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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-284.927168
Energy at 298.15K-284.935056
HF Energy-284.927168
Nuclear repulsion energy214.690186
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 mPW1PW91/3-21G*
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' 3172 3012 14.49      
2 A' 3093 2937 8.71      
3 A' 3024 2871 47.26      
4 A' 3018 2866 9.42      
5 A' 2391 2270 0.09      
6 A' 1591 1511 5.08      
7 A' 1571 1492 3.08      
8 A' 1563 1485 10.25      
9 A' 1468 1394 6.46      
10 A' 1463 1389 11.96      
11 A' 1389 1319 45.90      
12 A' 1168 1109 51.61      
13 A' 1113 1057 115.78      
14 A' 1028 976 7.21      
15 A' 971 922 11.60      
16 A' 899 853 5.55      
17 A' 601 570 0.73      
18 A' 416 395 1.57      
19 A' 310 294 1.86      
20 A' 133 126 2.06      
21 A" 3179 3019 15.90      
22 A" 3059 2905 36.51      
23 A" 3046 2893 32.96      
24 A" 1550 1472 8.95      
25 A" 1330 1263 0.04      
26 A" 1287 1222 0.77      
27 A" 1198 1137 8.91      
28 A" 1063 1010 0.39      
29 A" 869 825 2.64      
30 A" 466 443 0.06      
31 A" 236 224 0.59      
32 A" 114 108 7.75      
33 A" 77 73 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 23926.5 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 22720.6 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 mPW1PW91/3-21G*
ABC
0.49137 0.04997 0.04656

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.978 2.526 0.000
C2 -1.291 1.038 0.000
O3 0.000 0.359 0.000
C4 -0.167 -1.077 0.000
C5 1.159 -1.676 0.000
N6 2.218 -2.151 0.000
H7 -1.902 3.112 0.000
H8 -0.392 2.777 0.887
H9 -0.392 2.777 -0.887
H10 -1.871 0.757 -0.891
H11 -1.871 0.757 0.891
H12 -0.718 -1.424 -0.888
H13 -0.718 -1.424 0.888

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52072.37793.69354.71435.66521.09351.09251.09252.17282.17284.05714.0571
C21.52071.45862.39513.65604.74172.16232.14932.14931.09971.09972.67922.6792
O32.37791.45861.44582.34163.34963.34622.60552.60552.11022.11022.11712.1171
C43.69352.39511.44581.45512.61604.53423.96143.96142.65722.65721.10091.1009
C54.71433.65602.34161.45511.16095.68264.79804.79803.98663.98662.09142.0914
N65.66524.74173.34962.61601.16096.68395.64695.64695.09625.09623.15213.1521
H71.09352.16233.34624.53425.68266.68391.78271.78272.51842.51844.77154.7715
H81.09252.14932.60553.96144.79805.64691.78271.77413.07082.50374.57234.2136
H91.09252.14932.60553.96144.79805.64691.78271.77412.50373.07084.21364.5723
H102.17281.09972.11022.65723.98665.09622.51843.07082.50371.78212.46713.0417
H112.17281.09972.11022.65723.98665.09622.51842.50373.07081.78213.04172.4671
H124.05712.67922.11711.10092.09143.15214.77154.57234.21362.46713.04171.7763
H134.05712.67922.11711.10092.09143.15214.77154.21364.57233.04172.46711.7763

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.887 C1 C2 H10 111.008
C1 C2 H11 111.008 C2 C1 H7 110.547
C2 C1 H8 109.578 C2 C1 H9 109.578
C2 O3 C4 111.104 O3 C2 H10 110.356
O3 C2 H11 110.356 O3 C4 C5 107.648
O3 C4 H12 111.757 O3 C4 H13 111.757
C4 C5 N6 179.880 C5 C4 H12 109.031
C5 C4 H13 109.031 H7 C1 H8 109.269
H7 C1 H9 109.269 H8 C1 H9 108.568
H10 C2 H11 108.237 H12 C4 H13 107.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability