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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-319.345823
Energy at 298.15K-319.354155
Nuclear repulsion energy235.037160
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 BLYP/STO-3G
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 3543 3278 4.46      
2 A 3385 3132 1.41      
3 A 3377 3124 1.01      
4 A 3346 3096 6.68      
5 A 3265 3021 6.86      
6 A 3216 2976 0.85      
7 A 3150 2914 10.31      
8 A 1801 1666 78.79      
9 A 1734 1604 26.79      
10 A 1639 1517 2.25      
11 A 1626 1505 3.17      
12 A 1607 1487 4.82      
13 A 1517 1404 0.70      
14 A 1407 1302 26.69      
15 A 1313 1215 6.25      
16 A 1278 1183 94.61      
17 A 1171 1084 6.72      
18 A 1157 1071 5.65      
19 A 1101 1019 126.29      
20 A 1056 977 2.91      
21 A 964 892 5.79      
22 A 860 796 47.13      
23 A 843 780 52.55      
24 A 712 659 93.06      
25 A 552 511 38.27      
26 A 501 463 1.80      
27 A 481 445 1.25      
28 A 361 334 15.47      
29 A 330 305 25.71      
30 A 225 208 0.82      
31 A 196 181 0.09      
32 A 123 113 0.20      
33 A 83 76 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 23960.3 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 22168.1 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 BLYP/STO-3G
ABC
0.25612 0.06631 0.05436

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.638 -0.224 -0.127
H2 -2.860 -0.925 0.702
H3 -3.430 0.551 -0.161
H4 -2.647 -0.787 -1.081
C5 -1.243 0.457 0.092
H6 -1.000 1.158 -0.745
H7 -1.249 1.041 1.050
O8 -0.223 -0.654 0.162
N9 1.328 1.299 -0.165
H10 0.909 1.799 0.685
H11 2.382 1.456 -0.071
C12 1.155 -0.199 0.025
O13 2.092 -1.045 -0.058

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.10831.10911.10811.56792.23072.21752.47034.24854.16375.29413.79654.8010
H21.10831.80301.80192.21333.14592.56622.70624.82084.65115.80944.13675.0114
H31.10911.80301.80312.20402.57172.54303.44174.81634.59395.88294.65025.7490
H41.10811.80191.80312.21232.57053.13702.72774.58124.73835.59824.00334.8548
C51.56792.21332.20402.21231.11901.12241.50972.71722.60483.76362.48703.6602
H62.23073.14592.57172.57051.11901.81642.17072.40342.47033.46192.66123.8587
H72.21752.56622.54303.13701.12241.81642.17142.86032.31633.82242.89264.0911
O82.47032.70623.44172.72771.50972.17072.17142.51492.75153.35981.45762.3574
N94.24854.82084.81634.58122.71722.40342.86032.51491.07091.07011.51972.4680
H104.16374.65114.59394.73832.60482.47032.31632.75151.07091.69032.11803.1681
H115.29415.80945.88295.59823.76363.46193.82243.35981.07011.69032.06182.5175
C123.79654.13674.65024.00332.48702.66122.89261.45761.51972.11802.06181.2649
O134.80105.01145.74904.85483.66023.85874.09112.35742.46803.16812.51751.2649

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.143 C1 C5 H7 109.921
C1 C5 O8 106.761 H2 C1 H3 108.800
H2 C1 H4 108.774 H2 C1 C5 110.408
H3 C1 H4 108.825 H3 C1 C5 109.645
H4 C1 C5 110.350 C5 O8 C12 113.881
H6 C5 H7 108.268 H6 C5 O8 110.453
H7 C5 O8 110.303 O8 C12 N9 115.258
O8 C12 O13 119.804 N9 C12 O13 124.569
H10 N9 H11 104.276 H10 N9 C12 108.445
H11 N9 C12 104.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.214      
2 H 0.082      
3 H 0.079      
4 H 0.084      
5 C -0.048      
6 H 0.091      
7 H 0.068      
8 O -0.145      
9 N -0.352      
10 H 0.166      
11 H 0.174      
12 C 0.217      
13 O -0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.270 2.393 1.201 2.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.907 3.462 1.516
y 3.462 -34.079 2.351
z 1.516 2.351 -32.647
Traceless
 xyz
x 1.456 3.462 1.516
y 3.462 -1.802 2.351
z 1.516 2.351 0.347
Polar
3z2-r20.694
x2-y22.172
xy3.462
xz1.516
yz2.351


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.297 -0.274 -0.301
y -0.274 4.295 0.169
z -0.301 0.169 2.383


<r2> (average value of r2) Å2
<r2> 203.043
(<r2>)1/2 14.249