return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-323.681981
Energy at 298.15K-323.690934
HF Energy-323.681981
Nuclear repulsion energy245.372238
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 B97D3/6-311+G(3df,2p)
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 3653 3606 37.00      
2 A 3535 3489 14.28      
3 A 3070 3031 25.31      
4 A 3060 3020 22.27      
5 A 2989 2950 23.91      
6 A 2988 2950 18.27      
7 A 2932 2894 43.10      
8 A 1770 1747 517.36      
9 A 1593 1572 110.03      
10 A 1487 1468 1.18      
11 A 1472 1453 4.05      
12 A 1457 1438 6.45      
13 A 1390 1372 4.27      
14 A 1373 1355 13.12      
15 A 1285 1268 308.41      
16 A 1278 1261 40.30      
17 A 1147 1133 3.85      
18 A 1121 1106 9.49      
19 A 1063 1050 14.67      
20 A 1038 1025 177.32      
21 A 959 947 25.50      
22 A 830 819 10.16      
23 A 821 810 0.91      
24 A 744 735 17.38      
25 A 563 556 14.27      
26 A 540 533 3.16      
27 A 510 503 50.79      
28 A 374 369 17.20      
29 A 356 352 119.59      
30 A 248 244 0.25      
31 A 210 207 2.67      
32 A 103 102 0.85      
33 A 85 84 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 23022.3 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 22723.0 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 B97D3/6-311+G(3df,2p)
ABC
0.29274 0.07012 0.05790

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.570 -0.246 0.029
H2 2.699 -0.859 -0.867
H3 3.385 0.485 0.072
H4 2.637 -0.894 0.906
C5 1.236 0.475 -0.002
H6 1.096 1.085 0.900
H7 1.173 1.127 -0.886
O8 0.199 -0.526 -0.068
N9 -1.403 1.164 0.067
H10 -0.748 1.855 -0.265
H11 -2.379 1.386 -0.058
C12 -1.121 -0.185 -0.008
O13 -1.968 -1.048 0.019

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09331.09481.09321.51702.16832.16182.39024.21623.93825.21213.69164.6084
H21.09331.77671.77472.16113.07732.50502.64654.66854.42845.61133.97304.7543
H31.09481.77671.77682.15052.50662.49463.34564.83594.36715.83534.55575.5679
H41.09321.77471.77682.15922.50803.07252.65144.61134.51535.59363.93174.6917
C51.51702.16112.15052.15921.09741.10041.44282.72812.43083.72822.44703.5470
H62.16833.07732.50662.50801.09741.78782.08262.63582.31363.61732.71143.8357
H72.16182.50502.49463.07251.10041.78782.08582.74642.14563.65622.78423.9259
O82.39022.64653.34562.65141.44282.08262.08582.33252.56973.20961.36392.2300
N94.21624.66854.83594.61132.72812.63582.74642.33251.00791.00851.38062.2839
H103.93824.42844.36714.51532.43082.31362.14562.56971.00791.70952.08943.1616
H115.21215.61135.83535.59363.72823.61733.65623.20961.00851.70952.01372.4703
C123.69163.97304.55573.93172.44702.71142.78421.36391.38062.08942.01371.2096
O134.60844.75435.56794.69173.54703.83573.92592.23002.28393.16162.47031.2096

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.223 C1 C5 H7 110.233
C1 C5 O8 107.910 H2 C1 H3 108.548
H2 C1 H4 108.452 H2 C1 C5 110.624
H3 C1 H4 108.600 H3 C1 C5 110.138
H4 C1 C5 110.419 C5 O8 C12 121.900
H6 C5 H7 108.603 H6 C5 O8 109.376
H7 C5 O8 109.475 O8 C12 N9 116.913
O8 C12 O13 119.772 N9 C12 O13 123.314
H10 N9 H11 114.852 H10 N9 C12 120.059
H11 N9 C12 112.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.336      
2 H 0.124      
3 H 0.122      
4 H 0.124      
5 C 0.016      
6 H 0.147      
7 H 0.124      
8 O -0.600      
9 N -0.681      
10 H 0.193      
11 H 0.188      
12 C 1.343      
13 O -0.763      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.574 4.293 -0.543 5.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.286 -6.016 0.918
y -6.016 -36.530 -1.285
z 0.918 -1.285 -36.588
Traceless
 xyz
x 0.273 -6.016 0.918
y -6.016 -0.093 -1.285
z 0.918 -1.285 -0.180
Polar
3z2-r2-0.360
x2-y20.244
xy-6.016
xz0.918
yz-1.285


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.674 0.226 -0.041
y 0.226 8.686 0.001
z -0.041 0.001 6.498


<r2> (average value of r2) Å2
<r2> 193.990
(<r2>)1/2 13.928