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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B1B95/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-286.541628
Energy at 298.15K-286.549421
HF Energy-286.541628
Nuclear repulsion energy217.295949
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 B1B95/TZVP
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' 3156 3020 18.48      
2 A' 3077 2944 12.60      
3 A' 3004 2874 59.90      
4 A' 2998 2869 20.24      
5 A' 2413 2309 0.79      
6 A' 1533 1467 5.39      
7 A' 1504 1439 0.98      
8 A' 1498 1433 8.30      
9 A' 1452 1390 5.84      
10 A' 1413 1352 22.35      
11 A' 1388 1328 46.41      
12 A' 1179 1129 216.91      
13 A' 1159 1109 21.43      
14 A' 1068 1022 20.79      
15 A' 967 925 6.62      
16 A' 912 873 5.92      
17 A' 563 539 0.84      
18 A' 420 402 1.35      
19 A' 299 286 1.78      
20 A' 132 126 3.37      
21 A" 3162 3025 19.98      
22 A" 3035 2905 6.01      
23 A" 3028 2898 62.02      
24 A" 1485 1421 7.43      
25 A" 1307 1251 3.04      
26 A" 1266 1212 3.15      
27 A" 1188 1137 6.63      
28 A" 1029 985 1.11      
29 A" 826 791 0.76      
30 A" 376 360 1.22      
31 A" 248 237 0.33      
32 A" 114 109 7.01      
33 A" 74 70 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 23635.6 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 22617.0 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 B1B95/TZVP
ABC
0.53758 0.05020 0.04712

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.019 2.502 0.000
C2 -1.255 1.017 0.000
O3 0.000 0.363 0.000
C4 -0.141 -1.026 0.000
C5 1.175 -1.653 0.000
N6 2.194 -2.179 0.000
H7 -1.970 3.032 0.000
H8 -0.457 2.801 0.883
H9 -0.457 2.801 -0.883
H10 -1.829 0.714 -0.885
H11 -1.829 0.714 0.885
H12 -0.686 -1.379 -0.884
H13 -0.686 -1.379 0.884

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.50422.36953.63584.69885.67751.08881.08791.08792.15332.15333.99483.9948
C21.50421.41542.32703.61014.70202.13802.14452.14451.09691.09692.61662.6166
O32.36951.41541.39602.33333.35763.31732.63282.63282.06192.06192.07072.0707
C43.63582.32701.39601.45712.60374.45103.94003.94002.58092.58091.09751.0975
C54.69883.61012.33331.45711.14695.64254.82504.82503.92533.92532.07832.0783
N65.67754.70203.35762.60371.14696.67015.71015.71015.03345.03343.11713.1171
H71.08882.13803.31734.45105.64256.67011.76671.76672.48472.48474.67834.6783
H81.08792.14452.63283.94004.82505.71011.76671.76553.05932.49724.54394.1862
H91.08792.14452.63283.94004.82505.71011.76671.76552.49723.05934.18624.5439
H102.15331.09692.06192.58093.92535.03342.48473.05932.49721.76922.38492.9694
H112.15331.09692.06192.58093.92535.03342.48472.49723.05931.76922.96942.3849
H123.99482.61662.07071.09752.07833.11714.67834.54394.18622.38492.96941.7687
H133.99482.61662.07071.09752.07833.11714.67834.18624.54392.96942.38491.7687

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.464 C1 C2 H10 110.776
C1 C2 H11 110.776 C2 C1 H7 110.048
C2 C1 H8 110.619 C2 C1 H9 110.619
C2 O3 C4 111.727 O3 C2 H10 109.659
O3 C2 H11 109.659 O3 C4 C5 109.715
O3 C4 H12 111.736 O3 C4 H13 111.736
C4 C5 N6 178.221 C5 C4 H12 108.064
C5 C4 H13 108.064 H7 C1 H8 108.511
H7 C1 H9 108.511 H8 C1 H9 108.470
H10 C2 H11 107.499 H12 C4 H13 107.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability