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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-286.481497
Energy at 298.15K-286.489260
HF Energy-286.481497
Nuclear repulsion energy215.985012
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3150 3039 15.52      
2 A' 3058 2951 13.47      
3 A' 2977 2873 60.55      
4 A' 2969 2865 20.32      
5 A' 2381 2298 0.87      
6 A' 1503 1450 4.67      
7 A' 1473 1422 1.96      
8 A' 1466 1415 5.85      
9 A' 1432 1382 8.82      
10 A' 1384 1336 20.75      
11 A' 1358 1311 58.61      
12 A' 1182 1140 218.52      
13 A' 1147 1107 18.85      
14 A' 1065 1028 19.42      
15 A' 964 930 4.71      
16 A' 908 876 5.43      
17 A' 560 540 0.77      
18 A' 421 406 1.10      
19 A' 299 289 1.73      
20 A' 131 127 3.00      
21 A" 3152 3041 16.85      
22 A" 3012 2907 4.63      
23 A" 3004 2899 77.78      
24 A" 1451 1400 7.01      
25 A" 1286 1241 2.32      
26 A" 1238 1195 4.06      
27 A" 1170 1129 7.28      
28 A" 1015 979 0.87      
29 A" 821 793 1.05      
30 A" 377 364 1.00      
31 A" 248 239 0.37      
32 A" 110 107 5.81      
33 A" 74 71 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 23392.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22573.5 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 B3PW91/cc-pVDZ
ABC
0.52252 0.04984 0.04672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.956 2.535 0.000
C2 -1.240 1.050 0.000
O3 0.000 0.360 0.000
C4 -0.172 -1.029 0.000
C5 1.140 -1.684 0.000
N6 2.163 -2.231 0.000
H7 -1.898 3.104 0.000
H8 -0.376 2.818 0.892
H9 -0.376 2.818 -0.892
H10 -1.833 0.762 -0.892
H11 -1.833 0.762 0.892
H12 -0.732 -1.380 -0.892
H13 -0.732 -1.380 0.892

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51162.37563.64954.71035.69581.10031.10011.10012.17032.17034.02154.0215
C21.51161.41892.33783.62444.72732.15612.15972.15971.10971.10972.63812.6381
O32.37561.41891.40002.34003.37543.33592.64152.64152.07772.07772.08772.0877
C43.64952.33781.40001.46582.62634.47873.95453.95452.60052.60051.10981.1098
C54.71033.62442.34001.46581.16075.66954.83304.83303.95123.95122.09522.0952
N65.69584.72733.37542.62631.16076.70445.72155.72155.07175.07173.14663.1466
H71.10032.15613.33594.47875.66956.70441.78621.78622.50692.50694.71774.7177
H81.10012.15972.64153.95454.83305.72151.78621.78303.08732.51984.57484.2129
H91.10012.15972.64153.95454.83305.72151.78621.78302.51983.08734.21294.5748
H102.17031.10972.07772.60053.95125.07172.50693.08732.51981.78462.40812.9970
H112.17031.10972.07772.60053.95125.07172.50692.51983.08731.78462.99702.4081
H124.02152.63812.08771.10982.09523.14664.71774.57484.21292.40812.99701.7836
H134.02152.63812.08771.10982.09523.14664.71774.21294.57482.99702.40811.7836

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.283 C1 C2 H10 110.850
C1 C2 H11 110.850 C2 C1 H7 110.285
C2 C1 H8 110.581 C2 C1 H9 110.581
C2 O3 C4 112.059 O3 C2 H10 109.907
O3 C2 H11 109.907 O3 C4 C5 109.457
O3 C4 H12 112.054 O3 C4 H13 112.054
C4 C5 N6 178.382 C5 C4 H12 108.082
C5 C4 H13 108.082 H7 C1 H8 108.532
H7 C1 H9 108.532 H8 C1 H9 108.261
H10 C2 H11 107.045 H12 C4 H13 106.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability