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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-283.908413
Energy at 298.15K-283.916166
HF Energy-283.239282
Nuclear repulsion energy211.932271
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/3-21G
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' 3120 3054        
2 A' 3048 2984        
3 A' 2984 2920        
4 A' 2981 2918        
5 A' 2171 2125        
6 A' 1604 1570        
7 A' 1583 1549        
8 A' 1579 1545        
9 A' 1474 1443        
10 A' 1462 1431        
11 A' 1393 1364        
12 A' 1155 1131        
13 A' 1074 1051        
14 A' 985 964        
15 A' 924 905        
16 A' 864 845        
17 A' 557 545        
18 A' 406 397        
19 A' 297 291        
20 A' 129 126        
21 A" 3131 3065        
22 A" 3015 2951        
23 A" 3008 2945        
24 A" 1564 1531        
25 A" 1328 1299        
26 A" 1270 1244        
27 A" 1203 1177        
28 A" 1069 1047        
29 A" 864 846        
30 A" 419 410        
31 A" 242 236        
32 A" 105 103        
33 A" 73 71        

Unscaled Zero Point Vibrational Energy (zpe) 23539.2 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 23040.2 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/3-21G
ABC
0.47269 0.04885 0.04542

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.996 2.551 0.000
C2 -1.316 1.045 0.000
O3 0.000 0.363 0.000
C4 -0.177 -1.098 0.000
C5 1.178 -1.691 0.000
N6 2.265 -2.160 0.000
H7 -1.923 3.141 0.000
H8 -0.407 2.799 0.891
H9 -0.407 2.799 -0.891
H10 -1.896 0.760 -0.895
H11 -1.896 0.760 0.895
H12 -0.729 -1.440 -0.894
H13 -0.729 -1.440 0.894

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.53962.40483.74064.76765.73041.09861.09681.09682.19502.19504.09894.0989
C21.53961.48222.42733.70264.80602.18232.16662.16661.10401.10402.70542.7054
O32.40481.48221.47192.36803.39063.37922.62562.62562.13382.13382.14022.1402
C43.74062.42731.47191.47942.66304.58524.00434.00432.68502.68501.10471.1047
C54.76763.70262.36801.47941.18365.74234.84444.84444.03254.03252.12152.1215
N65.73044.80603.39062.66301.18366.75645.70325.70325.16165.16163.20683.2068
H71.09862.18233.37924.58525.74236.75641.79171.79172.54402.54404.81804.8180
H81.09682.16662.62564.00434.84445.70321.79171.78293.09232.52404.61054.2508
H91.09682.16662.62564.00434.84445.70321.79171.78292.52403.09234.25084.6105
H102.19501.10402.13382.68504.03255.16162.54403.09232.52401.79032.49033.0662
H112.19501.10402.13382.68504.03255.16162.54402.52403.09231.79033.06622.4903
H124.09892.70542.14021.10472.12153.20684.81804.61054.25082.49033.06621.7874
H134.09892.70542.14021.10472.12153.20684.81804.25084.61053.06622.49031.7874

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.449 C1 C2 H10 111.192
C1 C2 H11 111.192 C2 C1 H7 110.513
C2 C1 H8 109.385 C2 C1 H9 109.385
C2 O3 C4 110.506 O3 C2 H10 110.329
O3 C2 H11 110.329 O3 C4 C5 106.716
O3 C4 H12 111.538 O3 C4 H13 111.538
C4 C5 N6 179.715 C5 C4 H12 109.514
C5 C4 H13 109.514 H7 C1 H8 109.397
H7 C1 H9 109.397 H8 C1 H9 108.736
H10 C2 H11 108.349 H12 C4 H13 108.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability