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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-286.473322
Energy at 298.15K-286.481097
HF Energy-286.473322
Nuclear repulsion energy216.141816
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
4/u)
Dep P Dep U
1 A' 3154 3023 18.14      
2 A' 3069 2941 12.62      
3 A' 2987 2863 65.76      
4 A' 2979 2855 14.95      
5 A' 2390 2291 0.59      
6 A' 1539 1475 3.93      
7 A' 1509 1447 1.43      
8 A' 1502 1439 7.64      
9 A' 1454 1393 10.10      
10 A' 1412 1353 16.59      
11 A' 1382 1324 59.34      
12 A' 1184 1135 208.35      
13 A' 1156 1108 21.29      
14 A' 1062 1018 17.28      
15 A' 963 923 6.51      
16 A' 910 872 4.19      
17 A' 561 537 0.97      
18 A' 423 405 1.13      
19 A' 301 289 2.23      
20 A' 133 127 3.28      
21 A" 3160 3029 19.22      
22 A" 3020 2894 19.91      
23 A" 3011 2886 62.94      
24 A" 1491 1429 6.21      
25 A" 1305 1250 2.34      
26 A" 1258 1206 3.57      
27 A" 1188 1139 6.86      
28 A" 1032 989 0.71      
29 A" 827 793 1.06      
30 A" 380 365 1.65      
31 A" 247 237 0.33      
32 A" 114 109 6.59      
33 A" 76 73 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 23588.2 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 22606.9 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
0.52311 0.04986 0.04672

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 -0.951 2.537 0.000
C2 -1.240 1.052 0.000
O3 0.000 0.360 0.000
C4 -0.174 -1.031 0.000
C5 1.138 -1.685 0.000
N6 2.160 -2.233 0.000
H7 -1.886 3.104 0.000
H8 -0.375 2.816 0.886
H9 -0.375 2.816 -0.886
H10 -1.830 0.768 -0.888
H11 -1.830 0.768 0.888
H12 -0.732 -1.377 -0.887
H13 -0.732 -1.377 0.887

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51312.37593.65144.71065.69461.09391.09321.09322.16562.16564.01924.0192
C21.51311.41982.33933.62544.72722.15192.15532.15531.10291.10292.63512.6351
O32.37591.41981.40132.34013.37443.33022.63792.63792.07412.07412.08292.0829
C43.65142.33931.40131.46592.62534.47543.95243.95242.60082.60081.10351.1035
C54.71063.62542.34011.46591.15975.66424.83044.83043.95113.95112.09212.0921
N65.69464.72723.37442.62531.15976.69745.71845.71845.07045.07043.14343.1434
H71.09392.15193.33024.47545.66426.69741.77561.77562.49982.49984.71184.7118
H81.09322.15532.63793.95244.83045.71841.77561.77303.07512.51174.56634.2078
H91.09322.15532.63793.95244.83045.71841.77561.77302.51173.07514.20784.5663
H102.16561.10292.07412.60083.95115.07042.49983.07512.51171.77552.40962.9926
H112.16561.10292.07412.60083.95115.07042.49982.51173.07511.77552.99262.4096
H124.01922.63512.08291.10352.09213.14344.71184.56634.20782.40962.99261.7741
H134.01922.63512.08291.10352.09213.14344.71184.20784.56632.99262.40961.7741

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.162 C1 C2 H10 110.770
C1 C2 H11 110.770 C2 C1 H7 110.222
C2 C1 H8 110.536 C2 C1 H9 110.536
C2 O3 C4 112.036 O3 C2 H10 109.971
O3 C2 H11 109.971 O3 C4 C5 109.383
O3 C4 H12 111.967 O3 C4 H13 111.967
C4 C5 N6 178.340 C5 C4 H12 108.190
C5 C4 H13 108.190 H7 C1 H8 108.553
H7 C1 H9 108.553 H8 C1 H9 108.376
H10 C2 H11 107.202 H12 C4 H13 106.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability