58643.02312.39041.7859

picture of Methoxyacetonitrile state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.131 O2 C1 H6 106.096
O2 C1 H7 111.401 O2 C1 H8 110.930
O2 C3 C4 112.175 O2 C3 H9 106.851
O2 C3 H10 111.753 C3 C4 N5 178.664
C4 C3 H9 109.102 C4 C3 H10 108.331
H6 C1 H7 109.519 H6 C1 H8 109.590
H7 C1 H8 109.248 H9 C3 H10 108.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability