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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-286.530619
Energy at 298.15K-286.538417
HF Energy-286.530619
Nuclear repulsion energy216.592588
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 B3PW91/6-311G*
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' 3131 3014 25.09      
2 A' 3054 2940 16.29      
3 A' 2987 2875 65.25      
4 A' 2977 2866 25.28      
5 A' 2381 2292 0.60      
6 A' 1542 1485 5.63      
7 A' 1514 1457 0.95      
8 A' 1508 1451 8.97      
9 A' 1459 1405 7.30      
10 A' 1415 1363 26.08      
11 A' 1391 1339 45.41      
12 A' 1171 1128 204.95      
13 A' 1157 1114 35.15      
14 A' 1059 1020 19.67      
15 A' 965 929 7.34      
16 A' 910 876 5.30      
17 A' 565 544 1.10      
18 A' 422 407 1.32      
19 A' 303 291 1.88      
20 A' 133 128 3.30      
21 A" 3135 3018 27.81      
22 A" 3013 2901 1.18      
23 A" 3007 2894 86.44      
24 A" 1495 1439 8.94      
25 A" 1316 1267 3.10      
26 A" 1273 1226 3.77      
27 A" 1192 1147 7.42      
28 A" 1036 998 1.14      
29 A" 829 798 0.75      
30 A" 382 368 1.33      
31 A" 250 240 0.37      
32 A" 115 111 6.67      
33 A" 75 72 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 23580.7 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 22701.1 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 B3PW91/6-311G*
ABC
0.52744 0.05002 0.04689

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.971 2.526 0.000
C2 -1.245 1.041 0.000
O3 0.000 0.359 0.000
C4 -0.162 -1.031 0.000
C5 1.149 -1.676 0.000
N6 2.168 -2.213 0.000
H7 -1.910 3.086 0.000
H8 -0.398 2.812 0.885
H9 -0.398 2.812 -0.885
H10 -1.828 0.750 -0.887
H11 -1.828 0.750 0.887
H12 -0.718 -1.376 -0.886
H13 -0.718 -1.376 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51002.37443.64804.70685.68451.09321.09231.09232.16292.16294.00984.0098
C21.51001.41912.33783.62104.71542.15082.15282.15281.10131.10132.62802.6280
O32.37441.41911.40002.33743.36413.32932.63742.63742.06932.06932.07702.0770
C43.64802.33781.40001.46122.61304.47303.95053.95052.59482.59481.10161.1016
C54.70683.62102.33741.46121.15215.66024.82894.82893.94133.94132.08802.0880
N65.68454.71543.36412.61301.15216.68675.71105.71105.05315.05313.13293.1329
H71.09322.15083.32934.47305.66026.68671.77311.77312.50102.50104.70344.7034
H81.09232.15282.63743.95054.82895.71101.77311.77013.07222.50944.55844.2002
H91.09232.15282.63743.95054.82895.71101.77311.77012.50943.07224.20024.5584
H102.16291.10132.06932.59483.94135.05312.50103.07222.50941.77472.39832.9829
H112.16291.10132.06932.59483.94135.05312.50102.50943.07221.77472.98292.3983
H124.00982.62802.07701.10162.08803.13294.70344.55844.20022.39832.98291.7727
H134.00982.62802.07701.10162.08803.13294.70344.20024.55842.98292.39831.7727

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.276 C1 C2 H10 110.870
C1 C2 H11 110.870 C2 C1 H7 110.397
C2 C1 H8 110.616 C2 C1 H9 110.616
C2 O3 C4 112.048 O3 C2 H10 109.730
O3 C2 H11 109.730 O3 C4 C5 109.543
O3 C4 H12 111.699 O3 C4 H13 111.699
C4 C5 N6 178.448 C5 C4 H12 108.312
C5 C4 H13 108.312 H7 C1 H8 108.445
H7 C1 H9 108.445 H8 C1 H9 108.247
H10 C2 H11 107.362 H12 C4 H13 107.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability