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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-285.309087
Energy at 298.15K-285.316648
HF Energy-284.688701
Nuclear repulsion energy211.556120
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 MP2=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' 3162 3004 21.60      
2 A' 3076 2923 14.70      
3 A' 3026 2875 36.63      
4 A' 3024 2873 26.18      
5 A' 2120 2014 11.59      
6 A' 1596 1516 1.67      
7 A' 1576 1497 0.30      
8 A' 1572 1494 8.32      
9 A' 1491 1417 11.54      
10 A' 1469 1396 1.29      
11 A' 1410 1340 53.55      
12 A' 1171 1113 9.26      
13 A' 1086 1032 111.25      
14 A' 1020 969 32.78      
15 A' 948 901 8.77      
16 A' 863 820 11.69      
17 A' 517 491 0.32      
18 A' 413 392 1.16      
19 A' 273 259 1.87      
20 A' 120 114 2.41      
21 A" 3181 3022 23.08      
22 A" 3070 2917 11.77      
23 A" 3067 2914 67.28      
24 A" 1559 1481 5.86      
25 A" 1329 1263 0.11      
26 A" 1255 1193 2.18      
27 A" 1208 1148 8.27      
28 A" 1063 1010 2.19      
29 A" 863 820 0.80      
30 A" 301 286 0.47      
31 A" 251 239 0.68      
32 A" 100 95 9.92      
33 A" 70 67 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 23625.0 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 22446.2 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 MP2=FULL/6-31G
ABC
0.47917 0.04830 0.04501

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.907 2.592 0.000
C2 -1.276 1.111 0.000
O3 0.000 0.360 0.000
C4 -0.210 -1.093 0.000
C5 1.120 -1.733 0.000
N6 2.194 -2.268 0.000
H7 -1.815 3.211 0.000
H8 -0.314 2.832 0.890
H9 -0.314 2.832 -0.890
H10 -1.860 0.837 -0.894
H11 -1.860 0.837 0.894
H12 -0.779 -1.403 -0.893
H13 -0.779 -1.403 0.893

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52642.40913.75014.77615.76481.09891.09621.09622.18842.18844.09544.0954
C21.52641.48032.44773.71834.84302.16812.16372.16371.10301.10302.71342.7134
O32.40911.48031.46812.37363.42343.37952.64672.64672.11862.11862.12402.1240
C43.75012.44771.46811.47652.67624.59314.02654.02652.69202.69201.10291.1029
C54.77613.71832.37361.47651.19975.74914.86734.86734.03574.03572.12432.1243
N65.76484.84303.42342.67621.19976.78875.75315.75315.18445.18443.22233.2223
H71.09892.16813.37954.59315.74916.78871.78541.78542.53722.53724.81214.8121
H81.09622.16372.64674.02654.86735.75311.78541.78053.09162.52464.61894.2608
H91.09622.16372.64674.02654.86735.75311.78541.78052.52463.09164.26084.6189
H102.18841.10302.11862.69204.03575.18442.53723.09162.52461.78862.48733.0628
H112.18841.10302.11862.69204.03575.18442.53722.52463.09161.78863.06282.4873
H124.09542.71342.12401.10292.12433.22234.81214.61894.26082.48733.06281.7859
H134.09542.71342.12401.10292.12433.22234.81214.26084.61893.06282.48731.7859

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.493 C1 C2 H10 111.656
C1 C2 H11 111.656 C2 C1 H7 110.290
C2 C1 H8 110.100 C2 C1 H9 110.100
C2 O3 C4 112.239 O3 C2 H10 109.324
O3 C2 H11 109.324 O3 C4 C5 107.434
O3 C4 H12 110.606 O3 C4 H13 110.606
C4 C5 N6 179.176 C5 C4 H12 110.042
C5 C4 H13 110.042 H7 C1 H8 108.853
H7 C1 H9 108.853 H8 C1 H9 108.605
H10 C2 H11 108.344 H12 C4 H13 108.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability