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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-286.464419
Energy at 298.15K-286.472196
HF Energy-286.464419
Nuclear repulsion energy216.130360
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 B3PW91/6-31G*
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' 3155 3018 19.60      
2 A' 3074 2941 13.13      
3 A' 2995 2865 66.60      
4 A' 2987 2858 14.19      
5 A' 2390 2287 0.53      
6 A' 1555 1488 3.55      
7 A' 1526 1460 1.23      
8 A' 1520 1454 7.95      
9 A' 1466 1402 10.25      
10 A' 1427 1365 15.59      
11 A' 1394 1334 63.75      
12 A' 1187 1135 204.56      
13 A' 1162 1111 24.18      
14 A' 1065 1019 17.58      
15 A' 966 924 7.46      
16 A' 914 874 4.18      
17 A' 561 537 1.01      
18 A' 424 405 1.16      
19 A' 302 289 2.25      
20 A' 133 127 3.25      
21 A" 3161 3024 20.68      
22 A" 3026 2895 19.90      
23 A" 3017 2886 66.75      
24 A" 1508 1443 6.61      
25 A" 1314 1257 2.31      
26 A" 1269 1214 3.59      
27 A" 1197 1145 7.13      
28 A" 1042 997 0.77      
29 A" 832 796 1.00      
30 A" 381 365 1.70      
31 A" 249 238 0.33      
32 A" 115 110 6.58      
33 A" 77 74 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 23693.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 22667.3 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 B3PW91/6-31G*
ABC
0.52241 0.04988 0.04673

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.950 2.537 0.000
C2 -1.239 1.051 0.000
O3 0.000 0.359 0.000
C4 -0.175 -1.031 0.000
C5 1.138 -1.686 0.000
N6 2.160 -2.232 0.000
H7 -1.887 3.105 0.000
H8 -0.374 2.816 0.887
H9 -0.374 2.816 -0.887
H10 -1.828 0.767 -0.888
H11 -1.828 0.767 0.888
H12 -0.734 -1.374 -0.888
H13 -0.734 -1.374 0.888

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51382.37603.65114.71065.69401.09501.09421.09422.16672.16674.01654.0165
C21.51381.41932.33823.62484.72642.15322.15642.15641.10331.10332.63162.6316
O32.37601.41931.40112.34013.37403.33112.63842.63842.07312.07312.08142.0814
C43.65112.33821.40111.46692.62634.47573.95253.95252.59872.59871.10381.1038
C54.71063.62482.34011.46691.15965.66514.83054.83053.94963.94962.09492.0949
N65.69404.72643.37402.62631.15966.69795.71775.71775.06875.06873.14683.1468
H71.09502.15323.33114.47575.66516.69791.77751.77752.50182.50184.70924.7092
H81.09422.15642.63843.95254.83055.71771.77751.77483.07702.51284.56464.2054
H91.09422.15642.63843.95254.83055.71771.77751.77482.51283.07704.20544.5646
H102.16671.10332.07312.59873.94965.06872.50183.07702.51281.77702.40422.9890
H112.16671.10332.07312.59873.94965.06872.50182.51283.07701.77702.98902.4042
H124.01652.63162.08141.10382.09493.14684.70924.56464.20542.40422.98901.7750
H134.01652.63162.08141.10382.09493.14684.70924.20544.56462.98902.40421.7750

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.160 C1 C2 H10 110.798
C1 C2 H11 110.798 C2 C1 H7 110.212
C2 C1 H8 110.523 C2 C1 H9 110.523
C2 O3 C4 111.994 O3 C2 H10 109.903
O3 C2 H11 109.903 O3 C4 C5 109.337
O3 C4 H12 111.840 O3 C4 H13 111.840
C4 C5 N6 178.383 C5 C4 H12 108.329
C5 C4 H13 108.329 H7 C1 H8 108.568
H7 C1 H9 108.568 H8 C1 H9 108.382
H10 C2 H11 107.284 H12 C4 H13 107.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability