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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-323.684178
Energy at 298.15K-323.693171
HF Energy-323.684178
Nuclear repulsion energy245.301618
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 B97D3/cc-pVTZ
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 3647 3596 33.09      
2 A 3529 3480 12.65      
3 A 3075 3032 26.41      
4 A 3066 3023 23.70      
5 A 2994 2952 18.53      
6 A 2993 2951 26.17      
7 A 2935 2894 46.25      
8 A 1782 1757 467.21      
9 A 1594 1571 107.57      
10 A 1490 1469 0.86      
11 A 1473 1452 3.63      
12 A 1457 1436 5.80      
13 A 1392 1373 4.53      
14 A 1375 1356 12.71      
15 A 1289 1271 292.93      
16 A 1280 1262 42.32      
17 A 1149 1133 4.12      
18 A 1123 1107 9.74      
19 A 1065 1050 13.83      
20 A 1040 1026 176.63      
21 A 959 945 27.61      
22 A 829 818 11.58      
23 A 823 811 1.51      
24 A 745 734 19.58      
25 A 563 555 18.45      
26 A 539 531 2.61      
27 A 514 507 66.74      
28 A 384 379 100.67      
29 A 369 364 19.52      
30 A 249 245 0.34      
31 A 210 207 2.56      
32 A 105 103 0.80      
33 A 84 83 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 23058.9 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 22736.1 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 B97D3/cc-pVTZ
ABC
0.29215 0.07015 0.05791

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.569 -0.246 0.036
H2 2.703 -0.862 -0.858
H3 3.384 0.483 0.083
H4 2.627 -0.893 0.915
C5 1.235 0.474 -0.005
H6 1.090 1.087 0.893
H7 1.181 1.126 -0.890
O8 0.200 -0.528 -0.079
N9 -1.399 1.167 0.074
H10 -0.750 1.846 -0.292
H11 -2.375 1.385 -0.054
C12 -1.122 -0.185 -0.009
O13 -1.970 -1.047 0.023

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09331.09481.09321.51642.16792.16062.38854.21183.93675.20643.69184.6087
H21.09331.77701.77452.15983.07642.50392.64234.66944.42395.61003.97594.7580
H31.09481.77701.77722.15112.50742.49363.34514.83194.36945.83104.55675.5687
H41.09321.77451.77722.15782.50723.07112.64854.60024.51285.58143.92624.6853
C51.51642.15982.15112.15781.09731.10061.44292.72462.42973.72322.44773.5478
H62.16793.07642.50742.50721.09731.78642.08432.62112.31603.60402.70603.8303
H72.16062.50392.49363.07111.10061.78642.08772.75412.14563.66162.79293.9351
O82.38852.64233.34512.64851.44292.08432.08772.33482.56573.20751.36762.2330
N94.21184.66944.83194.60022.72462.62112.75412.33481.00771.00821.38202.2874
H103.93674.42394.36944.51282.42972.31602.14562.56571.00771.70552.08373.1557
H115.20645.61005.83105.58143.72323.60403.66163.20751.00821.70552.00862.4672
C123.69183.97594.55673.92622.44772.70602.79291.36761.38202.08372.00861.2098
O134.60874.75805.56874.68533.54783.83033.93512.23302.28743.15572.46721.2098

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.193 C1 C5 H7 110.164
C1 C5 O8 107.832 H2 C1 H3 108.582
H2 C1 H4 108.453 H2 C1 C5 110.564
H3 C1 H4 108.634 H3 C1 C5 110.194
H4 C1 C5 110.357 C5 O8 C12 121.742
H6 C5 H7 108.529 H6 C5 O8 109.497
H7 C5 O8 109.613 O8 C12 N9 116.782
O8 C12 O13 119.797 N9 C12 O13 123.421
H10 N9 H11 114.831 H10 N9 C12 119.891
H11 N9 C12 112.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 H 0.095      
3 H 0.079      
4 H 0.097      
5 C 0.037      
6 H 0.070      
7 H 0.050      
8 O -0.186      
9 N -0.224      
10 H 0.144      
11 H 0.159      
12 C 0.240      
13 O -0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.382 4.178 -0.583 4.845
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.796 -5.841 0.963
y -5.841 -36.000 -1.356
z 0.963 -1.356 -36.152
Traceless
 xyz
x 0.280 -5.841 0.963
y -5.841 -0.026 -1.356
z 0.963 -1.356 -0.254
Polar
3z2-r2-0.507
x2-y20.204
xy-5.841
xz0.963
yz-1.356


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.999 0.237 -0.048
y 0.237 7.954 -0.054
z -0.048 -0.054 5.798


<r2> (average value of r2) Å2
<r2> 193.636
(<r2>)1/2 13.915